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HD63701_MCODE.i
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HD63701_MCODE.i
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/***************************************************************************
This file is part of "HD63701V0 Compatible Processor Core".
( DON'T ADD TO PROJECT, Because this file is include file. )
****************************************************************************/
`define MC_TRAP {`mcINT, `vaTRP ,`mcrn,`mcpI,`amPC,`pcI}
`define MC_HALT {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpH,`amPC,`pcN}
`define MC_NEXTI {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}
`define MC_NEXTP {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}
`define MC_LDBRO {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amPC,`pcI} // Bxx NN
`define MC_LDIXO {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amPC,`pcI} // ($NN+X)
`define MC_LDIXM {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcN} // ($nn+X) => rE
`define MC_LDEXH {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amPC,`pcI} // ($NNnn)
`define MC_LDEXL {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amPC,`pcI} // ($nnNN)
`define MC_LDEXM {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amE0,`pcN} // ($nnnn) => rT
function `mcwidth MCODE_S0;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h01: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpK,`amPC,`pcI}; // NOP
8'h04: MCODE_S0 = {`mcLSR,`mcrD,`mcrn,`mcrD,`mcpK,`amPC,`pcI}; // LSRD
8'h05: MCODE_S0 = {`mcASL,`mcrD,`mcrn,`mcrD,`mcpK,`amPC,`pcI}; // ASLD
8'h06: MCODE_S0 = {`mcLDN,`mcrA,`mcrn,`mcrC,`mcpK,`amPC,`pcI}; // TAP
8'h07: MCODE_S0 = {`mcLDN,`mcrC,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // TPA
8'h08: MCODE_S0 = {`mcINC,`mcrX,`mcrn,`mcrX,`mcpK,`amPC,`pcI}; // INX
8'h09: MCODE_S0 = {`mcDEC,`mcrX,`mcrn,`mcrX,`mcpK,`amPC,`pcI}; // DEX
8'h0A: MCODE_S0 = {`mcCCB, ~`bfV ,`mcrC,`mcpK,`amPC,`pcI}; // CLV
8'h0B: MCODE_S0 = {`mcSCB, `bfV ,`mcrC,`mcpK,`amPC,`pcI}; // SEV
8'h0C: MCODE_S0 = {`mcCCB, ~`bfC ,`mcrC,`mcpK,`amPC,`pcI}; // CLC
8'h0D: MCODE_S0 = {`mcSCB, `bfC ,`mcrC,`mcpK,`amPC,`pcI}; // SEC
8'h0E: MCODE_S0 = {`mcCCB, ~`bfI ,`mcrC,`mcpK,`amPC,`pcI}; // CLI
8'h0F: MCODE_S0 = {`mcSCB, `bfI ,`mcrC,`mcpK,`amPC,`pcI}; // SEI
//-----------------------------------------------------------------------------------------
8'h10: MCODE_S0 = {`mcSUB,`mcrA,`mcrB,`mcrA,`mcpK,`amPC,`pcI}; // SBA
8'h11: MCODE_S0 = {`mcSUB,`mcrA,`mcrB,`mcrn,`mcpK,`amPC,`pcI}; // CBA
8'h12: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amS1,`pcI}; // (undoc1)
8'h13: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amS1,`pcI}; // (undoc2)
8'h16: MCODE_S0 = {`mcLDR,`mcrA,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // TAB
8'h17: MCODE_S0 = {`mcLDR,`mcrB,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // TBA
8'h18: MCODE_S0 = {`mcXTD,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // XGDX
8'h19: MCODE_S0 = {`mcDAA,`mcrA,`mcrn,`mcrA,`mcp0,`amPC,`pcI}; // DAA
8'h1A: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpS,`amPC,`pcI}; // SLP
8'h1B: MCODE_S0 = {`mcADD,`mcrA,`mcrB,`mcrA,`mcpK,`amPC,`pcI}; // ABA
8'h1F: MCODE_S0 = `MC_HALT; // (DBGHLT)
//-----------------------------------------------------------------------------------------
8'h20: MCODE_S0 = `MC_NEXTP; // BRA
8'h21: MCODE_S0 = `MC_NEXTP; // BRN
8'h22: MCODE_S0 = `MC_NEXTP; // BHI
8'h23: MCODE_S0 = `MC_NEXTP; // BLS
8'h24: MCODE_S0 = `MC_NEXTP; // BCC
8'h25: MCODE_S0 = `MC_NEXTP; // BCS
8'h26: MCODE_S0 = `MC_NEXTP; // BNE
8'h27: MCODE_S0 = `MC_NEXTP; // BEQ
8'h28: MCODE_S0 = `MC_NEXTP; // BVC
8'h29: MCODE_S0 = `MC_NEXTP; // BVS
8'h2A: MCODE_S0 = `MC_NEXTP; // BPL
8'h2B: MCODE_S0 = `MC_NEXTP; // BMI
8'h2C: MCODE_S0 = `MC_NEXTP; // BGE
8'h2D: MCODE_S0 = `MC_NEXTP; // BLT
8'h2E: MCODE_S0 = `MC_NEXTP; // BGT
8'h2F: MCODE_S0 = `MC_NEXTP; // BLE
//-----------------------------------------------------------------------------------------
8'h30: MCODE_S0 = {`mcINC,`mcrS,`mcrn,`mcrX,`mcpK,`amPC,`pcI}; // TSX
8'h31: MCODE_S0 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcpK,`amPC,`pcI}; // INS
8'h32: MCODE_S0 = {`mcPUL,`mcrM,`mcrn,`mcrA,`mcpN,`amS1,`pcI}; // PULA
8'h33: MCODE_S0 = {`mcPUL,`mcrM,`mcrn,`mcrB,`mcpN,`amS1,`pcI}; // PULB
8'h34: MCODE_S0 = {`mcDEC,`mcrS,`mcrn,`mcrS,`mcpK,`amPC,`pcI}; // DES
8'h35: MCODE_S0 = {`mcDEC,`mcrX,`mcrn,`mcrS,`mcpK,`amPC,`pcI}; // TXS
8'h36: MCODE_S0 = {`mcPSH,`mcrA,`mcrn,`mcrM,`mcpN,`amSP,`pcI}; // PSHA
8'h37: MCODE_S0 = {`mcPSH,`mcrB,`mcrn,`mcrM,`mcpN,`amSP,`pcI}; // PSHB
8'h38: MCODE_S0 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcpN,`amPC,`pcI}; // PULX
8'h39: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // RTS
8'h3A: MCODE_S0 = {`mcADD,`mcrX,`mcrB,`mcrX,`mcpK,`amPC,`pcI}; // ABX
8'h3B: MCODE_S0 = {`mcPUL,`mcrM,`mcrn,`mcrT,`mcpN,`amS1,`pcN}; // RTI
8'h3C: MCODE_S0 = {`mcDEC,`mcrS,`mcrn,`mcrS,`mcpN,`amPC,`pcI}; // PSHX
8'h3D: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
8'h3E: MCODE_S0 = {`mcINT, `vaWAI ,`mcrn,`mcpI,`amPC,`pcI}; // WAI
8'h3F: MCODE_S0 = {`mcINT, `vaSWI ,`mcrn,`mcpI,`amPC,`pcI}; // SWI
//-----------------------------------------------------------------------------------------
8'h40: MCODE_S0 = {`mcNEG,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // NEGA
8'h43: MCODE_S0 = {`mcNOT,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // COMA
8'h44: MCODE_S0 = {`mcLSR,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // LSRA
8'h46: MCODE_S0 = {`mcROR,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // RORA
8'h47: MCODE_S0 = {`mcASR,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // ASRA
8'h48: MCODE_S0 = {`mcASL,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // ASLA
8'h49: MCODE_S0 = {`mcROL,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // ROLA
8'h4A: MCODE_S0 = {`mcDEC,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // DECA
8'h4C: MCODE_S0 = {`mcINC,`mcrA,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // INCA
8'h4D: MCODE_S0 = {`mcTST,`mcrA,`mcrn,`mcrn,`mcpK,`amPC,`pcI}; // TSTA
8'h4F: MCODE_S0 = {`mcLDR,`mcrn,`mcrn,`mcrA,`mcpK,`amPC,`pcI}; // CLRA
//-----------------------------------------------------------------------------------------
8'h50: MCODE_S0 = {`mcNEG,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // NEGB
8'h53: MCODE_S0 = {`mcNOT,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // COMB
8'h54: MCODE_S0 = {`mcLSR,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // LSRB
8'h56: MCODE_S0 = {`mcROR,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // RORB
8'h57: MCODE_S0 = {`mcASR,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // ASRB
8'h58: MCODE_S0 = {`mcASL,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // ASLB
8'h59: MCODE_S0 = {`mcROL,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // ROLB
8'h5A: MCODE_S0 = {`mcDEC,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // DECB
8'h5C: MCODE_S0 = {`mcINC,`mcrB,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // INCB
8'h5D: MCODE_S0 = {`mcTST,`mcrB,`mcrn,`mcrn,`mcpK,`amPC,`pcI}; // TSTB
8'h5F: MCODE_S0 = {`mcLDR,`mcrn,`mcrn,`mcrB,`mcpK,`amPC,`pcI}; // CLRB
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S0 = `MC_NEXTP; // NEG($nn+X)
8'h61: MCODE_S0 = `MC_NEXTP; // AIM#,($nn+X)
8'h62: MCODE_S0 = `MC_NEXTP; // OIM#,($nn+X)
8'h63: MCODE_S0 = `MC_NEXTP; // COM($nn+X)
8'h64: MCODE_S0 = `MC_NEXTP; // LSR($nn+X)
8'h65: MCODE_S0 = `MC_NEXTP; // EIM#,($nn+X)
8'h66: MCODE_S0 = `MC_NEXTP; // ROR($nn+X)
8'h67: MCODE_S0 = `MC_NEXTP; // ASR($nn+X)
8'h68: MCODE_S0 = `MC_NEXTP; // ASL($nn+X)
8'h69: MCODE_S0 = `MC_NEXTP; // ROL($nn+X)
8'h6A: MCODE_S0 = `MC_NEXTP; // DEC($nn+X)
8'h6B: MCODE_S0 = `MC_NEXTP; // TIM#,($nn+X)
8'h6C: MCODE_S0 = `MC_NEXTP; // INC($nn+X)
