-/*\r
- TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2007.02.08 -\r
-\r
- [ display ]\r
-*/\r
-\r
-#include "display.h"\r
-#include "../../fileio.h"\r
-\r
-void DISPLAY::initialize()\r
-{\r
- scanline = config.scan_line;\r
- \r
- // load rom image\r
- FILEIO* fio = new FILEIO();\r
- if(fio->Fopen(emu->bios_path(_T("FONT.ROM")), FILEIO_READ_BINARY)) {\r
- fio->Fread(font, sizeof(font), 1);\r
- fio->Fclose();\r
- }\r
- delete fio;\r
- \r
- // create pc palette\r
-#ifdef _LCD\r
- for(int i = 1; i < 8; i++) {\r
- palette_pc[i] = RGB_COLOR(48, 56, 16);\r
- }\r
- palette_pc[0] = RGB_COLOR(160, 168, 160);\r
-#else\r
- for(int i = 0; i < 8; i++) {\r
- palette_pc[i] = RGB_COLOR((i & 2) ? 255 : 0, (i & 4) ? 255 : 0, (i & 1) ? 255 : 0);\r
- }\r
-#endif\r
- \r
- // initialize\r
- for(int i = 0; i < 16; i++) {\r
- pal[i] = i & 7;\r
- }\r
- mode = text_page = 0;\r
- cblink = flash_cnt = 0;\r
- blink = pal_dis = false;\r
- \r
- // register event\r
- register_frame_event(this);\r
-}\r
-\r
-void DISPLAY::update_config()\r
-{\r
- scanline = config.scan_line;\r
-}\r
-\r
-void DISPLAY::write_signal(int id, uint32 data, uint32 mask)\r
-{\r
- if(id == SIG_DISPLAY_I8255_0_A) {\r
- mode = data;\r
- } else if(id == SIG_DISPLAY_I8255_1_B) {\r
- text_page = (data >> 4) & 7;\r
- } else if(id == SIG_DISPLAY_I8255_1_C) {\r
- blink = ((data & 0x20) != 0);\r
- pal_dis = ((data & 8) != 0);\r
- }\r
-}\r
-\r
-void DISPLAY::event_frame()\r
-{\r
- cblink = (cblink + 1) & 0x1f;\r
-}\r
-\r
-void DISPLAY::draw_screen()\r
-{\r
- // clear screen buffer\r
- memset(screen, 0, sizeof(screen));\r
- \r
-#ifdef _LCD\r
- if((regs[8] & 0x30) != 0x30) {\r
- // render screen\r
- uint16 src = ((regs[12] << 11) | (regs[13] << 3)) & 0x3ff8;\r
- if((regs[8] & 0xc0) == 0xc0) {\r
- cursor = -1;\r
- } else {\r
- cursor = ((regs[14] << 11) | (regs[15] << 3)) & 0x3ff8;\r
- }\r
- \r
- switch(mode & 0xa0) {\r
- case 0x00: // text, wide\r
- case 0x20: // text, normal\r
- draw_text_lcd(src);\r
- break;\r
- case 0x80: // fine graph, wide\r
- case 0xa0: // fine graph, normal\r
- draw_fine_lcd(src);\r
- break;\r
- }\r
- }\r
- \r
- // copy to real screen\r
- for(int y = 0; y < 64; y++) {\r
- scrntype* dest0 = emu->screen_buffer(y * 2 + 0);\r
- scrntype* dest1 = emu->screen_buffer(y * 2 + 1);\r
- uint8* src = screen[y];\r
- \r
- for(int x = 0; x < 320; x++) {\r
- dest0[x] = palette_pc[src[x] & 7];\r
- }\r
- if(scanline) {\r
- for(int x = 0; x < 320; x++) {\r
- dest1[x] = palette_pc[0];\r
- }\r
- } else {\r
- memcpy(dest1, dest0, 320 * sizeof(scrntype));\r
- }\r
- }\r
-#else\r
- if((regs[8] & 0x30) != 0x30) {\r
- // sync check\r
- uint16 flash = 0;\r
- if(mode & 0x20) {\r
- if(regs[0] < 106 || 118 < regs[0] || 113 < regs[2]) {\r
- flash = 0xffff;\r
- }\r
- flash_cnt -= 320;\r
- } else {\r
- if(regs[0] < 53 || 58 < regs[0] || 56 < regs[2]) {\r
- flash = 0xffff;\r
- }\r
- flash_cnt -= 160;\r
- }\r
- if(regs[4] < 27 || 32 < regs[4] || 16 < regs[5] || 32 < regs[7]) {\r
- flash = 0xffff;\r
- }\r
- if((regs[8] & 3) == 3 || (regs[9] != 7 && regs[9] != 6)) {\r
- flash = 0xffff;\r
- }\r
- uint16 src = (((regs[12] << 11) | (regs[13] << 3)) + (flash_cnt & flash)) & 0x3ff8;\r
- if((regs[8] & 0xc0) == 0xc0) {\r
- cursor = -1;\r
- } else {\r
- cursor = ((regs[14] << 11) | (regs[15] << 3)) & 0x3ff8;\r
- }\r
- \r
- // render screen\r
- if((flash != 0) || (regs[8] & 0x30) != 0x30) {\r
- switch(mode & 0xa0) {\r
- case 0x00:\r
- // text, wide\r
- draw_text_wide(src);\r
- flash_cnt += 40;\r
- break;\r
- case 0x20:\r
- // text, normal\r
- draw_text_normal(src);\r
- break;\r
- case 0x80:\r
- // fine graph, wide\r
- draw_fine_wide(src);\r
- break;\r
- case 0xa0:\r
- // fine graph, normal\r
- draw_fine_normal(src);\r
- break;\r
- }\r
- }\r
- }\r
- \r
- // copy to real screen\r
- for(int y = 0; y < 200; y++) {\r
- scrntype* dest0 = emu->screen_buffer(y * 2 + 0);\r
- scrntype* dest1 = emu->screen_buffer(y * 2 + 1);\r
- uint8* src = screen[y];\r
- \r
- for(int x = 0; x < 640; x++) {\r
- dest0[x] = palette_pc[src[x] & 7];\r
- }\r
- if(scanline) {\r
-// for(int x = 0; x < 640; x++) {\r
-// dest1[x] = palette_pc[0];\r
-// }\r
- memset(dest1, 0, 640 * sizeof(scrntype));\r
- } else {\r
- memcpy(dest1, dest0, 640 * sizeof(scrntype));\r
- }\r
- }\r
-#endif\r
- emu->screen_skip_line = true;\r
-}\r
-\r
-void DISPLAY::draw_text_normal(uint16 src)\r
-{\r
- // text mode, normal char (80chars)\r
- uint16 src_t = (src & 0x3ff8) + text_page;\r
- int maxx = 79, maxy = 24, hsync_pos = 92, vsync_pos = 28;\r
- int _maxx = maxx + 36, _minx = -36;\r
- int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];\r
- int endx = regs[1] + homex, endy = regs[6] + homey;\r
- int _dstx, dstx = homex, dsty = homey;\r
- \r
- for(int y = 0; y < 200; y += 8) {\r
- for(int x = 0; x < 80; x++, dstx++, src = (src + 8) & 0x3ff8, src_t = (src_t + 8) & 0x3fff) {\r
- if(dstx >= endx) {\r
- dstx = homex;\r
- dsty++;\r
- }\r
- if(dsty >= endy) {\r
- // exit x and y loop\r
- y = 200;\r
- break;\r
- }\r
- if((dsty < 0)||(dsty > maxy)) {\r
- continue;\r
- }\r
- _dstx = dstx;\r
- if((regs[8] & 0x30) == 0x10) {\r
- if(dstx == 0) {\r
- _dstx = 1;\r
- }\r
- if(dstx == 1) {\r
- continue;\r
- }\r
- }\r
- if((regs[8] & 0x30) == 0x20) {\r
- if((dstx == 0) || (dstx == 1)) {\r
- continue;\r
- }\r
- }\r
- if(dstx <= _minx) {\r
- _dstx = maxx - (dstx - _minx);\r
- }\r
- if(dstx >= _maxx) {\r
- _dstx = dstx - _maxx;\r
- }\r
- if((_dstx < 0)||(_dstx > maxx)) {\r
