예제 #1
0
 private static void XGA_Write_Multifunc(/*Bitu*/ int val, /*Bitu*/ int len) {
   /*Bitu*/ int regselect = val >>> 12;
   /*Bitu*/ int dataval = val & 0xfff;
   switch (regselect) {
     case 0: // minor axis pixel count
       xga.MIPcount = dataval;
       break;
     case 1: // top scissors
       xga.scissors.y1 = dataval;
       break;
     case 2: // left
       xga.scissors.x1 = dataval;
       break;
     case 3: // bottom
       xga.scissors.y2 = dataval;
       break;
     case 4: // right
       xga.scissors.x2 = dataval;
       break;
     case 0xa: // data manip control
       xga.pix_cntl = dataval;
       break;
     case 0xd: // misc 2
       xga.control2 = dataval;
       break;
     case 0xe:
       xga.control1 = dataval;
       break;
     case 0xf:
       xga.read_sel = dataval;
       break;
     default:
       Log.log_msg("XGA: Unhandled multifunction command " + Integer.toString(regselect, 16));
       break;
   }
 }
예제 #2
0
        public void call(/*Bitu*/ int port, /*Bitu*/ int val, /*Bitu*/ int len) {
          //	Log.log_msg("XGA: Write to port %x, val %8x, len %x", port,val, len);

          switch (port) {
            case 0x8100: // drawing control: row (low word), column (high word)
              // "CUR_X" and "CUR_Y" (see PORT 82E8h,PORT 86E8h)
              xga.cury = val & 0x0fff;
              if (len == 4) xga.curx = (val >> 16) & 0x0fff;
              break;
            case 0x8102:
              xga.curx = val & 0x0fff;
              break;

            case 0x8108: // DWORD drawing control: destination Y and axial step
              // constant (low word), destination X and axial step
              // constant (high word) (see PORT 8AE8h,PORT 8EE8h)
              xga.desty = val & 0x3FFF;
              if (len == 4) xga.destx = (val >> 16) & 0x3fff;
              break;
            case 0x810a:
              xga.destx = val & 0x3fff;
              break;
            case 0x8110: // WORD error term (see PORT 92E8h)
              xga.ErrTerm = val & 0x3FFF;
              break;

            case 0x8120: // packed MMIO: DWORD background color (see PORT A2E8h)
              xga.backcolor = val;
              break;
            case 0x8124: // packed MMIO: DWORD foreground color (see PORT A6E8h)
              xga.forecolor = val;
              break;
            case 0x8128: // DWORD	write mask (see PORT AAE8h)
              xga.writemask = val;
              break;
            case 0x812C: // DWORD	read mask (see PORT AEE8h)
              xga.readmask = val;
              break;
            case 0x8134: // packed MMIO: DWORD	background mix (low word) and
              // foreground mix (high word)	(see PORT B6E8h,PORT BAE8h)
              xga.backmix = val & 0xFFFF;
              if (len == 4) xga.foremix = (val >> 16);
              break;
            case 0x8136:
              xga.foremix = val;
              break;
            case 0x8138: // DWORD top scissors (low word) and left scissors (high
              // word) (see PORT BEE8h,#P1047)
              xga.scissors.y1 = val & 0x0fff;
              if (len == 4) xga.scissors.x1 = (val >> 16) & 0x0fff;
              break;
            case 0x813a:
              xga.scissors.x1 = val & 0x0fff;
              break;
            case 0x813C: // DWORD bottom scissors (low word) and right scissors
              // (high word) (see PORT BEE8h,#P1047)
              xga.scissors.y2 = val & 0x0fff;
              if (len == 4) xga.scissors.x2 = (val >> 16) & 0x0fff;
              break;
            case 0x813e:
              xga.scissors.x2 = val & 0x0fff;
              break;

            case 0x8140: // DWORD data manipulation control (low word) and
              // miscellaneous 2 (high word) (see PORT BEE8h,#P1047)
              xga.pix_cntl = val & 0xFFFF;
              if (len == 4) xga.control2 = (val >> 16) & 0x0fff;
              break;
            case 0x8144: // DWORD miscellaneous (low word) and read register select
              // (high word)(see PORT BEE8h,#P1047)
              xga.control1 = val & 0xffff;
              if (len == 4) xga.read_sel = (val >> 16) & 0x7;
              break;
            case 0x8148: // DWORD minor axis pixel count (low word) and major axis
              // pixel count (high word) (see PORT BEE8h,#P1047,PORT 96E8h)
              xga.MIPcount = val & 0x0fff;
              if (len == 4) xga.MAPcount = (val >> 16) & 0x0fff;
              break;
            case 0x814a:
              xga.MAPcount = val & 0x0fff;
              break;
            case 0x92e8:
              xga.ErrTerm = val & 0x3FFF;
              break;
            case 0x96e8:
              xga.MAPcount = val & 0x0fff;
              break;
            case 0x9ae8:
            case 0x8118: // Trio64V+ packed MMIO
              XGA_DrawCmd(val, len);
              break;
            case 0xa2e8:
              xga.backcolor = (int) XGA_SetDualReg(xga.backcolor, val);
              break;
            case 0xa6e8:
              xga.forecolor = (int) XGA_SetDualReg(xga.forecolor, val);
              break;
            case 0xaae8:
              xga.writemask = (int) XGA_SetDualReg(xga.writemask, val);
              break;
            case 0xaee8:
              xga.readmask = (int) XGA_SetDualReg(xga.readmask, val);
              break;
            case 0x82e8:
              xga.cury = val & 0x0fff;
              break;
            case 0x86e8:
              xga.curx = val & 0x0fff;
              break;
            case 0x8ae8:
              xga.desty = val & 0x3fff;
              break;
            case 0x8ee8:
              xga.destx = val & 0x3fff;
              break;
            case 0xb2e8:
              Log.log_msg("COLOR_CMP not implemented");
              break;
            case 0xb6e8:
              xga.backmix = val;
              break;
            case 0xbae8:
              xga.foremix = val;
              break;
            case 0xbee8:
              XGA_Write_Multifunc(val, len);
              break;
            case 0xe2e8:
              xga.waitcmd.newline = false;
              XGA_DrawWait(val, len);
              break;
            case 0x83d4:
              if (len == 1) VGA_crtc.vga_write_p3d4.call(0, val, 1);
              else if (len == 2) {
                VGA_crtc.vga_write_p3d4.call(0, val & 0xff, 1);
                VGA_crtc.vga_write_p3d5.call(0, val >> 8, 1);
              } else Log.exit("unimplemented XGA MMIO");
              break;
            case 0x83d5:
              if (len == 1) VGA_crtc.vga_write_p3d5.call(0, val, 1);
              else Log.exit("unimplemented XGA MMIO");
              break;
            default:
              if (port <= 0x4000) {
                // Log.log_msg("XGA: Wrote to port %4x with %08x, len %x", port, val, len);
                xga.waitcmd.newline = false;
                XGA_DrawWait(val, len);

              } else
                Log.log_msg(
                    "XGA: Wrote to port "
                        + Integer.toString(port, 16)
                        + " with "
                        + Integer.toString(val, 16)
                        + ", len "
                        + Integer.toString(len));
              break;
          }
        }