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Restored white background and attempted to correct output timing deficiencies. Incomplete success.

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This commit is contained in:
Thomas Harte 2017-06-05 23:50:04 -04:00
parent 2fbc7a2869
commit 97f3ff03b6
1 changed files with 5 additions and 3 deletions
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8
Machines/ZX8081/ZX8081.cpp
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@ -149,13 +149,13 @@ void Machine::update_sync() {
void Machine::output_level(unsigned int number_of_cycles) { void Machine::output_level(unsigned int number_of_cycles) {
uint8_t *colour_pointer = (uint8_t *)crt_->allocate_write_area(1); uint8_t *colour_pointer = (uint8_t *)crt_->allocate_write_area(1);
if(colour_pointer) *colour_pointer = 0; if(colour_pointer) *colour_pointer = 0xff;
crt_->output_level(number_of_cycles); crt_->output_level(number_of_cycles);
} }
void Machine::output_data() { void Machine::output_data() {
unsigned int data_length = (unsigned int)(line_data_pointer_ - line_data_) * 4; unsigned int data_length = (unsigned int)(line_data_pointer_ - line_data_);
crt_->output_data(data_length, 4); crt_->output_data(data_length, 1);
line_data_pointer_ = line_data_ = nullptr; line_data_pointer_ = line_data_ = nullptr;
cycles_since_display_update_ -= data_length; cycles_since_display_update_ -= data_length;
} }
@ -165,6 +165,8 @@ void Machine::output_byte(uint8_t byte) {
if(cycles_since_display_update_ > 4) { if(cycles_since_display_update_ > 4) {
output_data(); output_data();
} }
} else {
output_level(cycles_since_display_update_);
} }
if(!line_data_) { if(!line_data_) {