- continue;\r
- }\r
- uint8 code = vram_g[src_t];\r
- uint8 attr = vram_a[src_t];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- uint8 p = pal_dis ? 0 : 0xff;\r
- \r
- for(int l = 0; l < 8; l++) {\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = font_base[l];\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if((mode & 8) && !(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- uint8* d = &screen[(dsty << 3) + l][_dstx << 3];\r
- \r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;\r
- d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;\r
- d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;\r
- d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;\r
- d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;\r
- d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;\r
- d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;\r
- d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;\r
- d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);\r
- }\r
- if(src == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[(dsty << 3) + i][_dstx << 3], 7, 8);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-}\r
-\r
-void DISPLAY::draw_text_wide(uint16 src)\r
-{\r
- // text mode, wide char (40chars)\r
- uint16 src_t = (src & 0x3ff8) + text_page;\r
- int maxx = 39, maxy = 24, hsync_pos = 47, vsync_pos = 28;\r
- int _maxx = maxx + 18, _minx = -18;\r
- int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];\r
- int endx = regs[1] + homex, endy = regs[6] + homey;\r
- int _dstx, dstx = homex, dsty = homey;\r
- \r
- for(int y = 0; y < 200; y += 8) {\r
- for(int x = 0; x < 40; x++, dstx++, src = (src + 8) & 0x3ff8, src_t = (src_t + 8) & 0x3fff) {\r
- if(dstx >= endx) {\r
- dstx = homex;\r
- dsty++;\r
- }\r
- if(dsty >= endy) {\r
- // exit x and y loop\r
- y = 200;\r
- break;\r
- }\r
- if((dsty < 0)||(dsty > maxy)) {\r
- continue;\r
- }\r
- _dstx = dstx;\r
- if((regs[8] & 0x30) == 0x10) {\r
- if(dstx == 0) {\r
- _dstx = 1;\r
- }\r
- if(dstx == 1) {\r
- continue;\r
- }\r
- }\r
- if((regs[8] & 0x30) == 0x20) {\r
- if((dstx == 0) || (dstx == 1)) {\r
- continue;\r
- }\r
- }\r
- if(dstx <= _minx) {\r
- _dstx = maxx - (dstx - _minx);\r
- }\r
- if(dstx >= _maxx) {\r
- _dstx = dstx - _maxx;\r
- }\r
- if((_dstx < 0)||(_dstx > maxx)) {\r
- continue;\r
- }\r
- \r
- uint8 code = vram_g[src_t];\r
- uint8 attr = vram_a[src_t];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- uint8 p = pal_dis ? 0 : 0xff;\r
- \r
- for(int l = 0; l < 8; l++) {\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = font_base[l];\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if((mode & 8) && !(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- uint8* d = &screen[(dsty << 3) + l][_dstx << 4];\r
- \r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6);\r
- d[ 0] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x80) ? c_t : (pal[c | 0] & 7);\r
- d[ 1] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x80) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5);\r
- d[ 2] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x40) ? c_t : (pal[c | 0] & 7);\r
- d[ 3] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x40) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4);\r
- d[ 4] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x20) ? c_t : (pal[c | 0] & 7);\r
- d[ 5] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x20) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3);\r
- d[ 6] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x10) ? c_t : (pal[c | 0] & 7);\r
- d[ 7] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x10) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2);\r
- d[ 8] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x08) ? c_t : (pal[c | 0] & 7);\r
- d[ 9] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x08) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1);\r
- d[10] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x04) ? c_t : (pal[c | 0] & 7);\r
- d[11] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x04) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0);\r
- d[12] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x02) ? c_t : (pal[c | 0] & 7);\r
- d[13] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x02) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1);\r
- d[14] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x01) ? c_t : (pal[c | 0] & 7);\r
- d[15] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x01) ? c_t : (pal[c | 8] & 7);\r
- }\r
- if(src == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[(dsty << 3) + i][_dstx << 4], 7, 16);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-}\r
-\r
-void DISPLAY::draw_fine_normal(uint16 src)\r
-{\r
- // fine graph mode, normal char (80chars)\r
- int maxx = 79, maxy = 24, hsync_pos = 92, vsync_pos = 28;\r
- int _maxx = maxx + 36, _minx = -36;\r
- int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];\r
- int endx = regs[1] + homex, endy = regs[6] + homey;\r
- int _dstx, dstx = homex, dsty = homey;\r
- \r
- for(int y = 0; y < 200; y += 8) {\r
- for(int x = 0; x < 80; x++, dstx++, src = (src + 8) & 0x3ff8) {\r
- if(dstx >= endx) {\r
- dstx = homex;\r
- dsty++;\r
- }\r
- if(dsty >= endy) {\r
- // exit x and y loop\r
- y = 200;\r
- break;\r
- }\r
- if((dsty < 0)||(dsty > maxy)) {\r
- continue;\r
- }\r
- _dstx = dstx;\r
- if((regs[8] & 0x30) == 0x10) {\r
