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Restores RGB mode to the Oric. More thought required for composite.

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This commit is contained in:
Thomas Harte 2018-11-28 18:40:43 -08:00
parent 5f90941e4e
commit e39ecf59ef
2 changed files with 43 additions and 26 deletions
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64
Machines/Oric/Video.cpp
View File

@ -45,7 +45,7 @@ VideoOutput::VideoOutput(uint8_t *memory) :
counter_period_(PAL50Period) {
// crt_->set_composite_function_type(Outputs::CRT::CRT::CompositeSourceType::DiscreteFourSamplesPerCycle, 0.0f);
set_display_type(Outputs::Display::DisplayType::CompositeColour);
set_display_type(Outputs::Display::DisplayType::RGB);
crt_.set_visible_area(crt_.get_rect_for_area(54, 224, 16 * 6, 40 * 6, 4.0f / 3.0f));
}
@ -98,7 +98,9 @@ void VideoOutput::run_for(const Cycles cycles) {
paper_ = 0x0;
use_alternative_character_set_ = use_double_height_characters_ = blink_text_ = false;
set_character_set_base_address();
pixel_target_ = reinterpret_cast<uint16_t *>(crt_.begin_data(240));
if(display_type_ == Outputs::Display::DisplayType::RGB) rgb_pixel_target_ = reinterpret_cast<uint8_t *>(crt_.begin_data(240));
else composite_pixel_target_ = reinterpret_cast<uint32_t *>(crt_.begin_data(240));
if(!counter_) {
frame_counter_++;
@ -131,21 +133,28 @@ void VideoOutput::run_for(const Cycles cycles) {
pixels &= blink_mask;
if(control_byte & 0x60) {
if(pixel_target_) {
uint16_t colours[2];
// if(video_signal_ == Outputs::Display::VideoSignal::RGB) {
// colours[0] = static_cast<uint8_t>(paper_ ^ inverse_mask);
// colours[1] = static_cast<uint8_t>(ink_ ^ inverse_mask);
// } else {
// colours[0] = colour_forms_[paper_ ^ inverse_mask];
// colours[1] = colour_forms_[ink_ ^ inverse_mask];
// }
pixel_target_[0] = colours[(pixels >> 5)&1];
pixel_target_[1] = colours[(pixels >> 4)&1];
pixel_target_[2] = colours[(pixels >> 3)&1];
pixel_target_[3] = colours[(pixels >> 2)&1];
pixel_target_[4] = colours[(pixels >> 1)&1];
pixel_target_[5] = colours[(pixels >> 0)&1];
if(display_type_ == Outputs::Display::DisplayType::RGB && rgb_pixel_target_) {
const uint8_t colours[2] = {
uint8_t(paper_ ^ inverse_mask),
uint8_t(ink_ ^ inverse_mask)
};
rgb_pixel_target_[0] = colours[(pixels >> 5)&1];
rgb_pixel_target_[1] = colours[(pixels >> 4)&1];
rgb_pixel_target_[2] = colours[(pixels >> 3)&1];
rgb_pixel_target_[3] = colours[(pixels >> 2)&1];
rgb_pixel_target_[4] = colours[(pixels >> 1)&1];
rgb_pixel_target_[5] = colours[(pixels >> 0)&1];
} else if(display_type_ == Outputs::Display::DisplayType::CompositeColour && composite_pixel_target_) {
const uint32_t colours[2] = {
colour_forms_[paper_ ^ inverse_mask],
colour_forms_[ink_ ^ inverse_mask]
};
composite_pixel_target_[0] = colours[(pixels >> 5)&1];
composite_pixel_target_[1] = colours[(pixels >> 4)&1];
composite_pixel_target_[2] = colours[(pixels >> 3)&1];
composite_pixel_target_[3] = colours[(pixels >> 2)&1];
composite_pixel_target_[4] = colours[(pixels >> 1)&1];
composite_pixel_target_[5] = colours[(pixels >> 0)&1];
}
} else {
switch(control_byte & 0x1f) {
@ -183,19 +192,26 @@ void VideoOutput::run_for(const Cycles cycles) {
default: break;
}
// if(pixel_target_) {
// pixel_target_[0] = pixel_target_[1] =
// pixel_target_[2] = pixel_target_[3] =
// pixel_target_[4] = pixel_target_[5] =
// (video_signal_ == Outputs::Display::VideoSignal::RGB) ? paper_ ^ inverse_mask : colour_forms_[paper_ ^ inverse_mask];
// }
if(display_type_ == Outputs::Display::DisplayType::RGB && rgb_pixel_target_) {
rgb_pixel_target_[0] = rgb_pixel_target_[1] =
rgb_pixel_target_[2] = rgb_pixel_target_[3] =
rgb_pixel_target_[4] = rgb_pixel_target_[5] = paper_ ^ inverse_mask;
} else if(display_type_ == Outputs::Display::DisplayType::CompositeColour && composite_pixel_target_) {
composite_pixel_target_[0] = composite_pixel_target_[1] =
composite_pixel_target_[2] = composite_pixel_target_[3] =
composite_pixel_target_[4] = composite_pixel_target_[5] = colour_forms_[paper_ ^ inverse_mask];
}
}
if(pixel_target_) pixel_target_ += 6;
if(rgb_pixel_target_) rgb_pixel_target_ += 6;
if(composite_pixel_target_) composite_pixel_target_ += 6;
h_counter++;
}
if(h_counter == 40) {
crt_.output_data(40 * 6);
rgb_pixel_target_ = nullptr;
composite_pixel_target_ = nullptr;
}
} else {
// this is a blank line (or the equivalent part of a pixel line)

5
Machines/Oric/Video.hpp
View File

@ -37,8 +37,9 @@ class VideoOutput {
int v_sync_start_position_, v_sync_end_position_, counter_period_;
// Output target and device
uint16_t *pixel_target_;
uint16_t colour_forms_[8];
uint8_t *rgb_pixel_target_;
uint32_t *composite_pixel_target_;
uint32_t colour_forms_[8];
Outputs::Display::DisplayType display_type_;
// Registers