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Correct 6809 disassembly prefix issue.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2018-08-28 08:18:00 +01:00
parent 837ac495ab
commit c22b3fca3b
1 changed files with 10 additions and 8 deletions
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18
MC6809/src/Disassembly.cpp
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@ -96,8 +96,6 @@ std::string EightBit::Disassembly::disassemble(uint16_t current) {
std::ostringstream output;
if (CPU().powered()) {
m_prefix10 = m_prefix11 = false;
const bool ignore =
CPU().lowered(CPU().HALT())
|| CPU().lowered(CPU().RESET())
@ -286,15 +284,15 @@ std::string EightBit::Disassembly::disassembleUnprefixed() {
//// LDA
case 0x86: output << AM_immediate_byte("LDA"); break; // LD (LDA immediate)
//case 0x96: A() = ld(AM_direct_byte()); break; // LD (LDA direct)
//case 0xa6: A() = ld(AM_indexed_byte()); break; // LD (LDA indexed)
//case 0xb6: A() = ld(AM_extended_byte()); break; // LD (LDA extended)
case 0x96: output << AM_direct_byte("LDA"); break; // LD (LDA direct)
case 0xa6: output << AM_indexed_byte("LDA"); break; // LD (LDA indexed)
case 0xb6: output << AM_extended_byte("LDA"); break; // LD (LDA extended)
//// LDB
case 0xc6: output << AM_immediate_byte("LDB"); break; // LD (LDB immediate)
//case 0xd6: B() = ld(AM_direct_byte()); break; // LD (LDB direct)
//case 0xe6: B() = ld(AM_indexed_byte()); break; // LD (LDB indexed)
//case 0xf6: B() = ld(AM_extended_byte()); break; // LD (LDB extended)
case 0xd6: output << AM_direct_byte("LDB"); break; // LD (LDB direct)
case 0xe6: output << AM_indexed_byte("LDB"); break; // LD (LDB indexed)
case 0xf6: output << AM_extended_byte("LDB"); break; // LD (LDB extended)
//// LDD
case 0xcc: output << AM_immediate_word("LDD"); break; // LD (LDD immediate)
@ -567,6 +565,8 @@ std::string EightBit::Disassembly::disassemble10() {
// UNREACHABLE;
}
m_prefix10 = false;
return output.str();
}
@ -600,6 +600,8 @@ std::string EightBit::Disassembly::disassemble11() {
// UNREACHABLE;
}
m_prefix11 = false;
return output.str();
}