- if(dstx == 0) {\r
- _dstx = 1;\r
- }\r
- if(dstx == 1) {\r
- continue;\r
- }\r
- }\r
- if((regs[8] & 0x30) == 0x20) {\r
- if((dstx == 0) || (dstx == 1)) {\r
- continue;\r
- }\r
- }\r
- if(dstx <= _minx) {\r
- _dstx = maxx - (dstx - _minx);\r
- }\r
- if(dstx >= _maxx) {\r
- _dstx = dstx - _maxx;\r
- }\r
- if((_dstx < 0)||(_dstx > maxx)) {\r
- continue;\r
- }\r
- \r
- for(int l = 0; l < 8; l++) {\r
- uint8 code = vram_g[src + l];\r
- uint8 attr = vram_a[src + l];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- uint8 p = pal_dis ? 0 : 0xff;\r
- uint8* d = &screen[(dsty << 3) + l][_dstx << 3];\r
- \r
- if(attr & 8) {\r
- // dot mode\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = vram_g[src + l] & p;\r
- \r
- d[0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;\r
- d[1] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;\r
- d[2] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;\r
- d[3] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;\r
- d[4] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;\r
- d[5] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;\r
- d[6] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;\r
- d[7] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;\r
- } else {\r
- // text\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = font_base[l];\r
- if(mode & 8) {\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if(!(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- }\r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;\r
- d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;\r
- d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;\r
- d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;\r
- d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;\r
- d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;\r
- d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;\r
- d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;\r
- d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);\r
- }\r
- }\r
- if(src == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[(dsty << 3) + i][_dstx << 3], 7, 8);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-}\r
-\r
-void DISPLAY::draw_fine_wide(uint16 src)\r
-{\r
- // fine graph mode, wide char (40chars)\r
- int maxx = 39, maxy = 24, hsync_pos = 47, vsync_pos = 28; //WIDTH 40\r
- int _maxx = maxx + 18, _minx = -18; //WIDTH 40\r
- int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];\r
- int endx = regs[1] + homex, endy = regs[6] + homey;\r
- int _dstx, dstx = homex, dsty = homey;\r
- \r
- for(int y = 0; y < 200; y += 8) {\r
- for(int x = 0; x < 40; x++, dstx++, src = (src + 8) & 0x3ff8) {\r
- if(dstx >= endx) {\r
- dstx = homex;\r
- dsty++;\r
- }\r
- if(dsty >= endy) {\r
- // exit x and y loop\r
- y = 200;\r
- break;\r
- }\r
- if((dsty < 0)||(dsty > maxy)) {\r
- continue;\r
- }\r
- _dstx = dstx;\r
- if((regs[8] & 0x30) == 0x10) {\r
- if(dstx == 0) {\r
- _dstx = 1;\r
- }\r
- if(dstx == 1) {\r
- continue;\r
- }\r
- }\r
- if((regs[8] & 0x30) == 0x20) {\r
- if((dstx == 0) || (dstx == 1)) {\r
- continue;\r
- }\r
- }\r
- if(dstx <= _minx) {\r
- _dstx = maxx - (dstx - _minx);\r
- }\r
- if(dstx >= _maxx) {\r
- _dstx = dstx - _maxx;\r
- }\r
- if((_dstx < 0)||(_dstx > maxx)) {\r
- continue;\r
- }\r
- \r
- for(int l = 0; l < 8; l++) {\r
- uint8 code = vram_g[src + l];\r
- uint8 attr = vram_a[src + l];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- uint8 p = pal_dis ? 0 : 0xff;\r
- uint8* d = &screen[(dsty << 3) + l][_dstx << 4];\r
- \r
- if(attr & 8) {\r
- // dot mode\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = vram_g[src + l] & p;\r
- \r
- d[ 0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;\r
- d[ 1] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 8] & 7;\r
- d[ 2] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 0] & 7;\r
- d[ 3] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;\r
- d[ 4] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;\r
- d[ 5] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 8] & 7;\r
- d[ 6] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 0] & 7;\r
- d[ 7] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;\r
- d[ 8] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;\r
- d[ 9] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 8] & 7;\r
- d[10] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 0] & 7;\r
- d[11] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;\r
- d[12] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;\r
- d[13] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 8] & 7;\r
- d[14] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 0] & 7;\r
- d[15] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;\r
- } else {\r
- // text\r
- uint8 p1 = vram_b[src + l] & p;\r
- uint8 p2 = vram_r[src + l] & p;\r
- uint8 p3 = font_base[l];\r
- if(mode & 8) {\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if(!(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- }\r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6);\r
- d[ 0] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x80) ? c_t : (pal[c | 0] & 7);\r
- d[ 1] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x80) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5);\r
- d[ 2] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x40) ? c_t : (pal[c | 0] & 7);\r
