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atimach64gx: Add write ATI_CRTC_VLINE_CRNT_VLINE.

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Maybe for interrupts.
This commit is contained in:
joevt 2024-02-28 15:40:51 -08:00 committed by dingusdev
parent 09becbfb04
commit 2daad2d223
1 changed files with 4 additions and 0 deletions
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4
devices/video/atimach64gx.cpp
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@ -372,6 +372,10 @@ void AtiMach64Gx::write_reg(uint32_t reg_offset, uint32_t value, uint32_t size)
new_value = value;
LOG_F(9, "%s: ATI_CRTC_H_TOTAL_DISP set to 0x%08X", this->name.c_str(), value);
break;
case ATI_CRTC_VLINE_CRNT_VLINE:
new_value = old_value;
insert_bits<uint32_t>(new_value, value, ATI_CRTC_VLINE, ATI_CRTC_VLINE_size);
break;
case ATI_CRTC_OFF_PITCH:
new_value = value;
this->fb_pitch = extract_bits<uint32_t>(new_value, ATI_CRTC_PITCH, ATI_CRTC_PITCH_size) * 8;