diff options
Diffstat (limited to 'src/atidac.c')
| -rw-r--r-- | src/atidac.c | 111 |
1 files changed, 41 insertions, 70 deletions
diff --git a/src/atidac.c b/src/atidac.c index 3153377..f94e8ad 100644 --- a/src/atidac.c +++ b/src/atidac.c @@ -185,20 +185,6 @@ ATIDACPreInit pATIHW->lut[Index2 + 1] = 0x00U; pATIHW->lut[Index2 + 2] = maxColour; } - -#ifndef AVOID_CPIO - - if (pATIHW->crtc == ATI_CRTC_VGA) - { - /* Initialise overscan to black */ - Index = pATIHW->attr[17] * 3; - pATIHW->lut[Index + 0] = - pATIHW->lut[Index + 1] = - pATIHW->lut[Index + 2] = 0x00U; - } - -#endif /* AVOID_CPIO */ - } } @@ -334,6 +320,44 @@ ATIDACSet } /* + * ATISetLUTEntry -- + * + * This function is called to set one of a DAC's LUT entries. + */ +static void +ATISetLUTEntry +( + ATIPtr pATI, + int Index, + CARD8 *LUTEntry +) +{ +#ifdef AVOID_CPIO + + out8(M64_DAC_WRITE, Index); + DACDelay; + out8(M64_DAC_DATA, LUTEntry[0]); + DACDelay; + out8(M64_DAC_DATA, LUTEntry[1]); + DACDelay; + out8(M64_DAC_DATA, LUTEntry[2]); + DACDelay; + +#else /* AVOID_CPIO */ + + outb(pATI->CPIO_DAC_WRITE, Index); + DACDelay; + outb(pATI->CPIO_DAC_DATA, LUTEntry[0]); + DACDelay; + outb(pATI->CPIO_DAC_DATA, LUTEntry[1]); + DACDelay; + outb(pATI->CPIO_DAC_DATA, LUTEntry[2]); + DACDelay; + +#endif /* AVOID_CPIO */ +} + +/* * ATILoadPalette -- * * This function updates the RAMDAC's LUT and the in-memory copy of it in @@ -414,35 +438,8 @@ ATILoadPalette for (Index = 0; Index < (SizeOf(pATI->NewHW.lut) / 3); Index += i, LUTEntry += i * 3) - { - if (!fChanged[Index]) - continue; - -#ifdef AVOID_CPIO - - out8(M64_DAC_WRITE, Index); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[0]); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[1]); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[2]); - DACDelay; - -#else /* AVOID_CPIO */ - - outb(pATI->CPIO_DAC_WRITE, Index); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[0]); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[1]); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[2]); - DACDelay; - -#endif /* AVOID_CPIO */ - - } + if (fChanged[Index]) + ATISetLUTEntry(pATI, Index, LUTEntry); } } else @@ -459,33 +456,7 @@ ATILoadPalette LUTEntry[2] = Colours[Index].blue; if (pScreenInfo->vtSema || pATI->currentMode) - { - -#ifdef AVOID_CPIO - - out8(M64_DAC_WRITE, Index); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[0]); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[1]); - DACDelay; - out8(M64_DAC_DATA, LUTEntry[2]); - DACDelay; - -#else /* AVOID_CPIO */ - - outb(pATI->CPIO_DAC_WRITE, Index); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[0]); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[1]); - DACDelay; - outb(pATI->CPIO_DAC_DATA, LUTEntry[2]); - DACDelay; - -#endif /* AVOID_CPIO */ - - } + ATISetLUTEntry(pATI, Index, LUTEntry); } } } |