- d[ 3] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x40) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4);\r
- d[ 4] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x20) ? c_t : (pal[c | 0] & 7);\r
- d[ 5] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x20) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3);\r
- d[ 6] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x10) ? c_t : (pal[c | 0] & 7);\r
- d[ 7] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x10) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2);\r
- d[ 8] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x08) ? c_t : (pal[c | 0] & 7);\r
- d[ 9] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x08) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1);\r
- d[10] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x04) ? c_t : (pal[c | 0] & 7);\r
- d[11] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x04) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0);\r
- d[12] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x02) ? c_t : (pal[c | 0] & 7);\r
- d[13] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x02) ? c_t : (pal[c | 8] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1);\r
- d[14] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x01) ? c_t : (pal[c | 0] & 7);\r
- d[15] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x01) ? c_t : (pal[c | 8] & 7);\r
- }\r
- }\r
- if(src == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[(dsty << 3) + i][_dstx << 4], 7, 16);\r
- }\r
- }\r
- }\r
- }\r
- }\r
-}\r
-\r
-void DISPLAY::draw_text_lcd(uint16 src)\r
-{\r
- // text mode, nomarl char (80chars)\r
- for(int y = 0, yy = 0; y < 64; y += 8, yy++) {\r
- int src_g = (src + 640 * (yy & 3) + (yy & 4 ? 8 : 0)) & 0x3ff8;\r
- int src_t = src_g;// + text_page;\r
- \r
- for(int x = 0; x < 40; x++) {\r
- uint8 code = vram_g[src_t];\r
- uint8 attr = vram_a[src_t];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- \r
- for(int l = 0; l < 8; l++) {\r
- uint8 p1 = vram_b[src_g + l];\r
- uint8 p2 = vram_r[src_g + l];\r
- uint8 p3 = font_base[l];\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if((mode & 8) && !(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- uint8* d = &screen[y + l][x << 3];\r
- \r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;\r
- d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;\r
- d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;\r
- d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;\r
- d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;\r
- d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;\r
- d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;\r
- d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;\r
- d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);\r
- }\r
- if(src_g == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[y + i][x << 3], 7, 8);\r
- }\r
- }\r
- }\r
- src_g = (src_g + 16) & 0x3ff8;\r
- src_t = (src_t + 16) & 0x3fff;\r
- }\r
- }\r
-}\r
-\r
-void DISPLAY::draw_fine_lcd(uint16 src)\r
-{\r
- // fine graph mode, normal char (80chars)\r
- for(int y = 0, yy = 0; y < 64; y += 8, yy++) {\r
- int src_g = (src + 640 * (yy & 3) + (yy & 4 ? 8 : 0)) & 0x3ff8;\r
- \r
- for(int x = 0; x < 80; x++) {\r
- uint8 code = vram_g[src_g];\r
- uint8 attr = vram_a[src_g];\r
- uint8 c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);\r
- uint8* font_base = &font[code << 3];\r
- \r
- if(attr & 8) {\r
- // dot mode\r
- for(int l = 0; l < 8; l++) {\r
- uint8 p1 = vram_b[src_g + l];\r
- uint8 p2 = vram_r[src_g + l];\r
- uint8 p3 = vram_g[src_g + l];\r
- uint8* d = &screen[y + l][x << 3];\r
- \r
- d[0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;\r
- d[1] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;\r
- d[2] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;\r
- d[3] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;\r
- d[4] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;\r
- d[5] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;\r
- d[6] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;\r
- d[7] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;\r
- }\r
- } else {\r
- // text\r
- for(int l = 0; l < 8; l++) {\r
- uint8 p1 = vram_b[src_g + l];\r
- uint8 p2 = vram_r[src_g + l];\r
- uint8 p3 = font_base[l];\r
- if(mode & 8) {\r
- // negative, blink\r
- if(attr & 8) {\r
- p3 = ~p3;\r
- }\r
- if(!(attr & 4) && blink) {\r
- p3 = 0;\r
- }\r
- }\r
- uint8* d = &screen[y + l][x << 3];\r
- \r
- c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;\r
- d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;\r
- d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;\r
- d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;\r
- d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;\r
- d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;\r
- d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;\r
- d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);\r
- c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;\r
- d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);\r
- }\r
- }\r
- if(src_g == cursor) {\r
- int bp = regs[10] & 0x60;\r
- if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {\r
- for(int i = (regs[10] & 7); i < 8; i++) {\r
- memset(&screen[y + i][x << 3], 7, 8);\r
- }\r
- }\r
- }\r
- src_g = (src_g + 16) & 0x3ff8;\r
- }\r
- }\r
-}\r
-\r
+/*
+ TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'
+
