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Reset write phase only upon traditional register accesses.

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This commit is contained in:
Thomas Harte
2023-02-06 20:32:24 -05:00
parent b538407386
commit a3df106f92
1 changed files with 6 additions and 3 deletions
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9
Components/9918/Implementation/9918.cpp
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@@ -1068,10 +1068,13 @@ uint8_t Base<personality>::read_register_indirect() {
template <Personality personality> template <Personality personality>
uint8_t TMS9918<personality>::read(int address) { uint8_t TMS9918<personality>::read(int address) {
// TODO: is this still a global effect of reads, even in the world of the Yamahas? const int target = this->masked_address(address);
this->write_phase_ = false;
switch(this->masked_address(address)) { if(target < 2) {
this->write_phase_ = false;
}
switch(target) {
default: return 0xff; default: return 0xff;
case 0: return this->read_vram(); case 0: return this->read_vram();
case 1: return this->read_register(); case 1: return this->read_register();