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Tandy: Mask palette indexes read from video memories to the lower 4 bits in 16-color modes, fixes #4691.

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OBattler
2024-08-06 04:02:11 +02:00
parent 2f4b260499
commit 58310e02c1
1 changed files with 8 additions and 8 deletions
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16
src/machine/m_tandy.c
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@@ -979,10 +979,10 @@ vid_poll(void *priv)
for (x = 0; x < vid->crtc[1]; x++) {
dat = (vid->vram[((vid->ma << 1) & 0x1fff) + ((vid->sc & 3) * 0x2000)] << 8) | vid->vram[((vid->ma << 1) & 0x1fff) + ((vid->sc & 3) * 0x2000) + 1];
vid->ma++;
buffer32->line[vid->displine << 1][(x << 3) + 8] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 8] = buffer32->line[vid->displine << 1][(x << 3) + 9] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 9] = vid->array[((dat >> 12) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 10] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 10] = buffer32->line[vid->displine << 1][(x << 3) + 11] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 11] = vid->array[((dat >> 8) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 12] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 12] = buffer32->line[vid->displine << 1][(x << 3) + 13] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 13] = vid->array[((dat >> 4) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 14] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 14] = buffer32->line[vid->displine << 1][(x << 3) + 15] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 15] = vid->array[(dat & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 8] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 8] = buffer32->line[vid->displine << 1][(x << 3) + 9] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 9] = vid->array[((dat >> 12) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 10] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 10] = buffer32->line[vid->displine << 1][(x << 3) + 11] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 11] = vid->array[((dat >> 8) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 12] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 12] = buffer32->line[vid->displine << 1][(x << 3) + 13] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 13] = vid->array[((dat >> 4) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 3) + 14] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 14] = buffer32->line[vid->displine << 1][(x << 3) + 15] = buffer32->line[(vid->displine << 1) + 1][(x << 3) + 15] = vid->array[(dat & vid->array[1] & 0x0f) + 16] + 16;
}
} else if (vid->array[3] & 0x10) { /*160x200x16*/
for (x = 0; x < vid->crtc[1]; x++) {
@@ -992,10 +992,10 @@ vid_poll(void *priv)
dat = (vid->vram[((vid->ma << 1) & 0x1fff) + ((vid->sc & 3) * 0x2000)] << 8) | vid->vram[((vid->ma << 1) & 0x1fff) + ((vid->sc & 3) * 0x2000) + 1];
}
vid->ma++;
buffer32->line[vid->displine << 1][(x << 4) + 8] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 8] = buffer32->line[vid->displine << 1][(x << 4) + 9] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 9] = buffer32->line[vid->displine << 1][(x << 4) + 10] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 10] = buffer32->line[vid->displine << 1][(x << 4) + 11] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 11] = vid->array[((dat >> 12) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 12] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 12] = buffer32->line[vid->displine << 1][(x << 4) + 13] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 13] = buffer32->line[vid->displine << 1][(x << 4) + 14] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 14] = buffer32->line[vid->displine << 1][(x << 4) + 15] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 15] = vid->array[((dat >> 8) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 16] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 16] = buffer32->line[vid->displine << 1][(x << 4) + 17] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 17] = buffer32->line[vid->displine << 1][(x << 4) + 18] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 18] = buffer32->line[vid->displine << 1][(x << 4) + 19] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 19] = vid->array[((dat >> 4) & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 20] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 20] = buffer32->line[vid->displine << 1][(x << 4) + 21] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 21] = buffer32->line[vid->displine << 1][(x << 4) + 22] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 22] = buffer32->line[vid->displine << 1][(x << 4) + 23] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 23] = vid->array[(dat & vid->array[1]) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 8] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 8] = buffer32->line[vid->displine << 1][(x << 4) + 9] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 9] = buffer32->line[vid->displine << 1][(x << 4) + 10] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 10] = buffer32->line[vid->displine << 1][(x << 4) + 11] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 11] = vid->array[((dat >> 12) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 12] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 12] = buffer32->line[vid->displine << 1][(x << 4) + 13] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 13] = buffer32->line[vid->displine << 1][(x << 4) + 14] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 14] = buffer32->line[vid->displine << 1][(x << 4) + 15] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 15] = vid->array[((dat >> 8) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 16] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 16] = buffer32->line[vid->displine << 1][(x << 4) + 17] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 17] = buffer32->line[vid->displine << 1][(x << 4) + 18] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 18] = buffer32->line[vid->displine << 1][(x << 4) + 19] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 19] = vid->array[((dat >> 4) & vid->array[1] & 0x0f) + 16] + 16;
buffer32->line[vid->displine << 1][(x << 4) + 20] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 20] = buffer32->line[vid->displine << 1][(x << 4) + 21] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 21] = buffer32->line[vid->displine << 1][(x << 4) + 22] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 22] = buffer32->line[vid->displine << 1][(x << 4) + 23] = buffer32->line[(vid->displine << 1) + 1][(x << 4) + 23] = vid->array[(dat & vid->array[1] & 0x0f) + 16] + 16;
}
} else if (vid->array[3] & 0x08) { /*640x200x4 - this implementation is a complete guess!*/
for (x = 0; x < vid->crtc[1]; x++) {