8'h6D: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // TST($nn+X)
8'h6E: MCODE_S0 = `MC_NEXTP; // JMP.$nn+X
8'h6F: MCODE_S0 = `MC_NEXTP; // CLR($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S0 = `MC_NEXTP; // NEG($nnnn)
8'h71: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // AIM#,($nn)
8'h72: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // OIM#,($nn)
8'h73: MCODE_S0 = `MC_NEXTP; // COM($nnnn)
8'h74: MCODE_S0 = `MC_NEXTP; // LSR($nnnn)
8'h75: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // EIM#,($nnnn)
8'h76: MCODE_S0 = `MC_NEXTP; // ROR($nnnn)
8'h77: MCODE_S0 = `MC_NEXTP; // ASR($nnnn)
8'h78: MCODE_S0 = `MC_NEXTP; // ASL($nnnn)
8'h79: MCODE_S0 = `MC_NEXTP; // ROL($nnnn)
8'h7A: MCODE_S0 = `MC_NEXTP; // DEC($nnnn)
8'h7B: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // TIM#,($nn)
8'h7C: MCODE_S0 = `MC_NEXTP; // INC($nnnn)
8'h7D: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // TST($nnnn)
8'h7E: MCODE_S0 = `MC_NEXTP; // JMP.$nnnn
8'h7F: MCODE_S0 = `MC_NEXTP; // CLR($nnnn)
//-----------------------------------------------------------------------------------------
8'h80: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // SUBA#
8'h81: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // CMPA#
8'h82: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // SBCA#
8'h83: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // SUBD#
8'h84: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ANDA#
8'h85: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // BITA#
8'h86: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // LDA#
8'h88: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // EORA#
8'h89: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ADCA#
8'h8A: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ORA#
8'h8B: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ADDA#
8'h8C: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // CMPX#
8'h8D: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // BSR
8'h8E: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // LDS#
//-----------------------------------------------------------------------------------------
8'h90: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBA($nn)
8'h91: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPA($nn)
8'h92: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SBCA($nn)
8'h93: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBD($nn)
8'h94: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ANDA($nn)
8'h95: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // BITA($nn)
8'h96: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDA($nn)
8'h97: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STA($nn)
8'h98: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // EORA($nn)
8'h99: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADCA($nn)
8'h9A: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ORA($nn)
8'h9B: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDA($nn)
8'h9C: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPX($nn)
8'h9D: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // JSR($nn)
8'h9E: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDS($nn)
8'h9F: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STS($nn)
//-----------------------------------------------------------------------------------------
8'hA0: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // SUBA($nn+X)
8'hA1: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // CMPA($nn+X)
8'hA2: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // SBCA($nn+X)
8'hA3: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // SUBD($nn+X)
8'hA4: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ANDA($nn+X)
8'hA5: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // BITA($nn+X)
8'hA6: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // LDA($nn+X)
8'hA7: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // STA($nn+X)
8'hA8: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // EORA($nn+X)
8'hA9: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ADCA($nn+X)
8'hAA: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ORA($nn+X)
8'hAB: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ADDA($nn+X)
8'hAC: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // CMPX($nn+X)
8'hAD: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // JSR.$nn+X
8'hAE: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // LDS($nn+X)
8'hAF: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // STS($nn+X)
//-----------------------------------------------------------------------------------------
8'hB0: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBA($nnnn)
8'hB1: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPA($nnnn)
8'hB2: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SBCA($nnnn)
8'hB3: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBD($nnnn)
8'hB4: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ANDA($nnnn)
8'hB5: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // BITA($nnnn)
8'hB6: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDA($nnnn)
8'hB7: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STA($nnnn)
8'hB8: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // EORA($nnnn)
8'hB9: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADCA($nnnn)
8'hBA: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ORA($nnnn)
8'hBB: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDA($nnnn)
8'hBC: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPX($nnnn)
8'hBD: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // JSR.$nnnn
8'hBE: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDS($nnnn)
8'hBF: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STS($nnnn)
//-----------------------------------------------------------------------------------------
8'hC0: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // SUBB#
8'hC1: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // CMPB#
8'hC2: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // SBCB#
8'hC3: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // ADDD#
8'hC4: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ANDB#
8'hC5: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // BITB#
8'hC6: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // LDB#
8'hC8: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // EORB#
8'hC9: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ADCB#
8'hCA: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ORB#
8'hCB: MCODE_S0 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // ADDB#
8'hCC: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // LDD#
8'hCE: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amP1,`pcI}; // LDX#
//-----------------------------------------------------------------------------------------
8'hD0: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBB($nn)
8'hD1: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPB($nn)
8'hD2: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SBCB($nn)
8'hD3: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDD($nn)
8'hD4: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ANDB($nn)
8'hD5: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // BITB($nn)
8'hD6: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDB($nn)
8'hD7: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STB($nn)
8'hD8: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // EORB($nn)
8'hD9: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADCB($nn)
8'hDA: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ORB($nn)
8'hDB: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDB($nn)
8'hDC: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDD($nn)
8'hDD: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STD($nn)
8'hDE: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDX($nn)
8'hDF: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STX($nn)