+ Author : Takeda.Toshiya
+ Date : 2007.02.08 -
+
+ [ display ]
+*/
+
+#include "display.h"
+
+void DISPLAY::initialize()
+{
+ // load rom image
+ FILEIO* fio = new FILEIO();
+ if(fio->Fopen(create_local_path(_T("FONT.ROM")), FILEIO_READ_BINARY)) {
+ fio->Fread(font, sizeof(font), 1);
+ fio->Fclose();
+ }
+ delete fio;
+
+ // create pc palette
+#ifdef _LCD
+ for(int i = 1; i < 8; i++) {
+ palette_pc[i] = RGB_COLOR(48, 56, 16);
+ }
+ palette_pc[0] = RGB_COLOR(160, 168, 160);
+#else
+ for(int i = 0; i < 8; i++) {
+ palette_pc[i] = RGB_COLOR((i & 2) ? 255 : 0, (i & 4) ? 255 : 0, (i & 1) ? 255 : 0);
+ }
+#endif
+
+ // initialize
+ for(int i = 0; i < 16; i++) {
+ pal[i] = i & 7;
+ }
+ mode = text_page = 0;
+ cblink = flash_cnt = 0;
+ blink = pal_dis = false;
+
+ // register event
+ register_frame_event(this);
+}
+
+void DISPLAY::write_signal(int id, uint32_t data, uint32_t mask)
+{
+ if(id == SIG_DISPLAY_I8255_0_A) {
+ mode = data;
+ } else if(id == SIG_DISPLAY_I8255_1_B) {
+ text_page = (data >> 4) & 7;
+ } else if(id == SIG_DISPLAY_I8255_1_C) {
+ blink = ((data & 0x20) != 0);
+ pal_dis = ((data & 8) != 0);
+ }
+}
+
+void DISPLAY::event_frame()
+{
+ cblink = (cblink + 1) & 0x1f;
+}
+
+void DISPLAY::draw_screen()
+{
+ // clear screen buffer
+ memset(screen, 0, sizeof(screen));
+
+#ifdef _LCD
+ if((regs[8] & 0x30) != 0x30) {
+ // render screen
+ uint16_t src = ((regs[12] << 11) | (regs[13] << 3)) & 0x3ff8;
+ if((regs[8] & 0xc0) == 0xc0) {
+ cursor = -1;
+ } else {
+ cursor = ((regs[14] << 11) | (regs[15] << 3)) & 0x3ff8;
+ }
+
+ switch(mode & 0xa0) {
+ case 0x00: // text, wide
+ case 0x20: // text, normal
+ draw_text_lcd(src);
+ break;
+ case 0x80: // fine graph, wide
+ case 0xa0: // fine graph, normal
+ draw_fine_lcd(src);
+ break;
+ }
+ }
+
+ // copy to real screen
+ emu->set_vm_screen_lines(64);
+ for(int y = 0; y < 64; y++) {
+ scrntype_t* dest0 = emu->get_screen_buffer(y * 2 + 0);
+ scrntype_t* dest1 = emu->get_screen_buffer(y * 2 + 1);
+ uint8_t* src = screen[y];
+
+ for(int x = 0; x < 320; x++) {
+ dest0[x] = palette_pc[src[x] & 7];
+ }
+ if(config.scan_line) {
+ for(int x = 0; x < 320; x++) {
+ dest1[x] = palette_pc[0];
+ }
+ } else {
+ memcpy(dest1, dest0, 320 * sizeof(scrntype_t));
+ }
+ }
+#else
+ if((regs[8] & 0x30) != 0x30) {
+ // sync check
+ uint16_t flash = 0;
+ if(mode & 0x20) {
+ if(regs[0] < 106 || 118 < regs[0] || 113 < regs[2]) {
+ flash = 0xffff;
+ }
+ flash_cnt -= 320;
+ } else {
+ if(regs[0] < 53 || 58 < regs[0] || 56 < regs[2]) {
+ flash = 0xffff;
+ }
+ flash_cnt -= 160;
+ }
+ if(regs[4] < 27 || 32 < regs[4] || 16 < regs[5] || 32 < regs[7]) {
+ flash = 0xffff;
+ }
+ if((regs[8] & 3) == 3 || (regs[9] != 7 && regs[9] != 6)) {
+ flash = 0xffff;
+ }
+ uint16_t src = (((regs[12] << 11) | (regs[13] << 3)) + (flash_cnt & flash)) & 0x3ff8;
+ if((regs[8] & 0xc0) == 0xc0) {
+ cursor = -1;
+ } else {
+ cursor = ((regs[14] << 11) | (regs[15] << 3)) & 0x3ff8;
+ }
+
+ // render screen
+ if((flash != 0) || (regs[8] & 0x30) != 0x30) {
+ switch(mode & 0xa0) {
+ case 0x00:
+ // text, wide
+ draw_text_wide(src);
+ flash_cnt += 40;
+ break;
+ case 0x20:
+ // text, normal
+ draw_text_normal(src);
+ break;
+ case 0x80:
+ // fine graph, wide
+ draw_fine_wide(src);
+ break;
+ case 0xa0:
+ // fine graph, normal
+ draw_fine_normal(src);
+ break;
+ }
+ }
+ }
+
+ // copy to real screen
+ emu->set_vm_screen_lines(200);
+ for(int y = 0; y < 200; y++) {
+ scrntype_t* dest0 = emu->get_screen_buffer(y * 2 + 0);
+ scrntype_t* dest1 = emu->get_screen_buffer(y * 2 + 1);
+ uint8_t* src = screen[y];
+
+ for(int x = 0; x < 640; x++) {
+ dest0[x] = palette_pc[src[x] & 7];
+ }
+ if(config.scan_line) {
+// for(int x = 0; x < 640; x++) {
+// dest1[x] = palette_pc[0];
+// }
+ memset(dest1, 0, 640 * sizeof(scrntype_t));
+ } else {
+ memcpy(dest1, dest0, 640 * sizeof(scrntype_t));
+ }
+ }
+#endif
+ emu->screen_skip_line(true);
+}
+
+void DISPLAY::draw_text_normal(uint16_t src)
+{
+ // text mode, normal char (80chars)
+ uint16_t src_t = (src & 0x3ff8) + text_page;
+ int maxx = 79, maxy = 24, hsync_pos = 92, vsync_pos = 28;
+ int _maxx = maxx + 36, _minx = -36;
+ int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];
+ int endx = regs[1] + homex, endy = regs[6] + homey;
+ int _dstx, dstx = homex, dsty = homey;
+
+ for(int y = 0; y < 200; y += 8) {
+ for(int x = 0; x < 80; x++, dstx++, src = (src + 8) & 0x3ff8, src_t = (src_t + 8) & 0x3fff) {
+ if(dstx >= endx) {
+ dstx = homex;
+ dsty++;
+ }
+ if(dsty >= endy) {
+ // exit x and y loop
+ y = 200;
+ break;
+ }
+ if((dsty < 0)||(dsty > maxy)) {
+ continue;
+ }
+ _dstx = dstx;
+ if((regs[8] & 0x30) == 0x10) {
+ if(dstx == 0) {
+ _dstx = 1;
+ }
+ if(dstx == 1) {
+ continue;
+ }
+ }
+ if((regs[8] & 0x30) == 0x20) {
+ if((dstx == 0) || (dstx == 1)) {
+ continue;
+ }
+ }
+ if(dstx <= _minx) {
+ _dstx = maxx - (dstx - _minx);
+ }
+ if(dstx >= _maxx) {
+ _dstx = dstx - _maxx;
+ }
+ if((_dstx < 0)||(_dstx > maxx)) {
+ continue;
+ }
+ uint8_t code = vram_g[src_t];
+ uint8_t attr = vram_a[src_t];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+ uint8_t p = pal_dis ? 0 : 0xff;
+
+ for(int l = 0; l < 8; l++) {
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = font_base[l];
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if((mode & 8) && !(attr & 4) && blink) {
+ p3 = 0;
+ }
+ uint8_t* d = &screen[(dsty << 3) + l][_dstx << 3];
+
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;
