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Slightly cleans up.

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This commit is contained in:
Thomas Harte 2020-11-21 22:53:26 -05:00
parent 8a805b6ba1
commit 3b2ea37428
1 changed files with 2 additions and 6 deletions
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8
Machines/Apple/AppleIIgs/Video.cpp
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@ -213,7 +213,6 @@ void VideoBase::output_row(int row, int start, int end) {
if(start == start_of_pixels) {
// 640 is the absolute most number of pixels that might be generated
// printf("Begin\n");
next_pixel_ = pixels_ = reinterpret_cast<uint16_t *>(crt_.begin_data(640, 2));
// YUCKY HACK. I do not know when the IIgs fetches its super high-res palette
@ -266,7 +265,6 @@ void VideoBase::output_row(int row, int start, int end) {
}
if(end_of_period == start_of_right_border) {
// printf("Output\n");
crt_.output_data((start_of_right_border - start_of_pixels) * CyclesPerTick, next_pixel_ ? size_t(next_pixel_ - pixels_) : 1);
next_pixel_ = pixels_ = nullptr;
}
@ -467,6 +465,7 @@ uint16_t *VideoBase::output_high_resolution(uint16_t *target, int start, int end
// HACK: bit reverse, for now.
// Because I'd forgotten which order the Apple II serialises bits in, and have predicated too much upon it.
// TODO: undo hack.
source = ((source >> 6) & 0x01) | ((source >> 4) & 0x02) | ((source >> 2) & 0x04) | ((source >> 0) & 0x08) | ((source << 2) & 0x10) | ((source << 4) & 0x20) | ((source << 6) & 0x40);
// TODO: can do this in two multiplies, I think.
@ -488,7 +487,7 @@ uint16_t *VideoBase::output_high_resolution(uint16_t *target, int start, int end
}
// TODO: initial state?
target = output_shift(target, (c * 14) & 3);
target = output_shift(target, (2 + (c * 14)) & 3);
}
return target;
@ -518,9 +517,6 @@ uint16_t *VideoBase::output_shift(uint16_t *target, int phase) const {
const auto raw_bits = (ntsc_shift_ >> (offset + phase_offset)) & 0x0f; \
target[13 - offset] = appleii_palette[rolls[(phase + 13 - offset - phase_offset)&3][raw_bits]]; \
}
//#define OutputPixel(offset) {\
// target[13 - offset] = appleii_palette[(ntsc_shift_ >> offset) & 0xf]; \
//}
OutputPixel(13);
OutputPixel(12);