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Couple more 6809 disassembly instructions added, up to the point of an instruction oddity...

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon 2018-08-27 23:50:18 +01:00
parent ce9738eb4b
commit 837ac495ab
1 changed files with 4 additions and 8 deletions
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12
MC6809/src/Disassembly.cpp
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@ -103,7 +103,6 @@ std::string EightBit::Disassembly::disassemble(uint16_t current) {
|| CPU().lowered(CPU().RESET())
|| CPU().lowered(CPU().NMI())
|| (CPU().lowered(CPU().FIRQ()) && !(CPU().CC() & mc6809::FF))
|| (CPU().lowered(CPU().FIRQ()) && !(CPU().CC() & mc6809::FF))
|| (CPU().lowered(CPU().IRQ()) && !(CPU().CC() & mc6809::IF));
if (!ignore) {
@ -199,7 +198,7 @@ std::string EightBit::Disassembly::disassembleUnprefixed() {
//case 0xc5: andr(B(), AM_immediate_byte()); break; // BIT (BITB immediate)
//case 0xd5: andr(B(), AM_direct_byte()); break; // BIT (BITB direct)
//case 0xe5: andr(B(), AM_indexed_byte()); break; // BIT (BITB indexed)
case 0xe5: output << AM_indexed_byte("BITB"); break; // BIT (BITB indexed)
//case 0xf5: andr(B(), AM_extended_byte()); break; // BIT (BITB extended)
//// CLR
@ -275,7 +274,7 @@ std::string EightBit::Disassembly::disassembleUnprefixed() {
//// JMP
//case 0x0e: jump(Address_direct()); break; // JMP (direct)
//case 0x6e: jump(Address_indexed()); break; // JMP (indexed)
case 0x6e: output << Address_indexed("JMP"); break; // JMP (indexed)
//case 0x7e: jump(Address_extended()); break; // JMP (extended)
//// JSR
@ -477,7 +476,7 @@ std::string EightBit::Disassembly::disassembleUnprefixed() {
//case 0x24: branchShort(!carry()); break; // BCC (relative)
//case 0x25: branchShort(carry()); break; // BCS (relative)
case 0x26: output << branchShort("BNE"); break; // BNE (relative)
//case 0x27: branchShort(zero()); break; // BEQ (relative)
case 0x27: output << branchShort("BEQ"); break; // BEQ (relative)
//case 0x28: branchShort(!overflow()); break; // BVC (relative)
//case 0x29: branchShort(overflow()); break; // BVS (relative)
//case 0x2a: branchShort(!negative()); break; // BPL (relative)
@ -749,10 +748,7 @@ std::string EightBit::Disassembly::AM_direct_byte(std::string mnemomic) {
}
std::string EightBit::Disassembly::AM_indexed_byte(std::string mnemomic) {
std::ostringstream output;
output
<< "\t**" << mnemomic << "**\t";
return output.str();
return Address_indexed(mnemomic);
}
std::string EightBit::Disassembly::AM_extended_byte(std::string mnemomic) {