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control: Recalc framebuffer after each change.

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This commit is contained in:
joevt 2024-01-29 17:41:34 -08:00 committed by dingusdev
parent b42437c458
commit 08fca7de69
1 changed files with 35 additions and 2 deletions
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37
devices/video/control.cpp
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@ -312,9 +312,23 @@ void ControlVideo::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
switch (offset >> 4) {
case ControlRegs::PIPE_DELAY:
this->swatch_params[(offset >> 4) - ControlRegs::VFPEQ] = value & 0x3FF;
if (value & ~0x3FF)
LOG_F(ERROR, "%s: write PIPE_DELAY %03x.%c = %0*x", this->name.c_str(), offset, SIZE_ARG(size), size * 2, value);
else
LOG_F(CONTROL, "%s: write PIPE_DELAY %03x.%c = %0*x", this->name.c_str(), offset, SIZE_ARG(size), size * 2, value);
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::HEQ:
this->swatch_params[(offset >> 4) - ControlRegs::VFPEQ] = value & 0xFFU;
if (value & ~0xFFU)
LOG_F(ERROR, "%s: write HEQ %03x.%c = %0*x", this->name.c_str(), offset, SIZE_ARG(size), size * 2, value);
else
LOG_F(CONTROL, "%s: write HEQ %03x.%c = %0*x", this->name.c_str(), offset, SIZE_ARG(size), size * 2, value);
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::VFPEQ:
case ControlRegs::VFP:
@ -331,6 +345,13 @@ void ControlVideo::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
case ControlRegs::HLFLN:
case ControlRegs::HSERR:
this->swatch_params[(offset >> 4) - ControlRegs::VFPEQ] = value & 0xFFF;
if (value & ~0xFFF)
LOG_F(ERROR, "%s: write %s %03x.%c = %0*x", this->name.c_str(), get_name_controlreg(offset), offset, SIZE_ARG(size), size * 2, value);
else
LOG_F(CONTROL, "%s: write %s %03x.%c = %0*x", this->name.c_str(), get_name_controlreg(offset), offset, SIZE_ARG(size), size * 2, value);
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::CNTTST:
if (value)
@ -346,10 +367,13 @@ void ControlVideo::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
if (value & RESET_TIMING) { // count 0-to-1 transitions
this->strobe_counter++;
if (this->strobe_counter >= 2) {
if (value & DISABLE_TIMING)
if (value & DISABLE_TIMING) {
disable_display();
else
this->display_enabled = false;
} else {
enable_display();
this->display_enabled = true;
}
}
}
} else
@ -357,9 +381,15 @@ void ControlVideo::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
break;
case ControlRegs::GBASE:
this->fb_base = value & 0x3FFFE0;
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::ROW_WORDS:
this->row_words = value & 0x7FE0;
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::MON_SENSE: {
uint8_t dirs = ((value >> 3) & 7) ^ 7;
@ -383,6 +413,9 @@ void ControlVideo::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
break;
case ControlRegs::GSC_DIVIDE:
this->clock_divider = value & 3;
if (this->display_enabled) {
this->enable_display();
}
break;
case ControlRegs::REFRESH_COUNT:
LOG_F(9, "Control: VRAM refresh count set to %d", value);