82 lines
5.4 KiB
C++
82 lines
5.4 KiB
C++
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#include "stdafx.h"
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#include "SpcDisUtils.h"
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#include "DisassemblyInfo.h"
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#include "../Utilities/FastString.h"
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#include "../Utilities/HexUtilities.h"
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constexpr const char* _opTemplate[256] = {
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"NOP", "TCALL 0", "SET1 d.0", "BBS d.0, q", "OR A, d", "OR A, !a", "OR A, (X)", "OR A, [d+X]", "OR A, #i", "OR t, s", "OR1 C, m.b", "ASL d", "ASL !a", "PUSH PSW", "TSET1 !a", "BRK",
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"BPL r", "TCALL 1", "CLR1 d.0", "BBC d.0, q", "OR A, d+X", "OR A, !a+X", "OR A, !a+Y", "OR A, [d]+Y", "OR e, #i", "OR (X), (Y)", "DECW d", "ASL d+X", "ASL A", "DEC X", "CMP X, !a", "JMP [!a+X]",
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"CLRP", "TCALL 2", "SET1 d.1", "BBS d.1, q", "AND A, d", "AND A, !a", "AND A, (X)", "AND A, [d+X]", "AND A, #i", "AND t, s", "OR1 C, /m.b", "ROL d", "ROL !a", "PUSH A", "CBNE d, q", "BRA r",
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"BMI r", "TCALL 3", "CLR1 d.1", "BBC d.1, q", "AND A, d+X", "AND A, !a+X", "AND A, !a+Y", "AND A, [d]+Y", "AND e, #i", "AND (X), (Y)","INCW d", "ROL d+X", "ROL A", "INC X", "CMP X, d", "CALL !a",
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"SETP", "TCALL 4", "SET1 d.2", "BBS d.2, q", "EOR A, d", "EOR A, !a", "EOR A, (X)", "EOR A, [d+X]", "EOR A, #i", "EOR t, s", "AND1 C, m.b", "LSR d", "LSR !a", "PUSH X", "TCLR1 !a", "PCALL u",
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"BVC r", "TCALL 5", "CLR1 d.2", "BBC d.2, q", "EOR A, d+X", "EOR A, !a+X", "EOR A, !a+Y", "EOR A, [d]+Y", "EOR e, #i", "EOR (X), (Y)","CMPW YA, d", "LSR d+X", "LSR A", "MOV X, A", "CMP Y, !a", "JMP !a",
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"CLRC", "TCALL 6", "SET1 d.3", "BBS d.3, q", "CMP A, d", "CMP A, !a", "CMP A, (X)", "CMP A, [d+X]", "CMP A, #i", "CMP t, s", "AND1 C, /m.b","ROR d", "ROR !a", "PUSH Y", "DBNZ d, q", "RET",
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"BVS r", "TCALL 7", "CLR1 d.3", "BBC d.3, q", "CMP A, d+X", "CMP A, !a+X", "CMP A, !a+Y", "CMP A, [d]+Y", "CMP e, #i", "CMP (X), (Y)","ADDW YA, d", "ROR d+X", "ROR A", "MOV A, X", "CMP Y, d", "RET1",
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"SETC", "TCALL 8", "SET1 d.4", "BBS d.4, q", "ADC A, d", "ADC A, !a", "ADC A, (X)", "ADC A, [d+X]", "ADC A, #i", "ADC t, s", "EOR1 C, m.b", "DEC d", "DEC !a", "MOV Y, #i","POP PSW", "MOV e, #i",
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"BCC r", "TCALL 9", "CLR1 d.4", "BBC d.4, q", "ADC A, d+X", "ADC A, !a+X", "ADC A, !a+Y", "ADC A, [d]+Y", "ADC e, #i", "ADC (X), (Y)","SUBW YA, d", "DEC d+X", "DEC A", "MOV X, SP","DIV YA, X", "XCN A",
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"EI", "TCALL 10", "SET1 d.5", "BBS d.5, q", "SBC A, d", "SBC A, !a", "SBC A, (X)", "SBC A, [d+X]", "SBC A, #i", "SBC t, s", "MOV1 C, m.b", "INC d", "INC !a", "CMP Y, #i","POP A", "MOV (X)+, A",
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"BCS r", "TCALL 11", "CLR1 d.5", "BBC d.5, q", "SBC A, d+X", "SBC A, !a+X", "SBC A, !a+Y", "SBC A, [d]+Y", "SBC e, #i", "SBC (X), (Y)","MOVW YA, d", "INC d+X", "INC A", "MOV SP, X","DAS A", "MOV A, (X)+",
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"DI", "TCALL 12", "SET1 d.6", "BBS d.6, q", "MOV d, A", "MOV !a, A", "MOV (X), A", "MOV [d+X], A", "CMP X, #i", "MOV !a, X", "MOV1 m.b, C", "MOV d, Y", "MOV !a, Y","MOV X, #i","POP X", "MUL YA",
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"BNE r", "TCALL 13", "CLR1 d.6", "BBC d.6, q", "MOV d+X, A", "MOV !a+X, A", "MOV !a+Y, A", "MOV [d]+Y, A", "MOV e, X", "MOV d+Y, X", "MOVW d, YA", "MOV d+X, Y", "DEC Y", "MOV A, Y", "CBNE d+X, q", "DAA A",
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"CLRV", "TCALL 14", "SET1 d.7", "BBS d.7, q", "MOV A, d", "MOV A, !a", "MOV A, (X)", "MOV A, [d+X]", "MOV A, #i", "MOV X, !a", "NOT1 m.b", "MOV Y, d", "MOV Y, !a","NOTC", "POP Y", "SLEEP",
