void flush_line(int y) { int target_y = y; char *addr; if (linear_mem != NULL && !need_dither) return; addr = gfxvidinfo.linemem; if (addr == NULL) addr = gfxvidinfo.bufmem + y*gfxvidinfo.rowbytes; if (linear_mem == NULL) { if (target_y < modeinfo.height && target_y >= 0) { if (need_dither) { DitherLine (dither_buf, (uae_u16 *)addr, 0, y, gfxvidinfo.width, bit_unit); addr = dither_buf; } vga_drawscanline(target_y, addr); } } else { if (need_dither && target_y >= 0) { DitherLine (linear_mem + modeinfo.linewidth * target_y, (uae_u16 *)addr, 0, y, gfxvidinfo.width, bit_unit); } } }
void d_raster_update(void) { int i, inc; register byte *vbuf; inc = (raster_curmode.w*raster_curmode.bpp+7)/8; vbuf = raster_vbuf; for(i = 0; i < raster_curmode.h; i++, vbuf += inc) vga_drawscanline(i, vbuf); return; }
void handle_events (void) { int button = mouse_getbutton (); gui_requested = 0; keyboard_update (); mouse_update (); lastmx += mouse_getx (); lastmy += mouse_gety (); mouse_setposition (0, 0); buttonstate[0] = button & 4; buttonstate[1] = button & 2; buttonstate[2] = button & 1; #ifdef PICASSO96 if (screen_is_picasso && !picasso_vidinfo.extra_mem) { int i; char *addr = gfxmemory + (picasso96_state.Address - gfxmem_start); for (i = 0; i < picasso_vidinfo.height; i++, addr += picasso96_state.BytesPerRow) { if (!picasso_invalid_lines[i]) continue; picasso_invalid_lines[i] = 0; vga_drawscanline (i, addr); } } #endif if (!screen_is_picasso && gui_requested) { leave_graphics_mode (); gui_changesettings (); enter_graphics_mode (vgamode); if (linear_mem != NULL && !need_dither) gfxvidinfo.bufmem = linear_mem; restore_vga_colors (); notice_screen_contents_lost (); } }
static void testmode(int mode) { int xmax, ymax, i, x, y, yw, ys, c; vga_modeinfo *modeinfo; vga_setmode(mode); modeinfo = vga_getmodeinfo(mode); printf("Width: %d Height: %d Colors: %d\n", modeinfo->width, modeinfo->height, modeinfo->colors); printf("DisplayStartRange: %xh Maxpixels: %d Blit: %s\n", modeinfo->startaddressrange, modeinfo->maxpixels, modeinfo->haveblit ? "YES" : "NO"); #ifdef TEST_MODEX if (modeinfo->colors == 256) printf("Switching to ModeX ... %s\n", (vga_setmodeX()? "done" : "failed")); #endif vga_screenoff(); xmax = vga_getxdim() - 1; ymax = vga_getydim() - 1; vga_setcolor(vga_white()); vga_drawline(0, 0, xmax, 0); vga_drawline(xmax, 0, xmax, ymax); vga_drawline(xmax, ymax, 0, ymax); vga_drawline(0, ymax, 0, 0); /* Draw crosses */ for (i = 0; i <= 15; i++) { vga_setegacolor(i); vga_drawline(10 + i * 5, 10, 89 + i * 5, 89); } for (i = 0; i <= 15; i++) { vga_setegacolor(i); vga_drawline(89 + i * 5, 10, 10 + i * 5, 89); } vga_screenon(); ys = 100; yw = (ymax - 100) / 4; switch (vga_getcolors()) { case 256: /* Draw horizontal color bands using palette */ for (i = 0; i < 60; ++i) { c = (i * 64) / 60; vga_setpalette(i + 16, c, c, c); vga_setpalette(i + 16 + 60, c, 0, 0); vga_setpalette(i + 16 + (2 * 60), 0, c, 0); vga_setpalette(i + 16 + (3 * 60), 0, 0, c); } line[0] = line[xmax] = 15; line[1] = line[xmax - 1] = 0; for (x = 2; x < xmax - 1; ++x) line[x] = (((x - 2) * 60) / (xmax - 3)) + 16; for (y = ys; y < ys + yw; ++y) /* gray */ vga_drawscanline(y, line); for (x = 2; x < xmax - 1; ++x) line[x] += 60; ys += yw; for (y = ys; y < ys + yw; ++y) /* red */ vga_drawscanline(y, line); for (x = 2; x < xmax - 1; ++x) line[x] += 60; ys += yw; for (y = ys; y < ys + yw; ++y) /* green */ vga_drawscanline(y, line); for (x = 2; x < xmax - 1; ++x) line[x] += 60; ys += yw; for (y = ys; y < ys + yw; ++y) /* blue */ vga_drawscanline(y, line); break; case 1 << 15: case 1 << 16: case 1 << 24: /* Draw horizontal color bands in RGB */ for (x = 2; x < xmax - 1; ++x) { c = ((x - 2) * 255) / (xmax - 4); y = ys; vga_setrgbcolor(c, c, c); vga_drawline(x, y, x, y + yw - 1); y += yw; vga_setrgbcolor(c, 0, 0); vga_drawline(x, y, x, y + yw - 1); y += yw; vga_setrgbcolor(0, c, 0); vga_drawline(x, y, x, y + yw - 1); y += yw; vga_setrgbcolor(0, 0, c); vga_drawline(x, y, x, y + yw - 1); } drawSquares(xmax, ymax); break; default: /* Draw vertical color bars */ if (vga_getcolors() == 16) { for (i = 0; i < xmax - 1; i++) line[i] = (i + 2) % 16; line[0] = line[xmax] = 15; line[1] = line[xmax - 1] = 0; } if (vga_getcolors() == 2) { for (i = 0; i <= xmax; i++) line[i] = 0x11; line[0] = 0x91; } for (i = 100; i < ymax - 1; i++) vga_drawscanline(i, line); break; } if (getchar() == 'd') vga_dumpregs(); }