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tvi990: WIP (nw)

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This commit is contained in:
cracyc 2016-07-24 19:43:11 -05:00
parent aaa98beff2
commit f0dad1a258
1 changed files with 65 additions and 60 deletions
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117
src/mame/drivers/tv990.cpp
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@ -173,73 +173,78 @@ UINT32 tv990_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, c
UINT8 *fontptr; UINT8 *fontptr;
int miny = cliprect.min_y / 16; int miny = cliprect.min_y / 16;
int maxy = cliprect.max_y / 16; int maxy = cliprect.max_y / 16;
int minx = cliprect.min_x / 16;
int maxx = cliprect.max_x / 16;
for (y = miny; y <= maxy; y++) for (y = miny; y <= maxy; y++)
{ {
// this isn't exactly right. // this isn't exactly right.
int i; int i, minx, maxx;
for(i = 0x50; i < 0x68; i++) for(i = 0; i < 8; i++)
{ {
if(tvi1111_regs[i] != 0x1ad5) if(tvi1111_regs[i + 0x50] == 0x1ad5)
break; continue;
}
curchar = &vram[tvi1111_regs[i]];
for (x = minx; x <= maxx; x++) curchar = &vram[tvi1111_regs[i + 0x50]];
{ minx = tvi1111_regs[i + 0x30] >> 8;
fontptr = (UINT8 *)&fontram[(((curchar[x]>>8) & 0xff) + (curchar[x] & 0x40 ? 256 : 0)) * 64]; maxx = tvi1111_regs[i + 0x30] & 0xff;
for (int chary = 0; chary < 16; chary++) if(maxx > 79)
maxx = 79;
for (x = minx; x <= maxx; x++)
{ {
scanline = &bitmap.pix32((y*16)+chary, (x*16)); UINT8 chr = curchar[x - minx] >> 8;
UINT8 attr = curchar[x - minx] & 0xff;
fontptr = (UINT8 *)&fontram[(chr + (attr & 0x40 ? 256 : 0)) * 64];
pixels = *fontptr++; for (int chary = 0; chary < 16; chary++)
pixels2 = *fontptr++;
if((curchar[x] & 0x8) && (chary == 15))
{ {
pixels = 0xff; scanline = &bitmap.pix32((y*16)+chary, (x*16));
pixels2 = 0xff;
}
if (curchar[x] & 0x4) // inverse video? pixels = *fontptr++;
{ pixels2 = *fontptr++;
*scanline++ = invpalette[(pixels>>7)&1]; if((attr & 0x8) && (chary == 15))
*scanline++ = invpalette[(pixels2>>7)&1]; {
*scanline++ = invpalette[(pixels>>6)&1]; pixels = 0xff;
*scanline++ = invpalette[(pixels2>>6)&1]; pixels2 = 0xff;
*scanline++ = invpalette[(pixels>>5)&1]; }
*scanline++ = invpalette[(pixels2>>5)&1];
*scanline++ = invpalette[(pixels>>4)&1]; if (attr & 0x4) // inverse video?
*scanline++ = invpalette[(pixels2>>4)&1]; {
*scanline++ = invpalette[(pixels>>3)&1]; *scanline++ = invpalette[(pixels>>7)&1];
*scanline++ = invpalette[(pixels2>>3)&1]; *scanline++ = invpalette[(pixels2>>7)&1];
*scanline++ = invpalette[(pixels>>2)&1]; *scanline++ = invpalette[(pixels>>6)&1];
*scanline++ = invpalette[(pixels2>>2)&1]; *scanline++ = invpalette[(pixels2>>6)&1];
*scanline++ = invpalette[(pixels>>1)&1]; *scanline++ = invpalette[(pixels>>5)&1];
*scanline++ = invpalette[(pixels2>>1)&1]; *scanline++ = invpalette[(pixels2>>5)&1];
*scanline++ = invpalette[(pixels&1)]; *scanline++ = invpalette[(pixels>>4)&1];
*scanline++ = invpalette[(pixels2&1)]; *scanline++ = invpalette[(pixels2>>4)&1];
} *scanline++ = invpalette[(pixels>>3)&1];
else *scanline++ = invpalette[(pixels2>>3)&1];
{ *scanline++ = invpalette[(pixels>>2)&1];
*scanline++ = palette[(pixels>>7)&1]; *scanline++ = invpalette[(pixels2>>2)&1];
*scanline++ = palette[(pixels2>>7)&1]; *scanline++ = invpalette[(pixels>>1)&1];
*scanline++ = palette[(pixels>>6)&1]; *scanline++ = invpalette[(pixels2>>1)&1];
*scanline++ = palette[(pixels2>>6)&1]; *scanline++ = invpalette[(pixels&1)];
*scanline++ = palette[(pixels>>5)&1]; *scanline++ = invpalette[(pixels2&1)];
*scanline++ = palette[(pixels2>>5)&1]; }
*scanline++ = palette[(pixels>>4)&1]; else
*scanline++ = palette[(pixels2>>4)&1]; {
*scanline++ = palette[(pixels>>3)&1]; *scanline++ = palette[(pixels>>7)&1];
*scanline++ = palette[(pixels2>>3)&1]; *scanline++ = palette[(pixels2>>7)&1];
*scanline++ = palette[(pixels>>2)&1]; *scanline++ = palette[(pixels>>6)&1];
*scanline++ = palette[(pixels2>>2)&1]; *scanline++ = palette[(pixels2>>6)&1];
*scanline++ = palette[(pixels>>1)&1]; *scanline++ = palette[(pixels>>5)&1];
*scanline++ = palette[(pixels2>>1)&1]; *scanline++ = palette[(pixels2>>5)&1];
*scanline++ = palette[(pixels&1)]; *scanline++ = palette[(pixels>>4)&1];
*scanline++ = palette[(pixels2&1)]; *scanline++ = palette[(pixels2>>4)&1];
*scanline++ = palette[(pixels>>3)&1];
*scanline++ = palette[(pixels2>>3)&1];
*scanline++ = palette[(pixels>>2)&1];
*scanline++ = palette[(pixels2>>2)&1];
*scanline++ = palette[(pixels>>1)&1];
*scanline++ = palette[(pixels2>>1)&1];
*scanline++ = palette[(pixels&1)];
*scanline++ = palette[(pixels2&1)];
}
} }
} }
} }