//-----------------------------------------------------------------------------------------
8'hE0: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // SUBB($nn+X)
8'hE1: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // CMPB($nn+X)
8'hE2: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // SBCB($nn+X)
8'hE3: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ADDD($nn+X)
8'hE4: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ANDB($nn+X)
8'hE5: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // BITB($nn+X)
8'hE6: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // LDB($nn+X)
8'hE7: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // STB($nn+X)
8'hE8: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // EORB($nn+X)
8'hE9: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ADCB($nn+X)
8'hEA: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ORB($nn+X)
8'hEB: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // ADDB($nn+X)
8'hEC: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // LDD($nn+X)
8'hED: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // STD($nn+X)
8'hEE: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // LDX($nn+X)
8'hEF: MCODE_S0 = {`mcLDN,`mcrM,`mcrn,`mcrT,`mcpN,`amP1,`pcI}; // STX($nn+X)
//-----------------------------------------------------------------------------------------
8'hF0: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SUBB($nnnn)
8'hF1: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // CMPB($nnnn)
8'hF2: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // SBCB($nnnn)
8'hF3: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDD($nnnn)
8'hF4: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ANDB($nnnn)
8'hF5: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // BITB($nnnn)
8'hF6: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDB($nnnn)
8'hF7: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STB($nnnn)
8'hF8: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // EORB($nnnn)
8'hF9: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADCB($nnnn)
8'hFA: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ORB($nnnn)
8'hFB: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // ADDB($nnnn)
8'hFC: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDD($nnnn)
8'hFD: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STD($nnnn)
8'hFE: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // LDX($nnnn)
8'hFF: MCODE_S0 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // STX($nnnn)
//-----------------------------------------------------------------------------------------
default: MCODE_S0 = `MC_TRAP;
endcase
end
endfunction
function `mcwidth MCODE_S1;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h12: MCODE_S1 = {`mcADD,`mcrX,`mcrT,`mcrX,`mcp0,`amPC,`pcN}; // (undoc1)
8'h13: MCODE_S1 = {`mcADD,`mcrX,`mcrT,`mcrX,`mcp0,`amPC,`pcN}; // (undoc2)
8'h18: MCODE_S1 = {`mcLDN,`mcrT,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // XGDX
//-----------------------------------------------------------------------------------------
8'h20: MCODE_S1 = `MC_LDBRO; // BRA
8'h21: MCODE_S1 = `MC_LDBRO; // BRN
8'h22: MCODE_S1 = `MC_LDBRO; // BHI
8'h23: MCODE_S1 = `MC_LDBRO; // BLS
8'h24: MCODE_S1 = `MC_LDBRO; // BCC
8'h25: MCODE_S1 = `MC_LDBRO; // BCS
8'h26: MCODE_S1 = `MC_LDBRO; // BNE
8'h27: MCODE_S1 = `MC_LDBRO; // BEQ
8'h28: MCODE_S1 = `MC_LDBRO; // BVC
8'h29: MCODE_S1 = `MC_LDBRO; // BVS
8'h2A: MCODE_S1 = `MC_LDBRO; // BPL
8'h2B: MCODE_S1 = `MC_LDBRO; // BMI
8'h2C: MCODE_S1 = `MC_LDBRO; // BGE
8'h2D: MCODE_S1 = `MC_LDBRO; // BLT
8'h2E: MCODE_S1 = `MC_LDBRO; // BGT
8'h2F: MCODE_S1 = `MC_LDBRO; // BLE
//-----------------------------------------------------------------------------------------
8'h32: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PULA
8'h33: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PULB
8'h36: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PSHA
8'h37: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PSHB
8'h38: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrX,`mcpN,`amSP,`pcN}; // PULX
8'h39: MCODE_S1 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcpN,`amPC,`pcN}; // RTS
8'h3B: MCODE_S1 = {`mcPUL,`mcrM,`mcrn,`mcrB,`mcpN,`amS1,`pcN}; // RTI
8'h3C: MCODE_S1 = {`mcLDN,`mcrX,`mcrn,`mcrM,`mcpN,`amS1,`pcN}; // PSHX
8'h3D: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S1 = `MC_LDIXO; // NEG($nn+X)
8'h61: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // AIM#,($nn+X)
8'h62: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // OIM#,($nn+X)
8'h63: MCODE_S1 = `MC_LDIXO; // COM($nn+X)
8'h64: MCODE_S1 = `MC_LDIXO; // LSR($nn+X)
8'h65: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // EIM#,($nn+X)
8'h66: MCODE_S1 = `MC_LDIXO; // ROR($nn+X)
8'h67: MCODE_S1 = `MC_LDIXO; // ASR($nn+X)
8'h68: MCODE_S1 = `MC_LDIXO; // ASL($nn+X)
8'h69: MCODE_S1 = `MC_LDIXO; // ROL($nn+X)
8'h6A: MCODE_S1 = `MC_LDIXO; // DEC($nn+X)
8'h6B: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // TIM#,($nn+X)
8'h6C: MCODE_S1 = `MC_LDIXO; // INC($nn+X)
8'h6D: MCODE_S1 = {`mcTST,`mcrM,`mcrn,`mcrn,`mcpN,`amXT,`pcI}; // TST($nn+X)
8'h6E: MCODE_S1 = `MC_LDIXO; // JMP.$nn+X
8'h6F: MCODE_S1 = `MC_LDIXO; // CLR($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S1 = `MC_LDEXH; // NEG($nnnn)
8'h71: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // AIM#,($nn)
8'h72: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // OIM#,($nn)
8'h73: MCODE_S1 = `MC_LDEXH; // COM($nnnn)
8'h74: MCODE_S1 = `MC_LDEXH; // LSR($nnnn)
8'h75: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // EIM#,($nnnn)
8'h76: MCODE_S1 = `MC_LDEXH; // ROR($nnnn)
8'h77: MCODE_S1 = `MC_LDEXH; // ASR($nnnn)
8'h78: MCODE_S1 = `MC_LDEXH; // ASL($nnnn)
8'h79: MCODE_S1 = `MC_LDEXH; // ROL($nnnn)
8'h7A: MCODE_S1 = `MC_LDEXH; // DEC($nnnn)
8'h7B: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amP1,`pcI}; // TIM#,($nn)
8'h7C: MCODE_S1 = `MC_LDEXH; // INC($nnnn)
8'h7D: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // TST($nnnn)
8'h7E: MCODE_S1 = `MC_LDEXH; // JMP.$nnnn
8'h7F: MCODE_S1 = `MC_LDEXH; // CLR($nnnn)
//-----------------------------------------------------------------------------------------
8'h80: MCODE_S1 = {`mcSUB,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // SUBA#
8'h81: MCODE_S1 = {`mcSUB,`mcrA,`mcrM,`mcrn,`mcp0,`amPC,`pcI}; // CMPA#
8'h82: MCODE_S1 = {`mcSBC,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // SBCA#
8'h83: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // SUBD#
8'h84: MCODE_S1 = {`mcAND,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // ANDA#
8'h85: MCODE_S1 = {`mcAND,`mcrA,`mcrM,`mcrn,`mcp0,`amPC,`pcI}; // BITA#
8'h86: MCODE_S1 = {`mcLDR,`mcrM,`mcrn,`mcrA,`mcp0,`amPC,`pcI}; // LDA#
8'h88: MCODE_S1 = {`mcEOR,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // EORA#
8'h89: MCODE_S1 = {`mcADC,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // ADCA#
8'h8A: MCODE_S1 = {`mcLOR,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // ORA#
8'h8B: MCODE_S1 = {`mcADD,`mcrA,`mcrM,`mcrA,`mcp0,`amPC,`pcI}; // ADDA#
8'h8C: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // CMPX#
8'h8D: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // BSR
8'h8E: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // LDS#
//-----------------------------------------------------------------------------------------
8'h90: MCODE_S1 = {`mcSUB,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // SUBA($nn)
8'h91: MCODE_S1 = {`mcSUB,`mcrA,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // CMPA($nn)
8'h92: MCODE_S1 = {`mcSBC,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // SBCA($nn)
8'h93: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // SUBD($nn)
8'h94: MCODE_S1 = {`mcAND,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ANDA($nn)
