src/mess/video/fmtowns.c
| r9150 | r9151 | |
|---|
| 996 | 996 | } |
| 997 | 997 | } |
| 998 | 998 | |
| 999 | if(hzoom == 3) |
| 1000 | { // x3 horizontal zoom |
| 1001 | for(x=rect->min_x;x<rect->max_x;x+=3) |
| 1002 | { |
| 1003 | if(state->video.towns_video_reg[0] & 0x10) |
| 1004 | off &= 0x3ffff; // 2 layers |
| 1005 | else |
| 1006 | off &= 0x7ffff; // 1 layer |
| 1007 | colour = (state->towns_gfxvram[off+(layer*0x40000)+1] << 8) | state->towns_gfxvram[off+(layer*0x40000)]; |
| 1008 | if(colour < 0x8000) |
| 1009 | { |
| 1010 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1011 | ((colour & 0x001f) << 3) |
| 1012 | | ((colour & 0x7c00) << 1) |
| 1013 | | ((colour & 0x03e0) << 14); |
| 1014 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1015 | ((colour & 0x001f) << 3) |
| 1016 | | ((colour & 0x7c00) << 1) |
| 1017 | | ((colour & 0x03e0) << 14); |
| 1018 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1019 | ((colour & 0x001f) << 3) |
| 1020 | | ((colour & 0x7c00) << 1) |
| 1021 | | ((colour & 0x03e0) << 14); |
| 1022 | } |
| 1023 | off+=2; |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | if(hzoom == 4) |
| 1028 | { // x4 horizontal zoom |
| 1029 | for(x=rect->min_x;x<rect->max_x;x+=4) |
| 1030 | { |
| 1031 | if(state->video.towns_video_reg[0] & 0x10) |
| 1032 | off &= 0x3ffff; // 2 layers |
| 1033 | else |
| 1034 | off &= 0x7ffff; // 1 layer |
| 1035 | colour = (state->towns_gfxvram[off+(layer*0x40000)+1] << 8) | state->towns_gfxvram[off+(layer*0x40000)]; |
| 1036 | if(colour < 0x8000) |
| 1037 | { |
| 1038 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1039 | ((colour & 0x001f) << 3) |
| 1040 | | ((colour & 0x7c00) << 1) |
| 1041 | | ((colour & 0x03e0) << 14); |
| 1042 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1043 | ((colour & 0x001f) << 3) |
| 1044 | | ((colour & 0x7c00) << 1) |
| 1045 | | ((colour & 0x03e0) << 14); |
| 1046 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1047 | ((colour & 0x001f) << 3) |
| 1048 | | ((colour & 0x7c00) << 1) |
| 1049 | | ((colour & 0x03e0) << 14); |
| 1050 | *BITMAP_ADDR32(bitmap,scanline,x+3) = |
| 1051 | ((colour & 0x001f) << 3) |
| 1052 | | ((colour & 0x7c00) << 1) |
| 1053 | | ((colour & 0x03e0) << 14); |
| 1054 | } |
| 1055 | off+=2; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 999 | 1059 | if(hzoom == 5) |
| 1000 | 1060 | { // x5 horizontal zoom |
| 1001 | 1061 | for(x=rect->min_x;x<rect->max_x;x+=5) |
| r9150 | r9151 | |
|---|
| 1031 | 1091 | off+=2; |
| 1032 | 1092 | } |
| 1033 | 1093 | } |
| 1034 | | |
| 1035 | 1094 | } |
| 1036 | 1095 | |
| 1037 | 1096 | void towns_crtc_draw_scan_layer_256(running_machine* machine, bitmap_t* bitmap,const rectangle* rect,int layer,int line,int scanline) |
| r9150 | r9151 | |
|---|
| 1116 | 1175 | } |
| 1117 | 1176 | } |
| 1118 | 1177 | |
| 1178 | if(hzoom == 3) |
| 1179 | { // x3 horizontal zoom |
| 1180 | for(x=rect->min_x;x<rect->max_x;x+=3) |
| 1181 | { |
| 1182 | colour = state->towns_gfxvram[off+(layer*0x40000)+1]; |
| 1183 | if(colour != 0) |
| 1184 | { |
| 1185 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1186 | (state->video.towns_palette_r[colour] << 16) |