+ d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;
+ d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;
+ d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;
+ d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;
+ d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;
+ d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;
+ d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;
+ d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);
+ }
+ if(src == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[(dsty << 3) + i][_dstx << 3], 7, 8);
+ }
+ }
+ }
+ }
+ }
+}
+
+void DISPLAY::draw_text_wide(uint16_t src)
+{
+ // text mode, wide char (40chars)
+ uint16_t src_t = (src & 0x3ff8) + text_page;
+ int maxx = 39, maxy = 24, hsync_pos = 47, vsync_pos = 28;
+ int _maxx = maxx + 18, _minx = -18;
+ int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];
+ int endx = regs[1] + homex, endy = regs[6] + homey;
+ int _dstx, dstx = homex, dsty = homey;
+
+ for(int y = 0; y < 200; y += 8) {
+ for(int x = 0; x < 40; x++, dstx++, src = (src + 8) & 0x3ff8, src_t = (src_t + 8) & 0x3fff) {
+ if(dstx >= endx) {
+ dstx = homex;
+ dsty++;
+ }
+ if(dsty >= endy) {
+ // exit x and y loop
+ y = 200;
+ break;
+ }
+ if((dsty < 0)||(dsty > maxy)) {
+ continue;
+ }
+ _dstx = dstx;
+ if((regs[8] & 0x30) == 0x10) {
+ if(dstx == 0) {
+ _dstx = 1;
+ }
+ if(dstx == 1) {
+ continue;
+ }
+ }
+ if((regs[8] & 0x30) == 0x20) {
+ if((dstx == 0) || (dstx == 1)) {
+ continue;
+ }
+ }
+ if(dstx <= _minx) {
+ _dstx = maxx - (dstx - _minx);
+ }
+ if(dstx >= _maxx) {
+ _dstx = dstx - _maxx;
+ }
+ if((_dstx < 0)||(_dstx > maxx)) {
+ continue;
+ }
+
+ uint8_t code = vram_g[src_t];
+ uint8_t attr = vram_a[src_t];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+ uint8_t p = pal_dis ? 0 : 0xff;
+
+ for(int l = 0; l < 8; l++) {
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = font_base[l];
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if((mode & 8) && !(attr & 4) && blink) {
+ p3 = 0;
+ }
+ uint8_t* d = &screen[(dsty << 3) + l][_dstx << 4];
+
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6);
+ d[ 0] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x80) ? c_t : (pal[c | 0] & 7);
+ d[ 1] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x80) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5);
+ d[ 2] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x40) ? c_t : (pal[c | 0] & 7);
+ d[ 3] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x40) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4);
+ d[ 4] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x20) ? c_t : (pal[c | 0] & 7);
+ d[ 5] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x20) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3);
+ d[ 6] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x10) ? c_t : (pal[c | 0] & 7);
+ d[ 7] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x10) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2);
+ d[ 8] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x08) ? c_t : (pal[c | 0] & 7);
+ d[ 9] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x08) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1);
+ d[10] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x04) ? c_t : (pal[c | 0] & 7);
+ d[11] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x04) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0);
+ d[12] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x02) ? c_t : (pal[c | 0] & 7);
+ d[13] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x02) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1);
+ d[14] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x01) ? c_t : (pal[c | 0] & 7);
+ d[15] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x01) ? c_t : (pal[c | 8] & 7);
+ }
+ if(src == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[(dsty << 3) + i][_dstx << 4], 7, 16);
+ }
+ }
+ }
+ }
+ }
+}
+
+void DISPLAY::draw_fine_normal(uint16_t src)
+{
+ // fine graph mode, normal char (80chars)
+ int maxx = 79, maxy = 24, hsync_pos = 92, vsync_pos = 28;
+ int _maxx = maxx + 36, _minx = -36;
+ int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];
+ int endx = regs[1] + homex, endy = regs[6] + homey;
+ int _dstx, dstx = homex, dsty = homey;
+
+ for(int y = 0; y < 200; y += 8) {
+ for(int x = 0; x < 80; x++, dstx++, src = (src + 8) & 0x3ff8) {
+ if(dstx >= endx) {
+ dstx = homex;
+ dsty++;
+ }
+ if(dsty >= endy) {
+ // exit x and y loop
+ y = 200;
+ break;
+ }
+ if((dsty < 0)||(dsty > maxy)) {
+ continue;
+ }
+ _dstx = dstx;
+ if((regs[8] & 0x30) == 0x10) {
+ if(dstx == 0) {
+ _dstx = 1;
+ }
+ if(dstx == 1) {
+ continue;
+ }
+ }
+ if((regs[8] & 0x30) == 0x20) {
+ if((dstx == 0) || (dstx == 1)) {
+ continue;
+ }
+ }
+ if(dstx <= _minx) {
+ _dstx = maxx - (dstx - _minx);
+ }
+ if(dstx >= _maxx) {
+ _dstx = dstx - _maxx;
+ }
+ if((_dstx < 0)||(_dstx > maxx)) {
+ continue;
+ }
+
+ for(int l = 0; l < 8; l++) {
+ uint8_t code = vram_g[src + l];
+ uint8_t attr = vram_a[src + l];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+ uint8_t p = pal_dis ? 0 : 0xff;
+ uint8_t* d = &screen[(dsty << 3) + l][_dstx << 3];
+
+ if(attr & 8) {
+ // dot mode
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = vram_g[src + l] & p;
+
+ d[0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;
+ d[1] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;