8'h95: MCODE_S1 = {`mcAND,`mcrA,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // BITA($nn)
8'h96: MCODE_S1 = {`mcLDR,`mcrM,`mcrn,`mcrA,`mcpN,`amE0,`pcI}; // LDA($nn)
8'h97: MCODE_S1 = {`mcLDR,`mcrA,`mcrn,`mcrM,`mcpN,`amE0,`pcI}; // STA($nn)
8'h98: MCODE_S1 = {`mcEOR,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // EORA($nn)
8'h99: MCODE_S1 = {`mcADC,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ADCA($nn)
8'h9A: MCODE_S1 = {`mcLOR,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ORA($nn)
8'h9B: MCODE_S1 = {`mcADD,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ADDA($nn)
8'h9C: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrT,`mcpN,`amE0,`pcI}; // CMPX($nn)
8'h9D: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // JSR($nn)
8'h9E: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // LDS($nn)
8'h9F: MCODE_S1 = {`mcLDN,`mcrS,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STS($nn)
//-----------------------------------------------------------------------------------------
8'hA0: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // SUBA($nn+X)
8'hA1: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // CMPA($nn+X)
8'hA2: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // SBCA($nn+X)
8'hA3: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // SUBD($nn+X)
8'hA4: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ANDA($nn+X)
8'hA5: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // BITA($nn+X)
8'hA6: MCODE_S1 = {`mcLDR,`mcrM,`mcrn,`mcrA,`mcpN,`amXT,`pcI}; // LDA($nn+X)
8'hA7: MCODE_S1 = {`mcLDR,`mcrA,`mcrn,`mcrM,`mcpN,`amXT,`pcI}; // STA($nn+X)
8'hA8: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // EORA($nn+X)
8'hA9: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ADCA($nn+X)
8'hAA: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ORA($nn+X)
8'hAB: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ADDA($nn+X)
8'hAC: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // CMPX($nn+X)
8'hAD: MCODE_S1 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcI}; // JSR.$nn+X
8'hAE: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // LDS($nn+X)
8'hAF: MCODE_S1 = {`mcLDN,`mcrS,`mcrn,`mcrN,`mcpN,`amXT,`pcI}; // STS($nn+X)
//-----------------------------------------------------------------------------------------
8'hB0: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // SUBA($nnnn)
8'hB1: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // CMPA($nnnn)
8'hB2: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // SBCA($nnnn)
8'hB3: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // SUBD($nnnn)
8'hB4: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ANDA($nnnn)
8'hB5: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // BITA($nnnn)
8'hB6: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // LDA($nnnn)
8'hB7: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // STA($nnnn)
8'hB8: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // EORA($nnnn)
8'hB9: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ADCA($nnnn)
8'hBA: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ORA($nnnn)
8'hBB: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ADDA($nnnn)
8'hBC: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // CMPX($nnnn)
8'hBD: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amPC,`pcI}; // JSR.$nnnn
8'hBE: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // LDS($nnnn)
8'hBF: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // STS($nnnn)
//-----------------------------------------------------------------------------------------
8'hC0: MCODE_S1 = {`mcSUB,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // SUBB#
8'hC1: MCODE_S1 = {`mcSUB,`mcrB,`mcrM,`mcrn,`mcp0,`amPC,`pcI}; // CMPB#
8'hC2: MCODE_S1 = {`mcSBC,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // SBCB#
8'hC3: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // ADDD#
8'hC4: MCODE_S1 = {`mcAND,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // ANDB#
8'hC5: MCODE_S1 = {`mcAND,`mcrB,`mcrM,`mcrn,`mcp0,`amPC,`pcI}; // BITB#
8'hC6: MCODE_S1 = {`mcLDR,`mcrM,`mcrn,`mcrB,`mcp0,`amPC,`pcI}; // LDB#
8'hC8: MCODE_S1 = {`mcEOR,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // EORB#
8'hC9: MCODE_S1 = {`mcADC,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // ADCB#
8'hCA: MCODE_S1 = {`mcLOR,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // ORB#
8'hCB: MCODE_S1 = {`mcADD,`mcrB,`mcrM,`mcrB,`mcp0,`amPC,`pcI}; // ADDB#
8'hCC: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // LDD#
8'hCE: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amP1,`pcI}; // LDX#
//-----------------------------------------------------------------------------------------
8'hD0: MCODE_S1 = {`mcSUB,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // SUBB($nn)
8'hD1: MCODE_S1 = {`mcSUB,`mcrB,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // CMPB($nn)
8'hD2: MCODE_S1 = {`mcSBC,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // SBCB($nn)
8'hD3: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // ADDD($nn)
8'hD4: MCODE_S1 = {`mcAND,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ANDB($nn)
8'hD5: MCODE_S1 = {`mcAND,`mcrB,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // BITB($nn)
8'hD6: MCODE_S1 = {`mcLDR,`mcrM,`mcrn,`mcrB,`mcpN,`amE0,`pcI}; // LDB($nn)
8'hD7: MCODE_S1 = {`mcLDR,`mcrB,`mcrn,`mcrM,`mcpN,`amE0,`pcI}; // STB($nn)
8'hD8: MCODE_S1 = {`mcEOR,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // EORB($nn)
8'hD9: MCODE_S1 = {`mcADC,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ADCB($nn)
8'hDA: MCODE_S1 = {`mcLOR,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ORB($nn)
8'hDB: MCODE_S1 = {`mcADD,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ADDB($nn)
8'hDC: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrD,`mcpN,`amE0,`pcI}; // LDD($nn)
8'hDD: MCODE_S1 = {`mcLDN,`mcrD,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STD($nn)
8'hDE: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrX,`mcpN,`amE0,`pcI}; // LDX($nn)
8'hDF: MCODE_S1 = {`mcLDN,`mcrX,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STX($nn)
//-----------------------------------------------------------------------------------------
8'hE0: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // SUBB($nn+X)
8'hE1: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // CMPB($nn+X)
8'hE2: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // SBCB($nn+X)
8'hE3: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ADDD($nn+X)
8'hE4: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ANDB($nn+X)
8'hE5: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // BITB($nn+X)
8'hE6: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // LDB($nn+X)
8'hE7: MCODE_S1 = {`mcLDN,`mcrB,`mcrn,`mcrM,`mcpN,`amXT,`pcI}; // STB($nn+X)
8'hE8: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // EORB($nn+X)
8'hE9: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ADCB($nn+X)
8'hEA: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ORB($nn+X)
8'hEB: MCODE_S1 = {`mcLDN,`mcrM,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // ADDB($nn+X)
8'hEC: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // LDD($nn+X)
8'hED: MCODE_S1 = {`mcLDN,`mcrD,`mcrn,`mcrN,`mcpN,`amXT,`pcI}; // STD($nn+X)
8'hEE: MCODE_S1 = {`mcLDN,`mcrN,`mcrn,`mcrE,`mcpN,`amXT,`pcI}; // LDX($nn+X)
8'hEF: MCODE_S1 = {`mcLDN,`mcrX,`mcrn,`mcrN,`mcpN,`amXT,`pcI}; // STX($nn+X)
//-----------------------------------------------------------------------------------------
8'hF0: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // SUBB($nnnn)
8'hF1: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // CMPB($nnnn)
8'hF2: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // SBCB($nnnn)
8'hF3: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ADDD($nnnn)
8'hF4: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ANDB($nnnn)