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"BEQ r", "TCALL 15", "CLR1 d.7", "BBC d.7, q", "MOV A, d+X", "MOV A, !a+X", "MOV A, !a+Y", "MOV A, [d]+Y", "MOV X, d", "MOV X, d+Y", "MOV t, s", "MOV Y, d+X", "INC Y", "MOV Y, A", "DBNZ Y, q", "STOP"
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};
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constexpr const uint8_t _opSize[256] = {
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 1, 3, 1,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 3, 3,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 1, 3, 2,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 2, 3,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 1, 3, 2,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 3, 3,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 1, 3, 1,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 2, 1,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 2, 1, 3,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 1, 1,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 2, 1, 1,
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2, 1, 2, 3, 2, 3, 3, 2, 3, 1, 2, 2, 1, 1, 1, 1,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 2, 1, 1,
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2, 1, 2, 3, 2, 3, 3, 2, 2, 2, 2, 2, 1, 1, 3, 1,
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1, 1, 2, 3, 2, 3, 1, 2, 2, 3, 3, 2, 3, 1, 1, 1,
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2, 1, 2, 3, 2, 3, 3, 2, 2, 2, 3, 2, 1, 1, 2, 1,
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};
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void SpcDisUtils::GetDisassembly(DisassemblyInfo &info, string &out, uint32_t memoryAddr)
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{
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FastString str;
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uint8_t* byteCode = info.GetByteCode();
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const char* op = _opTemplate[byteCode[0]];
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int i = 0;
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while(op[i]) {
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switch(op[i]) {
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case 'r': str.Write('$', HexUtilities::ToHex(memoryAddr + (int8_t)byteCode[1])); break;
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case 'q': str.Write('$', HexUtilities::ToHex(memoryAddr + (int8_t)byteCode[2])); break; //relative 2nd byte
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case 'a': str.Write('$', HexUtilities::ToHex(byteCode[1] | (byteCode[2] << 8))); break;
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case 'd': str.Write('$', HexUtilities::ToHex(byteCode[1])); break;
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case 'e': str.Write('$', HexUtilities::ToHex(byteCode[2])); break; //direct 2nd byte
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case 's': str.Write('$', HexUtilities::ToHex(byteCode[1])); break;
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case 't': str.Write('$', HexUtilities::ToHex(byteCode[2])); break;
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case 'i': str.Write('$', HexUtilities::ToHex(byteCode[1])); break;
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case 'm': str.Write('$', HexUtilities::ToHex((byteCode[1] | (byteCode[2] << 8)) & 0x1FFF)); break;
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case 'b': str.Write('$', (char)('0' + (byteCode[2] >> 5))); break;
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default: str.Write(op[i]);
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}
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i++;
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}
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out += str.ToString();
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}
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uint8_t SpcDisUtils::GetOpSize(uint8_t opCode)
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{
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return _opSize[opCode];
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}
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