| 1187 | | (state->video.towns_palette_g[colour] << 8) |
| 1188 | | (state->video.towns_palette_b[colour]); |
| 1189 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1190 | (state->video.towns_palette_r[colour] << 16) |
| 1191 | | (state->video.towns_palette_g[colour] << 8) |
| 1192 | | (state->video.towns_palette_b[colour]); |
| 1193 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1194 | (state->video.towns_palette_r[colour] << 16) |
| 1195 | | (state->video.towns_palette_g[colour] << 8) |
| 1196 | | (state->video.towns_palette_b[colour]); |
| 1197 | } |
| 1198 | off++; |
| 1199 | } |
| 1200 | } |
| 1201 | |
| 1202 | if(hzoom == 4) |
| 1203 | { // x4 horizontal zoom |
| 1204 | for(x=rect->min_x;x<rect->max_x;x+=4) |
| 1205 | { |
| 1206 | colour = state->towns_gfxvram[off+(layer*0x40000)+1]; |
| 1207 | if(colour != 0) |
| 1208 | { |
| 1209 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1210 | (state->video.towns_palette_r[colour] << 16) |
| 1211 | | (state->video.towns_palette_g[colour] << 8) |
| 1212 | | (state->video.towns_palette_b[colour]); |
| 1213 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1214 | (state->video.towns_palette_r[colour] << 16) |
| 1215 | | (state->video.towns_palette_g[colour] << 8) |
| 1216 | | (state->video.towns_palette_b[colour]); |
| 1217 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1218 | (state->video.towns_palette_r[colour] << 16) |
| 1219 | | (state->video.towns_palette_g[colour] << 8) |
| 1220 | | (state->video.towns_palette_b[colour]); |
| 1221 | *BITMAP_ADDR32(bitmap,scanline,x+3) = |
| 1222 | (state->video.towns_palette_r[colour] << 16) |
| 1223 | | (state->video.towns_palette_g[colour] << 8) |
| 1224 | | (state->video.towns_palette_b[colour]); |
| 1225 | } |
| 1226 | off++; |
| 1227 | } |
| 1228 | } |
| 1229 | |
| 1119 | 1230 | if(hzoom == 5) |
| 1120 | 1231 | { // x5 horizontal zoom |
| 1121 | 1232 | for(x=rect->min_x;x<rect->max_x;x+=5) |
| r9150 | r9151 | |
|---|
| 1255 | 1366 | } |
| 1256 | 1367 | } |
| 1257 | 1368 | |
| 1369 | if(hzoom == 3) |
| 1370 | { // x3 horizontal zoom |
| 1371 | for(x=rect->min_x;x<rect->max_x;x+=6) |
| 1372 | { |
| 1373 | if(state->video.towns_video_reg[0] & 0x10) |
| 1374 | off &= 0x3ffff; // 2 layers |
| 1375 | else |
| 1376 | off &= 0x7ffff; // 1 layer |
| 1377 | colour = state->towns_gfxvram[off+(layer*0x40000)] >> 4; |
| 1378 | if(colour != 0) |
| 1379 | { |
| 1380 | *BITMAP_ADDR32(bitmap,scanline,x+3) = |
| 1381 | (state->video.towns_palette_r[colour] << 16) |
| 1382 | | (state->video.towns_palette_g[colour] << 8) |
| 1383 | | (state->video.towns_palette_b[colour]); |
| 1384 | *BITMAP_ADDR32(bitmap,scanline,x+4) = |
| 1385 | (state->video.towns_palette_r[colour] << 16) |
| 1386 | | (state->video.towns_palette_g[colour] << 8) |
| 1387 | | (state->video.towns_palette_b[colour]); |
| 1388 | *BITMAP_ADDR32(bitmap,scanline,x+5) = |
| 1389 | (state->video.towns_palette_r[colour] << 16) |
| 1390 | | (state->video.towns_palette_g[colour] << 8) |
| 1391 | | (state->video.towns_palette_b[colour]); |
| 1392 | } |
| 1393 | colour = state->towns_gfxvram[off+(layer*0x40000)] & 0x0f; |
| 1394 | if(colour != 0) |
| 1395 | { |