8'hF5: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // BITB($nnnn)
8'hF6: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // LDB($nnnn)
8'hF7: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // STB($nnnn)
8'hF8: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // EORB($nnnn)
8'hF9: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ADCB($nnnn)
8'hFA: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ORB($nnnn)
8'hFB: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // ADDB($nnnn)
8'hFC: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // LDD($nnnn)
8'hFD: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // STD($nnnn)
8'hFE: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // LDX($nnnn)
8'hFF: MCODE_S1 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // STX($nnnn)
//-----------------------------------------------------------------------------------------
default: MCODE_S1 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S2;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h20: MCODE_S2 = {`mcAPC, `bfRA ,`mcrn,`mcp0,`amPC,`pcN}; // BRA
8'h21: MCODE_S2 = {`mcAPC, `bfRN ,`mcrn,`mcp0,`amPC,`pcN}; // BRN
8'h22: MCODE_S2 = {`mcAPC, `bfHI ,`mcrn,`mcp0,`amPC,`pcN}; // BHI
8'h23: MCODE_S2 = {`mcAPC, `bfLS ,`mcrn,`mcp0,`amPC,`pcN}; // BLS
8'h24: MCODE_S2 = {`mcAPC, `bfCC ,`mcrn,`mcp0,`amPC,`pcN}; // BCC
8'h25: MCODE_S2 = {`mcAPC, `bfCS ,`mcrn,`mcp0,`amPC,`pcN}; // BCS
8'h26: MCODE_S2 = {`mcAPC, `bfNE ,`mcrn,`mcp0,`amPC,`pcN}; // BNE
8'h27: MCODE_S2 = {`mcAPC, `bfEQ ,`mcrn,`mcp0,`amPC,`pcN}; // BEQ
8'h28: MCODE_S2 = {`mcAPC, `bfVC ,`mcrn,`mcp0,`amPC,`pcN}; // BVC
8'h29: MCODE_S2 = {`mcAPC, `bfVS ,`mcrn,`mcp0,`amPC,`pcN}; // BVS
8'h2A: MCODE_S2 = {`mcAPC, `bfPL ,`mcrn,`mcp0,`amPC,`pcN}; // BPL
8'h2B: MCODE_S2 = {`mcAPC, `bfMI ,`mcrn,`mcp0,`amPC,`pcN}; // BMI
8'h2C: MCODE_S2 = {`mcAPC, `bfGE ,`mcrn,`mcp0,`amPC,`pcN}; // BGE
8'h2D: MCODE_S2 = {`mcAPC, `bfLT ,`mcrn,`mcp0,`amPC,`pcN}; // BLT
8'h2E: MCODE_S2 = {`mcAPC, `bfGT ,`mcrn,`mcp0,`amPC,`pcN}; // BGT
8'h2F: MCODE_S2 = {`mcAPC, `bfLE ,`mcrn,`mcp0,`amPC,`pcN}; // BLE
//-----------------------------------------------------------------------------------------
8'h32: MCODE_S2 = `MC_NEXTI; // PULA
8'h33: MCODE_S2 = `MC_NEXTI; // PULB
8'h36: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PSHA
8'h37: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // PSHB
8'h38: MCODE_S2 = {`mcLOR,`mcrX,`mcrM,`mcrX,`mcpN,`amS1,`pcN}; // PULX
8'h39: MCODE_S2 = {`mcLDN,`mcrN,`mcrn,`mcrP,`mcpN,`amSP,`pcN}; // RTS
8'h3B: MCODE_S2 = {`mcPUL,`mcrM,`mcrn,`mcrA,`mcpN,`amS1,`pcN}; // RTI
8'h3C: MCODE_S2 = {`mcLDN,`mcrX,`mcrn,`mcrN,`mcpN,`amSP,`pcN}; // PSHX
8'h3D: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S2 = `MC_LDIXM; // NEG($nn+X)
8'h61: MCODE_S2 = `MC_LDIXO; // AIM#,($nn+X)
8'h62: MCODE_S2 = `MC_LDIXO; // OIM#,($nn+X)
8'h63: MCODE_S2 = `MC_LDIXM; // COM($nn+X)
8'h64: MCODE_S2 = `MC_LDIXM; // LSR($nn+X)
8'h65: MCODE_S2 = `MC_LDIXO; // EIM#,($nn+X)
8'h66: MCODE_S2 = `MC_LDIXM; // ROR($nn+X)
8'h67: MCODE_S2 = `MC_LDIXM; // ASR($nn+X)
8'h68: MCODE_S2 = `MC_LDIXM; // ASL($nn+X)
8'h69: MCODE_S2 = `MC_LDIXM; // ROL($nn+X)
8'h6A: MCODE_S2 = `MC_LDIXM; // DEC($nn+X)
8'h6B: MCODE_S2 = `MC_LDIXO; // TIM#,($nn+X)
8'h6C: MCODE_S2 = `MC_LDIXM; // INC($nn+X)
8'h6D: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // TST($nn+X)
8'h6E: MCODE_S2 = {`mcADD,`mcrX,`mcrT,`mcrP,`mcp0,`amPC,`pcN}; // JMP.$nn+X
8'h6F: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amXT,`pcN}; // CLR($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S2 = `MC_LDEXL; // NEG($nnnn)
8'h71: MCODE_S2 = {`mcAND,`mcrT,`mcrM,`mcrT,`mcpN,`amE0,`pcI}; // AIM#,($nn)
8'h72: MCODE_S2 = {`mcLOR,`mcrT,`mcrM,`mcrT,`mcpN,`amE0,`pcI}; // OIM#,($nn)
8'h73: MCODE_S2 = `MC_LDEXL; // COM($nnnn)
8'h74: MCODE_S2 = `MC_LDEXL; // LSR($nnnn)
8'h75: MCODE_S2 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amP1,`pcI}; // EIM#,($nnnn)
8'h76: MCODE_S2 = `MC_LDEXL; // ROR($nnnn)
8'h77: MCODE_S2 = `MC_LDEXL; // ASR($nnnn)
8'h78: MCODE_S2 = `MC_LDEXL; // ASL($nnnn)
8'h79: MCODE_S2 = `MC_LDEXL; // ROL($nnnn)
8'h7A: MCODE_S2 = `MC_LDEXL; // DEC($nnnn)
8'h7B: MCODE_S2 = {`mcAND,`mcrT,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // TIM#,($nn)
8'h7C: MCODE_S2 = `MC_LDEXL; // INC($nnnn)
8'h7D: MCODE_S2 = {`mcTST,`mcrM,`mcrn,`mcrn,`mcpN,`amE0,`pcI}; // TST($nnnn)
8'h7E: MCODE_S2 = {`mcLOR,`mcrM,`mcrE,`mcrP,`mcp0,`amPC,`pcN}; // JMP.$nnnn
8'h7F: MCODE_S2 = `MC_LDEXL; // CLR($nnnn)
//-----------------------------------------------------------------------------------------
8'h83: MCODE_S2 = {`mcSUB,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcI}; // SUBD#
8'h8C: MCODE_S2 = {`mcSUB,`mcrX,`mcrT,`mcrn,`mcp0,`amPC,`pcI}; // CMPX#
8'h8D: MCODE_S2 = {`mcPSH,`mcrP,`mcrn,`mcrM,`mcpN,`amSP,`pcN}; // BSR
8'h8E: MCODE_S2 = {`mcLDR,`mcrT,`mcrn,`mcrS,`mcp0,`amPC,`pcI}; // LDS#
//-----------------------------------------------------------------------------------------
8'h90: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SUBA($nn)
8'h91: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // CMPA($nn)
8'h92: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SBCA($nn)
8'h93: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // SUBD($nn)
8'h94: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ANDA($nn)
8'h95: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // BITA($nn)
8'h96: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // LDA($nn)
8'h97: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STA($nn)
8'h98: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // EORA($nn)
8'h99: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADCA($nn)
8'h9A: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ORA($nn)
8'h9B: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADDA($nn)
8'h9C: MCODE_S2 = {`mcLOR,`mcrM,`mcrT,`mcrT,`mcpN,`amE1,`pcN}; // CMPX($nn)
8'h9D: MCODE_S2 = {`mcPSH,`mcrP,`mcrn,`mcrM,`mcpN,`amSP,`pcN}; // JSR($nn)
8'h9E: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // LDS($nn)
8'h9F: MCODE_S2 = {`mcLDN,`mcrS,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STS($nn)
//-----------------------------------------------------------------------------------------
8'hA0: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // SUBA($nn+X)
8'hA1: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // CMPA($nn+X)
8'hA2: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // SBCA($nn+X)
8'hA3: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // SUBD($nn+X)
8'hA4: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ANDA($nn+X)
8'hA5: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // BITA($nn+X)
8'hA6: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // LDA($nn+X)
8'hA7: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // STA($nn+X)
8'hA8: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // EORA($nn+X)
8'hA9: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ADCA($nn+X)
8'hAA: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ORA($nn+X)
8'hAB: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ADDA($nn+X)
8'hAC: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // CMPX($nn+X)
8'hAD: MCODE_S2 = {`mcPSH,`mcrP,`mcrn,`mcrM,`mcpN,`amSP,`pcN}; // JSR.$nn+X
8'hAE: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // LDS($nn+X)
8'hAF: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // STS($nn+X)
//-----------------------------------------------------------------------------------------
8'hB0: MCODE_S2 = {`mcSUB,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // SUBA($nnnn)
8'hB1: MCODE_S2 = {`mcSUB,`mcrA,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // CMPA($nnnn)
8'hB2: MCODE_S2 = {`mcSBC,`mcrA,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // SBCA($nnnn)
8'hB3: MCODE_S2 = {`mcLDN,`mcrN,`mcrn,`mcrT,`mcpN,`amE0,`pcI}; // SUBD($nnnn)
