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Correct Master System palette writes.

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This commit is contained in:
Thomas Harte 2018-10-04 19:12:31 -04:00
parent 858721a7a5
commit ca26dfcd61
1 changed files with 2 additions and 5 deletions
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7
Components/9918/9918.cpp
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@ -499,7 +499,6 @@ void TMS9918::set_register(int address, uint8_t value) {
case TI::TMS::SMSVDP: case TI::TMS::SMSVDP:
if(value & 0x40) { if(value & 0x40) {
ram_pointer_ = static_cast<uint16_t>(low_write_ | (value << 8)); ram_pointer_ = static_cast<uint16_t>(low_write_ | (value << 8));
queued_access_ = MemoryAccess::Write;
master_system_.cram_is_selected = true; master_system_.cram_is_selected = true;
return; return;
} }
@ -709,6 +708,8 @@ void Base::draw_sms(int start, int end) {
pattern = *reinterpret_cast<uint32_t *>(master_system_.tile_graphics[byte_column]); pattern = *reinterpret_cast<uint32_t *>(master_system_.tile_graphics[byte_column]);
} }
// If the VDP is set to hide the left column and this is the final call that'll come
// this line, hide it.
if(is_end && master_system_.hide_left_column) { if(is_end && master_system_.hide_left_column) {
pixel_origin_[0] = pixel_origin_[1] = pixel_origin_[2] = pixel_origin_[3] = pixel_origin_[0] = pixel_origin_[1] = pixel_origin_[2] = pixel_origin_[3] =
pixel_origin_[4] = pixel_origin_[5] = pixel_origin_[6] = pixel_origin_[7] = pixel_origin_[4] = pixel_origin_[5] = pixel_origin_[6] = pixel_origin_[7] =
@ -732,8 +733,4 @@ void Base::draw_sms(int start, int end) {
// //
// pixel_target_[c] = master_system_.colour_ram[value]; // pixel_target_[c] = master_system_.colour_ram[value];
// } // }
// for(int c = start; c < end; ++c) {
// pixel_target_[c] = static_cast<uint32_t>(c * 0x01010101);
// }
} }