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107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
//
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// disassembler.h
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// A2Mac
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//
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// Created by Tamas Rudnai on 9/21/19.
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// Copyright © 2019 GameAlloy. All rights reserved.
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//
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#ifndef disassembler_h
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#define disassembler_h
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#ifdef DISASSEMBLER
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extern unsigned long long int clktime;
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unsigned long long discnt = 0;
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#define disHexB( to, b ) \
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if ( m6502.dbgLevel.trace ) { \
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snprintf((to), 4, "%02X ", (b)); \
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to += 3; \
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}
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#define disHexW( to, w ) \
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if ( m6502.dbgLevel.trace ) { \
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snprintf((to), 6, "%04X ", (w)); \
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to += 5; \
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}
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#define disPuts( to, from ) { \
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char * s = from; \
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if ( m6502.dbgLevel.trace ) { \
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while ( (*(to)++ = *s++) ); \
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} \
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}
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#define disPrintf( to, fmt, args... ) { \
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if ( m6502.dbgLevel.trace ) { \
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snprintf( (to), sizeof(to), fmt, ##args ); \
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} \
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}
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#define disNewInstruction() { \
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if ( m6502.dbgLevel.trace ) { \
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snprintf(disassembly.addr, 5, "%04X ", m6502.PC); \
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*disassembly.opcode = '\0'; \
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disassembly.pOpcode = disassembly.opcode; \
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*disassembly.inst = '\0'; \
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*disassembly.oper = '\0'; \
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*disassembly.comment = '\0'; \
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} \
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}
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INLINE void printDisassembly( FILE * f ) {
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if ( m6502.dbgLevel.trace && f ) {
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// fprintf( f, "%s: %-14s%-6s%-14s%-16s A:%02X X:%02X Y:%02X S:%02X P:%02X (%c%c%c%c%c%c%c%c)\n",
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// disassembly.addr,
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// disassembly.opcode,
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// disassembly.inst,
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// disassembly.oper,
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// disassembly.comment,
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// m6502.A,
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// m6502.X,
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// m6502.Y,
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// m6502.SP,
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// m6502.SR,
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// m6502.N ? 'N' : 'n',
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// m6502.V ? 'V' : 'v',
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// m6502.res ? 'R' : 'r',
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// m6502.B ? 'B' : 'b',
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// m6502.D ? 'D' : 'd',
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// m6502.I ? 'I' : 'i',
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// m6502.Z ? 'Z' : 'z',
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// m6502.C ? 'C' : 'c'
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// );
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fprintf( f, "%llu\t%llu %s: %-11s%-4s%s\t0x%02X\t0x%02X\t0x%02X\t0x%02X\t0x%02X\t;\t%s\n", // Virtual ][ style
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++discnt,
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clktime,
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disassembly.addr,
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disassembly.opcode,
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disassembly.inst,
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disassembly.oper,
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m6502.A,
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m6502.X,
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m6502.Y,
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m6502.SR,
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m6502.SP,
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disassembly.comment
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);
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}
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}
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#else // DISASSEMBLER
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#define disHexB( to, b )
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#define disHexW( to, w )
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#define disPuts( to, from )
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#define disPrintf( to, fmt, args... )
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#define disNewInstruction()
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#define printDisassembly()
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#endif // DISASSEMBLER
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#endif /* disassembler_h */
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