+ d[2] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;
+ d[3] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;
+ d[4] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;
+ d[5] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;
+ d[6] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;
+ d[7] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;
+ } else {
+ // text
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = font_base[l];
+ if(mode & 8) {
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if(!(attr & 4) && blink) {
+ p3 = 0;
+ }
+ }
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;
+ d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;
+ d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;
+ d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;
+ d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;
+ d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;
+ d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;
+ d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;
+ d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);
+ }
+ }
+ if(src == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[(dsty << 3) + i][_dstx << 3], 7, 8);
+ }
+ }
+ }
+ }
+ }
+}
+
+void DISPLAY::draw_fine_wide(uint16_t src)
+{
+ // fine graph mode, wide char (40chars)
+ int maxx = 39, maxy = 24, hsync_pos = 47, vsync_pos = 28; //WIDTH 40
+ int _maxx = maxx + 18, _minx = -18; //WIDTH 40
+ int homex = hsync_pos - regs[2], homey = vsync_pos - regs[7];
+ int endx = regs[1] + homex, endy = regs[6] + homey;
+ int _dstx, dstx = homex, dsty = homey;
+
+ for(int y = 0; y < 200; y += 8) {
+ for(int x = 0; x < 40; x++, dstx++, src = (src + 8) & 0x3ff8) {
+ if(dstx >= endx) {
+ dstx = homex;
+ dsty++;
+ }
+ if(dsty >= endy) {
+ // exit x and y loop
+ y = 200;
+ break;
+ }
+ if((dsty < 0)||(dsty > maxy)) {
+ continue;
+ }
+ _dstx = dstx;
+ if((regs[8] & 0x30) == 0x10) {
+ if(dstx == 0) {
+ _dstx = 1;
+ }
+ if(dstx == 1) {
+ continue;
+ }
+ }
+ if((regs[8] & 0x30) == 0x20) {
+ if((dstx == 0) || (dstx == 1)) {
+ continue;
+ }
+ }
+ if(dstx <= _minx) {
+ _dstx = maxx - (dstx - _minx);
+ }
+ if(dstx >= _maxx) {
+ _dstx = dstx - _maxx;
+ }
+ if((_dstx < 0)||(_dstx > maxx)) {
+ continue;
+ }
+
+ for(int l = 0; l < 8; l++) {
+ uint8_t code = vram_g[src + l];
+ uint8_t attr = vram_a[src + l];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+ uint8_t p = pal_dis ? 0 : 0xff;
+ uint8_t* d = &screen[(dsty << 3) + l][_dstx << 4];
+
+ if(attr & 8) {
+ // dot mode
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = vram_g[src + l] & p;
+
+ d[ 0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;
+ d[ 1] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 8] & 7;
+ d[ 2] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 0] & 7;
+ d[ 3] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;
+ d[ 4] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;
+ d[ 5] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 8] & 7;
+ d[ 6] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 0] & 7;
+ d[ 7] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;
+ d[ 8] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;
+ d[ 9] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 8] & 7;
+ d[10] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 0] & 7;
+ d[11] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;
+ d[12] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;
+ d[13] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 8] & 7;
+ d[14] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 0] & 7;
+ d[15] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;
+ } else {
+ // text
+ uint8_t p1 = vram_b[src + l] & p;
+ uint8_t p2 = vram_r[src + l] & p;
+ uint8_t p3 = font_base[l];
+ if(mode & 8) {
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if(!(attr & 4) && blink) {
+ p3 = 0;
+ }
+ }
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6);
+ d[ 0] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x80) ? c_t : (pal[c | 0] & 7);
+ d[ 1] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x80) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5);
+ d[ 2] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x40) ? c_t : (pal[c | 0] & 7);
+ d[ 3] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x40) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4);
+ d[ 4] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x20) ? c_t : (pal[c | 0] & 7);
+ d[ 5] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x20) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3);
+ d[ 6] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x10) ? c_t : (pal[c | 0] & 7);
+ d[ 7] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x10) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2);
+ d[ 8] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x08) ? c_t : (pal[c | 0] & 7);
+ d[ 9] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x08) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1);
+ d[10] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x04) ? c_t : (pal[c | 0] & 7);
+ d[11] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x04) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0);
+ d[12] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x02) ? c_t : (pal[c | 0] & 7);
+ d[13] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x02) ? c_t : (pal[c | 8] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1);
