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Fix line mode flag, add busy status.

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This commit is contained in:
Thomas Harte 2021-09-26 18:16:00 -04:00
parent 1dfc36f311
commit 759689ff31
1 changed files with 4 additions and 4 deletions
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8
Machines/Amiga/Blitter.cpp
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@ -18,8 +18,8 @@ using namespace Amiga;
void Blitter::set_control(int index, uint16_t value) {
if(index) {
line_mode_ = !(value & 1);
direction_ = (value & 2) ? uint32_t(-1) : uint32_t(1);
line_mode_ = (value & 0x0001);
direction_ = (value & 0x0002) ? uint32_t(-1) : uint32_t(1);
} else {
minterms_ = value & 0xff;
channel_enables_[3] = value & 0x100;
@ -81,8 +81,8 @@ void Blitter::set_data(int channel, uint16_t value) {
}
uint16_t Blitter::get_status() {
LOG("Returned dummy status");
return 0;
LOG("Returned status of " << (height_ ? 0x8000 : 0x0000));
return height_ ? 0x8000 : 0x0000;
}
bool Blitter::advance() {