8'hB4: MCODE_S2 = {`mcAND,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ANDA($nnnn)
8'hB5: MCODE_S2 = {`mcAND,`mcrA,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // BITA($nnnn)
8'hB6: MCODE_S2 = {`mcLDR,`mcrM,`mcrn,`mcrA,`mcpN,`amE0,`pcI}; // LDA($nnnn)
8'hB7: MCODE_S2 = {`mcLDR,`mcrA,`mcrn,`mcrM,`mcpN,`amE0,`pcI}; // STA($nnnn)
8'hB8: MCODE_S2 = {`mcEOR,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // EORA($nnnn)
8'hB9: MCODE_S2 = {`mcADC,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ADCA($nnnn)
8'hBA: MCODE_S2 = {`mcLOR,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ORA($nnnn)
8'hBB: MCODE_S2 = {`mcADD,`mcrA,`mcrM,`mcrA,`mcpN,`amE0,`pcI}; // ADDA($nnnn)
8'hBC: MCODE_S2 = {`mcLDN,`mcrN,`mcrn,`mcrT,`mcpN,`amE0,`pcI}; // CMPX($nnnn)
8'hBD: MCODE_S2 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amPC,`pcI}; // JSR.$nnnn
8'hBE: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // LDS($nnnn)
8'hBF: MCODE_S2 = {`mcLDN,`mcrS,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STS($nnnn)
//-----------------------------------------------------------------------------------------
8'hC3: MCODE_S2 = {`mcADD,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcI}; // ADDD#
8'hCC: MCODE_S2 = {`mcLDR,`mcrT,`mcrn,`mcrD,`mcp0,`amPC,`pcI}; // LDD#
8'hCE: MCODE_S2 = {`mcLDR,`mcrT,`mcrn,`mcrX,`mcp0,`amPC,`pcI}; // LDX#
//-----------------------------------------------------------------------------------------
8'hD0: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SUBB($nn)
8'hD1: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // CMPB($nn)
8'hD2: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SBCB($nn)
8'hD3: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // ADDD($nn)
8'hD4: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ANDB($nn)
8'hD5: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // BITB($nn)
8'hD6: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // LDB($nn)
8'hD7: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STB($nn)
8'hD8: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // EORB($nn)
8'hD9: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADCB($nn)
8'hDA: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ORB($nn)
8'hDB: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADDB($nn)
8'hDC: MCODE_S2 = {`mcLOR,`mcrM,`mcrD,`mcrD,`mcpN,`amE1,`pcN}; // LDD($nn)
8'hDD: MCODE_S2 = {`mcLDN,`mcrD,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STD($nn)
8'hDE: MCODE_S2 = {`mcLOR,`mcrM,`mcrX,`mcrX,`mcpN,`amE1,`pcN}; // LDX($nn)
8'hDF: MCODE_S2 = {`mcLDN,`mcrX,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STX($nn)
//-----------------------------------------------------------------------------------------
8'hE0: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // SUBB($nn+X)
8'hE1: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // CMPB($nn+X)
8'hE2: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // SBCB($nn+X)
8'hE3: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // ADDD($nn+X)
8'hE4: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ANDB($nn+X)
8'hE5: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // BITB($nn+X)
8'hE6: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // LDB($nn+X)
8'hE7: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // STB($nn+X)
8'hE8: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // EORB($nn+X)
8'hE9: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ADCB($nn+X)
8'hEA: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ORB($nn+X)
8'hEB: MCODE_S2 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ADDB($nn+X)
8'hEC: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // LDD($nn+X)
8'hED: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // STD($nn+X)
8'hEE: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // LDX($nn+X)
8'hEF: MCODE_S2 = {`mcINC,`mcrT,`mcrn,`mcrT,`mcpN,`amXT,`pcN}; // STX($nn+X)
//-----------------------------------------------------------------------------------------
8'hF0: MCODE_S2 = {`mcSUB,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // SUBB($nnnn)
8'hF1: MCODE_S2 = {`mcSUB,`mcrB,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // CMPB($nnnn)
8'hF2: MCODE_S2 = {`mcSBC,`mcrB,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // SBCB($nnnn)
8'hF3: MCODE_S2 = {`mcLDN,`mcrN,`mcrn,`mcrT,`mcpN,`amE0,`pcI}; // ADDD($nnnn)
8'hF4: MCODE_S2 = {`mcAND,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ANDB($nnnn)
8'hF5: MCODE_S2 = {`mcAND,`mcrB,`mcrM,`mcrn,`mcpN,`amE0,`pcI}; // BITB($nnnn)
8'hF6: MCODE_S2 = {`mcLDR,`mcrM,`mcrn,`mcrB,`mcpN,`amE0,`pcI}; // LDB($nnnn)
8'hF7: MCODE_S2 = {`mcLDR,`mcrB,`mcrn,`mcrM,`mcpN,`amE0,`pcI}; // STB($nnnn)
8'hF8: MCODE_S2 = {`mcEOR,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // EORB($nnnn)
8'hF9: MCODE_S2 = {`mcADC,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ADCB($nnnn)
8'hFA: MCODE_S2 = {`mcLOR,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ORB($nnnn)
8'hFB: MCODE_S2 = {`mcADD,`mcrB,`mcrM,`mcrB,`mcpN,`amE0,`pcI}; // ADDB($nnnn)
8'hFC: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // LDD($nnnn)
8'hFD: MCODE_S2 = {`mcLDN,`mcrD,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STD($nnnn)
8'hFE: MCODE_S2 = {`mcLDN,`mcrM,`mcrn,`mcrU,`mcpN,`amE0,`pcI}; // LDX($nnnn)
8'hFF: MCODE_S2 = {`mcLDN,`mcrX,`mcrn,`mcrN,`mcpN,`amE0,`pcI}; // STX($nnnn)
//-----------------------------------------------------------------------------------------
default: MCODE_S2 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S3;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h36: MCODE_S3 = `MC_NEXTI; // PSHA
8'h37: MCODE_S3 = `MC_NEXTI; // PSHB
8'h38: MCODE_S3 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // PULX
8'h39: MCODE_S3 = {`mcLOR,`mcrP,`mcrM,`mcrP,`mcpN,`amS1,`pcN}; // RTS
8'h3B: MCODE_S3 = {`mcPUL,`mcrN,`mcrn,`mcrX,`mcpN,`amS1,`pcN}; // RTI
8'h3C: MCODE_S3 = {`mcDEC,`mcrS,`mcrn,`mcrS,`mcpN,`amPC,`pcN}; // PSHX
8'h3D: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S3 = {`mcNEG,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // NEG($nn+X)
8'h61: MCODE_S3 = {`mcAND,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // AIM#,($nn+X)
8'h62: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // OIM#,($nn+X)
8'h63: MCODE_S3 = {`mcNOT,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // COM($nn+X)
8'h64: MCODE_S3 = {`mcLSR,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // LSR($nn+X)
8'h65: MCODE_S3 = {`mcEOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // EIM#,($nn+X)
8'h66: MCODE_S3 = {`mcROR,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // ROR($nn+X)
8'h67: MCODE_S3 = {`mcASR,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // ASR($nn+X)
8'h68: MCODE_S3 = {`mcASL,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // ASL($nn+X)
8'h69: MCODE_S3 = {`mcROL,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // ROL($nn+X)
8'h6A: MCODE_S3 = {`mcDEC,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // DEC($nn+X)
8'h6B: MCODE_S3 = {`mcAND,`mcrM,`mcrE,`mcrn,`mcpN,`amXT,`pcN}; // TIM#,($nn+X)
8'h6C: MCODE_S3 = {`mcINC,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // INC($nn+X)
8'h6D: MCODE_S3 = `MC_NEXTI; // TST($nn+X)
8'h6F: MCODE_S3 = {`mcLDN,`mcrn,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // CLR($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S3 = `MC_LDEXM; // NEG($nnnn)
8'h71: MCODE_S3 = {`mcLDN,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // AIM#,($nn)
8'h72: MCODE_S3 = {`mcLDN,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // OIM#,($nn)
8'h73: MCODE_S3 = `MC_LDEXM; // COM($nnnn)
8'h74: MCODE_S3 = `MC_LDEXM; // LSR($nnnn)
8'h75: MCODE_S3 = {`mcEOR,`mcrT,`mcrM,`mcrT,`mcpN,`amE0,`pcI}; // EIM#,($nnnn)
8'h76: MCODE_S3 = `MC_LDEXM; // ROR($nnnn)
8'h77: MCODE_S3 = `MC_LDEXM; // ASR($nnnn)