+ d[14] = (pal[c | 0] & 8) ? (pal[c | 0] & 7) : (p3 & 0x01) ? c_t : (pal[c | 0] & 7);
+ d[15] = (pal[c | 8] & 8) ? (pal[c | 8] & 7) : (p3 & 0x01) ? c_t : (pal[c | 8] & 7);
+ }
+ }
+ if(src == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[(dsty << 3) + i][_dstx << 4], 7, 16);
+ }
+ }
+ }
+ }
+ }
+}
+
+void DISPLAY::draw_text_lcd(uint16_t src)
+{
+ // text mode, nomarl char (80chars)
+ for(int y = 0, yy = 0; y < 64; y += 8, yy++) {
+ int src_g = (src + 640 * (yy & 3) + (yy & 4 ? 8 : 0)) & 0x3ff8;
+ int src_t = src_g;// + text_page;
+
+ for(int x = 0; x < 40; x++) {
+ uint8_t code = vram_g[src_t];
+ uint8_t attr = vram_a[src_t];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+
+ for(int l = 0; l < 8; l++) {
+ uint8_t p1 = vram_b[src_g + l];
+ uint8_t p2 = vram_r[src_g + l];
+ uint8_t p3 = font_base[l];
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if((mode & 8) && !(attr & 4) && blink) {
+ p3 = 0;
+ }
+ uint8_t* d = &screen[y + l][x << 3];
+
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;
+ d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;
+ d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;
+ d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;
+ d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;
+ d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;
+ d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;
+ d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;
+ d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);
+ }
+ if(src_g == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[y + i][x << 3], 7, 8);
+ }
+ }
+ }
+ src_g = (src_g + 16) & 0x3ff8;
+ src_t = (src_t + 16) & 0x3fff;
+ }
+ }
+}
+
+void DISPLAY::draw_fine_lcd(uint16_t src)
+{
+ // fine graph mode, normal char (80chars)
+ for(int y = 0, yy = 0; y < 64; y += 8, yy++) {
+ int src_g = (src + 640 * (yy & 3) + (yy & 4 ? 8 : 0)) & 0x3ff8;
+
+ for(int x = 0; x < 80; x++) {
+ uint8_t code = vram_g[src_g];
+ uint8_t attr = vram_a[src_g];
+ uint8_t c, c_t = (mode & 8) ? (mode & 7) : (attr & 7);
+ uint8_t* font_base = &font[code << 3];
+
+ if(attr & 8) {
+ // dot mode
+ for(int l = 0; l < 8; l++) {
+ uint8_t p1 = vram_b[src_g + l];
+ uint8_t p2 = vram_r[src_g + l];
+ uint8_t p3 = vram_g[src_g + l];
+ uint8_t* d = &screen[y + l][x << 3];
+
+ d[0] = pal[((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | ((p3 & 0x80) >> 5) | 0] & 7;
+ d[1] = pal[((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | ((p3 & 0x40) >> 4) | 8] & 7;
+ d[2] = pal[((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | ((p3 & 0x20) >> 3) | 0] & 7;
+ d[3] = pal[((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | ((p3 & 0x10) >> 2) | 8] & 7;
+ d[4] = pal[((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | ((p3 & 0x08) >> 1) | 0] & 7;
+ d[5] = pal[((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | ((p3 & 0x04) >> 0) | 8] & 7;
+ d[6] = pal[((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | ((p3 & 0x02) << 1) | 0] & 7;
+ d[7] = pal[((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | ((p3 & 0x01) << 2) | 8] & 7;
+ }
+ } else {
+ // text
+ for(int l = 0; l < 8; l++) {
+ uint8_t p1 = vram_b[src_g + l];
+ uint8_t p2 = vram_r[src_g + l];
+ uint8_t p3 = font_base[l];
+ if(mode & 8) {
+ // negative, blink
+ if(attr & 8) {
+ p3 = ~p3;
+ }
+ if(!(attr & 4) && blink) {
+ p3 = 0;
+ }
+ }
+ uint8_t* d = &screen[y + l][x << 3];
+
+ c = ((p1 & 0x80) >> 7) | ((p2 & 0x80) >> 6) | 0;
+ d[0] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x80) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x40) >> 6) | ((p2 & 0x40) >> 5) | 8;
+ d[1] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x40) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x20) >> 5) | ((p2 & 0x20) >> 4) | 0;
+ d[2] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x20) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x10) >> 4) | ((p2 & 0x10) >> 3) | 8;
+ d[3] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x10) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x08) >> 3) | ((p2 & 0x08) >> 2) | 0;
+ d[4] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x08) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x04) >> 2) | ((p2 & 0x04) >> 1) | 8;
+ d[5] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x04) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x02) >> 1) | ((p2 & 0x02) >> 0) | 0;
+ d[6] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x02) ? c_t : (pal[c] & 7);
+ c = ((p1 & 0x01) >> 0) | ((p2 & 0x01) << 1) | 8;
+ d[7] = (pal[c] & 8) ? (pal[c] & 7) : (p3 & 0x01) ? c_t : (pal[c] & 7);
+ }
+ }
+ if(src_g == cursor) {
+ int bp = regs[10] & 0x60;
+ if(bp == 0 || (bp == 0x40 && (cblink & 8)) || (bp == 0x60 && (cblink & 0x10))) {
+ for(int i = (regs[10] & 7); i < 8; i++) {
+ memset(&screen[y + i][x << 3], 7, 8);
+ }
+ }
+ }
+ src_g = (src_g + 16) & 0x3ff8;
+ }
+ }
+}
+
+#define STATE_VERSION 1
+
+bool DISPLAY::process_state(FILEIO* state_fio, bool loading)
+{
+ if(!state_fio->StateCheckUint32(STATE_VERSION)) {
+ return false;
+ }
+ if(!state_fio->StateCheckInt32(this_device_id)) {
+ return false;
+ }
+ state_fio->StateUint8(mode);
+ state_fio->StateUint8(text_page);
+ state_fio->StateUint16(cursor);
+ state_fio->StateUint16(cblink);
+ state_fio->StateUint16(flash_cnt);
+ state_fio->StateBool(blink);
+ state_fio->StateBool(pal_dis);
+ return true;
+}
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