| 1396 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1397 | (state->video.towns_palette_r[colour] << 16) |
| 1398 | | (state->video.towns_palette_g[colour] << 8) |
| 1399 | | (state->video.towns_palette_b[colour]); |
| 1400 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1401 | (state->video.towns_palette_r[colour] << 16) |
| 1402 | | (state->video.towns_palette_g[colour] << 8) |
| 1403 | | (state->video.towns_palette_b[colour]); |
| 1404 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1405 | (state->video.towns_palette_r[colour] << 16) |
| 1406 | | (state->video.towns_palette_g[colour] << 8) |
| 1407 | | (state->video.towns_palette_b[colour]); |
| 1408 | } |
| 1409 | off++; |
| 1410 | } |
| 1411 | } |
| 1412 | |
| 1413 | if(hzoom == 4) |
| 1414 | { // x4 horizontal zoom |
| 1415 | for(x=rect->min_x;x<rect->max_x;x+=8) |
| 1416 | { |
| 1417 | if(state->video.towns_video_reg[0] & 0x10) |
| 1418 | off &= 0x3ffff; // 2 layers |
| 1419 | else |
| 1420 | off &= 0x7ffff; // 1 layer |
| 1421 | colour = state->towns_gfxvram[off+(layer*0x40000)] >> 4; |
| 1422 | if(colour != 0) |
| 1423 | { |
| 1424 | *BITMAP_ADDR32(bitmap,scanline,x+4) = |
| 1425 | (state->video.towns_palette_r[colour] << 16) |
| 1426 | | (state->video.towns_palette_g[colour] << 8) |
| 1427 | | (state->video.towns_palette_b[colour]); |
| 1428 | *BITMAP_ADDR32(bitmap,scanline,x+5) = |
| 1429 | (state->video.towns_palette_r[colour] << 16) |
| 1430 | | (state->video.towns_palette_g[colour] << 8) |
| 1431 | | (state->video.towns_palette_b[colour]); |
| 1432 | *BITMAP_ADDR32(bitmap,scanline,x+6) = |
| 1433 | (state->video.towns_palette_r[colour] << 16) |
| 1434 | | (state->video.towns_palette_g[colour] << 8) |
| 1435 | | (state->video.towns_palette_b[colour]); |
| 1436 | *BITMAP_ADDR32(bitmap,scanline,x+7) = |
| 1437 | (state->video.towns_palette_r[colour] << 16) |
| 1438 | | (state->video.towns_palette_g[colour] << 8) |
| 1439 | | (state->video.towns_palette_b[colour]); |
| 1440 | } |
| 1441 | colour = state->towns_gfxvram[off+(layer*0x40000)] & 0x0f; |
| 1442 | if(colour != 0) |
| 1443 | { |
| 1444 | *BITMAP_ADDR32(bitmap,scanline,x) = |
| 1445 | (state->video.towns_palette_r[colour] << 16) |
| 1446 | | (state->video.towns_palette_g[colour] << 8) |
| 1447 | | (state->video.towns_palette_b[colour]); |
| 1448 | *BITMAP_ADDR32(bitmap,scanline,x+1) = |
| 1449 | (state->video.towns_palette_r[colour] << 16) |
| 1450 | | (state->video.towns_palette_g[colour] << 8) |
| 1451 | | (state->video.towns_palette_b[colour]); |
| 1452 | *BITMAP_ADDR32(bitmap,scanline,x+2) = |
| 1453 | (state->video.towns_palette_r[colour] << 16) |
| 1454 | | (state->video.towns_palette_g[colour] << 8) |
| 1455 | | (state->video.towns_palette_b[colour]); |
| 1456 | *BITMAP_ADDR32(bitmap,scanline,x+3) = |
| 1457 | (state->video.towns_palette_r[colour] << 16) |
| 1458 | | (state->video.towns_palette_g[colour] << 8) |
| 1459 | | (state->video.towns_palette_b[colour]); |
| 1460 | } |
| 1461 | off++; |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1258 | 1465 | if(hzoom == 5) |
| 1259 | 1466 | { // x5 horizontal zoom |
| 1260 | 1467 | for(x=rect->min_x;x<rect->max_x;x+=10) |