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Ensures no border output if space is not allocated.

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This commit is contained in:
Thomas Harte 2018-11-14 22:32:33 -05:00
parent 3eab1f8f7c
commit 15b1176841
1 changed files with 6 additions and 2 deletions
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8
Components/9918/9918.cpp
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@ -471,14 +471,18 @@ void Base::output_border(int cycles, uint32_t cram_dot) {
if(cram_dot) {
uint32_t *const pixel_target = reinterpret_cast<uint32_t *>(crt_.begin_data(1));
*pixel_target = border_colour | cram_dot;
if(pixel_target) {
*pixel_target = border_colour | cram_dot;
}
crt_.output_level(4);
cycles -= 4;
}
if(cycles) {
uint32_t *const pixel_target = reinterpret_cast<uint32_t *>(crt_.begin_data(1));
*pixel_target = border_colour;
if(pixel_target) {
*pixel_target = border_colour;
}
crt_.output_level(cycles);
}
}