8'h78: MCODE_S3 = `MC_LDEXM; // ASL($nnnn)
8'h79: MCODE_S3 = `MC_LDEXM; // ROL($nnnn)
8'h7A: MCODE_S3 = `MC_LDEXM; // DEC($nnnn)
8'h7B: MCODE_S3 = `MC_NEXTI; // TIM#,($nn)
8'h7C: MCODE_S3 = `MC_LDEXM; // INC($nnnn)
8'h7D: MCODE_S3 = `MC_NEXTI; // TST($nnnn)
8'h7F: MCODE_S3 = {`mcLDR,`mcrn,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // CLR($nnnn)
//-----------------------------------------------------------------------------------------
8'h8D: MCODE_S3 = {`mcPSH,`mcrP,`mcrn,`mcrN,`mcpN,`amSP,`pcN}; // BSR
//-----------------------------------------------------------------------------------------
8'h93: MCODE_S3 = {`mcSUB,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcN}; // SUBD($nn)
8'h9C: MCODE_S3 = {`mcSUB,`mcrX,`mcrT,`mcrn,`mcp0,`amPC,`pcN}; // CMPX($nn)
8'h9D: MCODE_S3 = {`mcPSH,`mcrP,`mcrn,`mcrN,`mcpN,`amSP,`pcN}; // JSR($nn)
8'h9E: MCODE_S3 = {`mcLDR,`mcrT,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // LDS($nn)
8'h9F: MCODE_S3 = {`mcLDR,`mcrS,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // STS($nn)
//-----------------------------------------------------------------------------------------
8'hA0: MCODE_S3 = {`mcSUB,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // SUBA($nn+X)
8'hA1: MCODE_S3 = {`mcSUB,`mcrA,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // CMPA($nn+X)
8'hA2: MCODE_S3 = {`mcSBC,`mcrA,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // SBCA($nn+X)
8'hA3: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // SUBD($nn+X)
8'hA4: MCODE_S3 = {`mcAND,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // ANDA($nn+X)
8'hA5: MCODE_S3 = {`mcAND,`mcrA,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // BITA($nn+X)
8'hA6: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // LDA($nn+X)
8'hA7: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STA($nn+X)
8'hA8: MCODE_S3 = {`mcEOR,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // EORA($nn+X)
8'hA9: MCODE_S3 = {`mcADC,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // ADCA($nn+X)
8'hAA: MCODE_S3 = {`mcLOR,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // ORA($nn+X)
8'hAB: MCODE_S3 = {`mcADD,`mcrA,`mcrE,`mcrA,`mcp0,`amPC,`pcN}; // ADDA($nn+X)
8'hAC: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // CMPX($nn+X)
8'hAD: MCODE_S3 = {`mcPSH,`mcrP,`mcrn,`mcrN,`mcpN,`amSP,`pcN}; // JSR.$nn+X
8'hAE: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // LDS($nn+X)
8'hAF: MCODE_S3 = {`mcLDN,`mcrS,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // STS($nn+X)
//-----------------------------------------------------------------------------------------
8'hB0: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SUBA($nnnn)
8'hB1: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // CMPA($nnnn)
8'hB2: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SBCA($nnnn)
8'hB3: MCODE_S3 = {`mcLOR,`mcrM,`mcrT,`mcrT,`mcpN,`amE1,`pcN}; // SUBD($nnnn)
8'hB4: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ANDA($nnnn)
8'hB5: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // BITA($nnnn)
8'hB6: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // LDA($nnnn)
8'hB7: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STA($nnnn)
8'hB8: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // EORA($nnnn)
8'hB9: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADCA($nnnn)
8'hBA: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ORA($nnnn)
8'hBB: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADDA($nnnn)
8'hBC: MCODE_S3 = {`mcLOR,`mcrM,`mcrT,`mcrT,`mcpN,`amE1,`pcN}; // CMPX($nnnn)
8'hBD: MCODE_S3 = {`mcPSH,`mcrP,`mcrn,`mcrM,`mcpN,`amSP,`pcN}; // JSR.$nnnn
8'hBE: MCODE_S3 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // LDS($nnnn)
8'hBF: MCODE_S3 = {`mcLDN,`mcrS,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STS($nnnn)
//-----------------------------------------------------------------------------------------
8'hD3: MCODE_S3 = {`mcADD,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcN}; // ADDD($nn)
8'hDC: MCODE_S3 = {`mcLDR,`mcrD,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // LDD($nn)
8'hDD: MCODE_S3 = {`mcLDR,`mcrD,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // STD($nn)
8'hDE: MCODE_S3 = {`mcLDR,`mcrX,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // LDX($nn)
8'hDF: MCODE_S3 = {`mcLDR,`mcrX,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // STX($nn)
//-----------------------------------------------------------------------------------------
8'hE0: MCODE_S3 = {`mcSUB,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // SUBB($nn+X)
8'hE1: MCODE_S3 = {`mcSUB,`mcrB,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // CMPB($nn+X)
8'hE2: MCODE_S3 = {`mcSBC,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // SBCB($nn+X)
8'hE3: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // ADDD($nn+X)
8'hE4: MCODE_S3 = {`mcAND,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // ANDB($nn+X)
8'hE5: MCODE_S3 = {`mcAND,`mcrB,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // BITB($nn+X)
8'hE6: MCODE_S3 = {`mcLDR,`mcrE,`mcrn,`mcrB,`mcp0,`amPC,`pcN}; // LDB($nn+X)
8'hE7: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STB($nn+X)
8'hE8: MCODE_S3 = {`mcEOR,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // EORB($nn+X)
8'hE9: MCODE_S3 = {`mcADC,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // ADCB($nn+X)
8'hEA: MCODE_S3 = {`mcLOR,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // ORB($nn+X)
8'hEB: MCODE_S3 = {`mcADD,`mcrB,`mcrE,`mcrB,`mcp0,`amPC,`pcN}; // ADDB($nn+X)
8'hEC: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // LDD($nn+X)
8'hED: MCODE_S3 = {`mcLDN,`mcrD,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // STD($nn+X)
8'hEE: MCODE_S3 = {`mcLOR,`mcrM,`mcrE,`mcrE,`mcpN,`amXT,`pcN}; // LDX($nn+X)
8'hEF: MCODE_S3 = {`mcLDN,`mcrX,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // STX($nn+X)
//-----------------------------------------------------------------------------------------
8'hF0: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SUBB($nnnn)
8'hF1: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // CMPB($nnnn)
8'hF2: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // SBCB($nnnn)
8'hF3: MCODE_S3 = {`mcLOR,`mcrM,`mcrT,`mcrT,`mcpN,`amE1,`pcN}; // ADDD($nnnn)
8'hF4: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ANDB($nnnn)
8'hF5: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // BITB($nnnn)
8'hF6: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // LDB($nnnn)
8'hF7: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // STB($nnnn)
8'hF8: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // EORB($nnnn)
8'hF9: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADCB($nnnn)
8'hFA: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ORB($nnnn)
8'hFB: MCODE_S3 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // ADDB($nnnn)
8'hFC: MCODE_S3 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // LDD($nnnn)
8'hFD: MCODE_S3 = {`mcLDN,`mcrD,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STD($nnnn)
8'hFE: MCODE_S3 = {`mcLDN,`mcrM,`mcrn,`mcrV,`mcpN,`amE1,`pcN}; // LDX($nnnn)
8'hFF: MCODE_S3 = {`mcLDN,`mcrX,`mcrn,`mcrM,`mcpN,`amE1,`pcN}; // STX($nnnn)
//-----------------------------------------------------------------------------------------
default: MCODE_S3 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S4;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h39: MCODE_S4 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // RTS
8'h3B: MCODE_S4 = {`mcLOR,`mcrM,`mcrX,`mcrX,`mcpN,`amS1,`pcN}; // RTI
8'h3C: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcp0,`amPC,`pcN}; // PSHX
8'h3D: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // NEG($nn+X)
8'h61: MCODE_S4 = {`mcLDN,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // AIM#,($nn+X)
