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fix spc700::dp addressing program counter bug

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scawful
2024-04-24 10:06:51 -04:00
parent 0525782cf5
commit f3cf9ac555
1 changed files with 1 additions and 12 deletions
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13
src/app/emu/audio/internal/addressing.cc
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@@ -7,10 +7,6 @@ namespace audio {
// adressing modes // adressing modes
// uint16_t adrDp() {
// return ReadOpcode() | (PSW.P << 8);
// }
uint16_t Spc700::ind() { uint16_t Spc700::ind() {
read(PC); read(PC);
return X | (PSW.P << 8); return X | (PSW.P << 8);
@@ -53,11 +49,6 @@ uint16_t Spc700::idy() {
return (adr + Y) & 0xffff; return (adr + Y) & 0xffff;
} }
// uint16_t adrDpDp(uint8_t* srcVal) {
// *srcVal = read(spc, ReadOpcode() | (PSW.P << 8));
// return ReadOpcode() | (PSW.P << 8);
// }
uint16_t Spc700::dp_imm(uint8_t* srcVal) { uint16_t Spc700::dp_imm(uint8_t* srcVal) {
*srcVal = ReadOpcode(); *srcVal = ReadOpcode();
return ReadOpcode() | (PSW.P << 8); return ReadOpcode() | (PSW.P << 8);
@@ -91,9 +82,7 @@ uint16_t Spc700::imm() { return PC++; }
// Direct page // Direct page
uint8_t Spc700::dp() { uint8_t Spc700::dp() {
PC++; return ReadOpcode() | (PSW.P << 8);
uint8_t offset = read(PC);
return read((PSW.P << 8) + offset);
} }
uint8_t Spc700::get_dp_addr() { uint8_t Spc700::get_dp_addr() {