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Merge pull request #2412 from 86Box/tc1995

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EGA fixes to its renderer.
This commit is contained in:
Miran Grča
2022-06-26 23:17:40 +02:00
committed by GitHub
parent bcc1fdb7bc 7ca64ced86
commit c17a3503e2
1 changed files with 94 additions and 114 deletions
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20
src/video/vid_ega_render.c
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@@ -254,14 +254,10 @@ ega_render_2bpp_lowres(ega_t *ega)
int x; int x;
uint8_t dat[2]; uint8_t dat[2];
uint32_t addr, *p; uint32_t addr, *p;
uint32_t changed_addr;
if ((ega->displine + ega->y_add) < 0) if ((ega->displine + ega->y_add) < 0)
return; return;
changed_addr = ega->remap_func(ega, ega->ma);
if (fullchange) {
p = &buffer32->line[ega->displine + ega->y_add][ega->x_add]; p = &buffer32->line[ega->displine + ega->y_add][ega->x_add];
if (ega->firstline_draw == 2000) if (ega->firstline_draw == 2000)
@@ -294,7 +290,6 @@ ega_render_2bpp_lowres(ega_t *ega)
p += 16; p += 16;
} }
}
} }
@@ -304,14 +299,10 @@ ega_render_2bpp_highres(ega_t *ega)
int x; int x;
uint8_t dat[2]; uint8_t dat[2];
uint32_t addr, *p; uint32_t addr, *p;
uint32_t changed_addr;
if ((ega->displine + ega->y_add) < 0) if ((ega->displine + ega->y_add) < 0)
return; return;
changed_addr = ega->remap_func(ega, ega->ma);
if (fullchange) {
p = &buffer32->line[ega->displine + ega->y_add][ega->x_add]; p = &buffer32->line[ega->displine + ega->y_add][ega->x_add];
if (ega->firstline_draw == 2000) if (ega->firstline_draw == 2000)
@@ -344,7 +335,6 @@ ega_render_2bpp_highres(ega_t *ega)
p += 8; p += 8;
} }
}
} }
@@ -354,14 +344,10 @@ ega_render_4bpp_lowres(ega_t *ega)
int x, oddeven; int x, oddeven;
uint8_t dat, edat[4]; uint8_t dat, edat[4];
uint32_t addr, *p; uint32_t addr, *p;
uint32_t changed_addr;
if ((ega->displine + ega->y_add) < 0) if ((ega->displine + ega->y_add) < 0)
return; return;
changed_addr = ega->remap_func(ega, ega->ma);
if (fullchange) {
p = &buffer32->line[ega->displine + ega->y_add][ega->x_add]; p = &buffer32->line[ega->displine + ega->y_add][ega->x_add];
if (ega->firstline_draw == 2000) if (ega->firstline_draw == 2000)
@@ -402,7 +388,6 @@ ega_render_4bpp_lowres(ega_t *ega)
p += 16; p += 16;
} }
}
} }
@@ -412,14 +397,10 @@ ega_render_4bpp_highres(ega_t *ega)
int x, oddeven; int x, oddeven;
uint8_t dat, edat[4]; uint8_t dat, edat[4];
uint32_t addr, *p; uint32_t addr, *p;
uint32_t changed_addr;
if ((ega->displine + ega->y_add) < 0) if ((ega->displine + ega->y_add) < 0)
return; return;
changed_addr = ega->remap_func(ega, ega->ma);
if (fullchange) {
p = &buffer32->line[ega->displine + ega->y_add][ega->x_add]; p = &buffer32->line[ega->displine + ega->y_add][ega->x_add];
if (ega->firstline_draw == 2000) if (ega->firstline_draw == 2000)
@@ -460,5 +441,4 @@ ega_render_4bpp_highres(ega_t *ega)
p += 8; p += 8;
} }
}
} }