8'h62: MCODE_S4 = {`mcLDN,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // OIM#,($nn+X)
8'h63: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // COM($nn+X)
8'h64: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // LSR($nn+X)
8'h65: MCODE_S4 = {`mcLDN,`mcrE,`mcrn,`mcrM,`mcpN,`amXT,`pcN}; // EIM#,($nn+X)
8'h66: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ROR($nn+X)
8'h67: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ASR($nn+X)
8'h68: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ASL($nn+X)
8'h69: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // ROL($nn+X)
8'h6A: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // DEC($nn+X)
8'h6B: MCODE_S4 = `MC_NEXTI; // TIM#,($nn+X)
8'h6C: MCODE_S4 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // INC($nn+X)
8'h6F: MCODE_S4 = `MC_NEXTI; // CLR($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S4 = {`mcNEG,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // NEG($nnnn)
8'h71: MCODE_S4 = `MC_NEXTI; // AIM#,($nn)
8'h72: MCODE_S4 = `MC_NEXTI; // OIM#,($nn)
8'h73: MCODE_S4 = {`mcNOT,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // COM($nnnn)
8'h74: MCODE_S4 = {`mcLSR,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // LSR($nnnn)
8'h75: MCODE_S4 = {`mcLDN,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // EIM#,($nnnn)
8'h76: MCODE_S4 = {`mcROR,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // ROR($nnnn)
8'h77: MCODE_S4 = {`mcASR,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // ASR($nnnn)
8'h78: MCODE_S4 = {`mcASL,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // ASL($nnnn)
8'h79: MCODE_S4 = {`mcROL,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // ROL($nnnn)
8'h7A: MCODE_S4 = {`mcDEC,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // DEC($nnnn)
8'h7C: MCODE_S4 = {`mcINC,`mcrT,`mcrn,`mcrM,`mcpN,`amE0,`pcN}; // INC($nnnn)
8'h7F: MCODE_S4 = `MC_NEXTI; // CLR($nnnn)
//-----------------------------------------------------------------------------------------
8'h8D: MCODE_S4 = {`mcAPC, `bfRA ,`mcrn,`mcp0,`amPC,`pcN}; // BSR
//-----------------------------------------------------------------------------------------
8'h9D: MCODE_S4 = {`mcLDN,`mcrE,`mcrn,`mcrP,`mcp0,`amPC,`pcN}; // JSR($nn)
//-----------------------------------------------------------------------------------------
8'hA3: MCODE_S4 = {`mcSUB,`mcrD,`mcrE,`mcrD,`mcp0,`amPC,`pcN}; // SUBD($nn+X)
8'hAC: MCODE_S4 = {`mcSUB,`mcrX,`mcrE,`mcrn,`mcp0,`amPC,`pcN}; // CMPX($nn+X)
8'hAD: MCODE_S4 = {`mcADD,`mcrX,`mcrT,`mcrP,`mcp0,`amPC,`pcN}; // JSR.$nn+X
8'hAE: MCODE_S4 = {`mcLDR,`mcrE,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // LDS($nn+X)
8'hAF: MCODE_S4 = {`mcLDR,`mcrS,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // STS($nn+X)
//-----------------------------------------------------------------------------------------
8'hB3: MCODE_S4 = {`mcSUB,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcN}; // SUBD($nnnn)
8'hBC: MCODE_S4 = {`mcSUB,`mcrX,`mcrT,`mcrn,`mcp0,`amPC,`pcN}; // CMPX($nnnn)
8'hBD: MCODE_S4 = {`mcPSH,`mcrP,`mcrn,`mcrN,`mcpN,`amSP,`pcN}; // JSR.$nnnn
8'hBE: MCODE_S4 = {`mcLDR,`mcrT,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // LDS($nnnn)
8'hBF: MCODE_S4 = {`mcLDR,`mcrS,`mcrn,`mcrS,`mcp0,`amPC,`pcN}; // STS($nnnn)
//-----------------------------------------------------------------------------------------
8'hE3: MCODE_S4 = {`mcADD,`mcrD,`mcrE,`mcrD,`mcp0,`amPC,`pcN}; // ADDD($nn+X)
8'hEC: MCODE_S4 = {`mcLDR,`mcrE,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // LDD($nn+X)
8'hED: MCODE_S4 = {`mcLDR,`mcrD,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // STD($nn+X)
8'hEE: MCODE_S4 = {`mcLDN,`mcrE,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // LDX($nn+X)
8'hEF: MCODE_S4 = {`mcLDR,`mcrX,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // STX($nn+X)
//-----------------------------------------------------------------------------------------
8'hF3: MCODE_S4 = {`mcADD,`mcrD,`mcrT,`mcrD,`mcp0,`amPC,`pcN}; // ADDD($nnnn)
8'hFC: MCODE_S4 = {`mcLDR,`mcrT,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // LDD($nnnn)
8'hFD: MCODE_S4 = {`mcLDR,`mcrD,`mcrn,`mcrD,`mcp0,`amPC,`pcN}; // STD($nnnn)
8'hFE: MCODE_S4 = {`mcLDR,`mcrT,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // LDX($nnnn)
8'hFF: MCODE_S4 = {`mcLDR,`mcrX,`mcrn,`mcrX,`mcp0,`amPC,`pcN}; // STX($nnnn)
//-----------------------------------------------------------------------------------------
default: MCODE_S4 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S5;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h3B: MCODE_S5 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcpN,`amS1,`pcN}; // RTI
8'h3D: MCODE_S5 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // MUL
//-----------------------------------------------------------------------------------------
8'h60: MCODE_S5 = `MC_NEXTI; // NEG($nn+X)
8'h61: MCODE_S5 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // AIM#,($nn+X)
8'h62: MCODE_S5 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // OIM#,($nn+X)
8'h63: MCODE_S5 = `MC_NEXTI; // COM($nn+X)
8'h64: MCODE_S5 = `MC_NEXTI; // LSR($nn+X)
8'h65: MCODE_S5 = {`mcNOP,`mcrn,`mcrn,`mcrn,`mcpN,`amPC,`pcN}; // EIM#,($nn+X)
8'h66: MCODE_S5 = `MC_NEXTI; // ROR($nn+X)
8'h67: MCODE_S5 = `MC_NEXTI; // ASR($nn+X)
8'h68: MCODE_S5 = `MC_NEXTI; // ASL($nn+X)
8'h69: MCODE_S5 = `MC_NEXTI; // ROL($nn+X)
8'h6A: MCODE_S5 = `MC_NEXTI; // DEC($nn+X)
8'h6C: MCODE_S5 = `MC_NEXTI; // INC($nn+X)
//-----------------------------------------------------------------------------------------
8'h70: MCODE_S5 = `MC_NEXTI; // NEG($nnnn)
8'h73: MCODE_S5 = `MC_NEXTI; // COM($nnnn)
8'h74: MCODE_S5 = `MC_NEXTI; // LSR($nnnn)
8'h75: MCODE_S5 = `MC_NEXTI; // EIM#,($nnnn)
8'h76: MCODE_S5 = `MC_NEXTI; // ROR($nnnn)
8'h77: MCODE_S5 = `MC_NEXTI; // ASR($nnnn)
8'h78: MCODE_S5 = `MC_NEXTI; // ASL($nnnn)
8'h79: MCODE_S5 = `MC_NEXTI; // ROL($nnnn)
8'h7A: MCODE_S5 = `MC_NEXTI; // DEC($nnnn)
8'h7C: MCODE_S5 = `MC_NEXTI; // INC($nnnn)
//-----------------------------------------------------------------------------------------
8'hBD: MCODE_S5 = {`mcLDN,`mcrE,`mcrn,`mcrP,`mcp0,`amPC,`pcN}; // JSR.$nnnn
//-----------------------------------------------------------------------------------------
default: MCODE_S5 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S6;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h3B: MCODE_S6 = {`mcPUL,`mcrN,`mcrn,`mcrP,`mcpN,`amS1,`pcN}; // RTI
8'h3D: MCODE_S6 = {`mcMUL,`mcrA,`mcrB,`mcrD,`mcp0,`amPC,`pcI}; // MUL
//-----------------------------------------------------------------------------------------
8'h61: MCODE_S6 = `MC_NEXTI; // AIM#,($nn+X)
8'h62: MCODE_S6 = `MC_NEXTI; // OIM#,($nn+X)
8'h65: MCODE_S6 = `MC_NEXTI; // EIM#,($nn+X)
//-----------------------------------------------------------------------------------------
default: MCODE_S6 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S7;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h3B: MCODE_S7 = {`mcLOR,`mcrM,`mcrP,`mcrP,`mcpN,`amS1,`pcN}; // RTI
//-----------------------------------------------------------------------------------------
default: MCODE_S7 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S8;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h3B: MCODE_S8 = {`mcINC,`mcrS,`mcrn,`mcrS,`mcpN,`amPC,`pcN}; // RTI
//-----------------------------------------------------------------------------------------
default: MCODE_S8 = `MC_HALT;
endcase
end
endfunction
function `mcwidth MCODE_S9;
input [7:0] opc;
begin
case (opc)
//-----------------------------------------------------------------------------------------
8'h3B: MCODE_S9 = {`mcLDN,`mcrT,`mcrn,`mcrC,`mcp0,`amPC,`pcN}; // RTI
//-----------------------------------------------------------------------------------------
default: MCODE_S9 = `MC_HALT;
endcase
end
endfunction