80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

CL-GD5436 leaves GR0 and GR1 untouched

Browse Source
This commit is contained in:
Cacodemon345
2022-12-21 15:10:19 +06:00
parent 261e20ba73
commit 82c9ce1d21
1 changed files with 6 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/video/vid_cl54xx.c
View File

@@ -894,10 +894,12 @@ gd54xx_out(uint16_t addr, uint8_t val, void *p)
svga->gdcreg[5] &= ~0x04;
svga->writemode = svga->gdcreg[5] & 3;
svga->adv_flags &= (FLAG_EXTRA_BANKS | FLAG_ADDR_BY8 | FLAG_LATCH8);
svga->gdcreg[0] &= 0x0f;
gd543x_mmio_write(0xb8000, svga->gdcreg[0], gd54xx);
svga->gdcreg[1] &= 0x0f;
gd543x_mmio_write(0xb8004, svga->gdcreg[1], gd54xx);
if (svga->crtc[0x27] != CIRRUS_ID_CLGD5436) {
svga->gdcreg[0] &= 0x0f;
gd543x_mmio_write(0xb8000, svga->gdcreg[0], gd54xx);
svga->gdcreg[1] &= 0x0f;
gd543x_mmio_write(0xb8004, svga->gdcreg[1], gd54xx);
}
svga->seqregs[2] &= 0x0f;
}
case 0x09: