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https://github.com/holub/mame
synced 2025-04-20 15:32:45 +03:00
m6809: Add support for stepping out
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62de252337
commit
8c7b122713
@ -124,6 +124,7 @@ offs_t m6x09_base_disassembler::disassemble(std::ostream &stream, offs_t pc, con
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int numoperands = (p - pc == 1)
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? op->length() - 1
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: op->length() - 2;
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offs_t flags = op->flags();
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offs_t ppc = p;
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p += numoperands;
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@ -179,7 +180,10 @@ offs_t m6x09_base_disassembler::disassemble(std::ostream &stream, offs_t pc, con
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if (pb & 0x40)
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util::stream_format(stream, "%s%s", (pb&0x3f)?",":"", (op->mode() == PULS)?"U":"S");
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if (pb & 0x80)
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{
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util::stream_format(stream, "%sPC", (pb&0x7f)?",":"");
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flags |= STEP_OUT;
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}
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break;
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case DIR:
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@ -279,7 +283,7 @@ offs_t m6x09_base_disassembler::disassemble(std::ostream &stream, offs_t pc, con
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throw false;
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}
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return (p - pc) | op->flags() | SUPPORTED;
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return (p - pc) | flags | SUPPORTED;
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}
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@ -346,9 +350,9 @@ const m6x09_base_disassembler::opcodeinfo m6x09_disassembler::m6x09_opcodes[] =
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{ 0x35, 2, "PULS", PULS, M6x09_GENERAL },
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{ 0x36, 2, "PSHU", PSHU, M6x09_GENERAL },
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{ 0x37, 2, "PULU", PULU, M6x09_GENERAL },
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{ 0x39, 1, "RTS", INH , M6x09_GENERAL },
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{ 0x39, 1, "RTS", INH , M6x09_GENERAL, STEP_OUT },
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{ 0x3A, 1, "ABX", INH, M6x09_GENERAL },
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{ 0x3B, 1, "RTI", INH, M6x09_GENERAL },
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{ 0x3B, 1, "RTI", INH, M6x09_GENERAL, STEP_OUT },
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{ 0x3C, 2, "CWAI", IMM, M6x09_GENERAL },
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{ 0x3D, 1, "MUL", INH, M6x09_GENERAL },
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{ 0x3F, 1, "SWI", INH, M6x09_GENERAL },
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@ -1162,7 +1166,7 @@ const m6x09_base_disassembler::opcodeinfo konami_disassembler::konami_opcodes[]
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{ 0x8C, 1, "DECA", INH, M6x09_GENERAL },
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{ 0x8D, 1, "DECB", INH, M6x09_GENERAL },
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{ 0x8E, 2, "DEC", IND, M6x09_GENERAL },
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{ 0x8F, 1, "RTS", INH , M6x09_GENERAL },
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{ 0x8F, 1, "RTS", INH , M6x09_GENERAL, STEP_OUT },
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{ 0x90, 1, "TSTA", INH, M6x09_GENERAL },
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{ 0x91, 1, "TSTB", INH, M6x09_GENERAL },
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@ -1179,7 +1183,7 @@ const m6x09_base_disassembler::opcodeinfo konami_disassembler::konami_opcodes[]
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{ 0x9C, 1, "ASLA", INH, M6x09_GENERAL },
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{ 0x9D, 1, "ASLB", INH, M6x09_GENERAL },
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{ 0x9E, 2, "ASL", IND, M6x09_GENERAL },
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{ 0x9F, 1, "RTI", INH , M6x09_GENERAL },
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{ 0x9F, 1, "RTI", INH , M6x09_GENERAL, STEP_OUT },
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{ 0xA0, 1, "ROLA", INH, M6x09_GENERAL },
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{ 0xA1, 1, "ROLB", INH, M6x09_GENERAL },
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