/* * Copyright (c) 1992, 1993, 1996 * Berkeley Software Design, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Berkeley Software * Design, Inc. * * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * BSDI int10.c,v 2.3 1996/04/08 19:32:40 bostic Exp * * $Id: int10.c,v 1.2 1996/09/22 05:53:00 miff Exp $ */ #include "doscmd.h" #include "mouse.h" /* * 0040:0060 contains the start and end of the cursor */ #define curs_end BIOSDATA[0x60] #define curs_start BIOSDATA[0x61] void int10(REGISTERS) { char *addr; int i, j; int saved_row, saved_col; /* * Any call to the video BIOS is enough to reset the poll * count on the keyboard. */ reset_poll(); switch (GET8H(sc->sc_eax)) { case 0x00: /* Set display mode */ debug(D_HALF, "Set video mode to %02x\n", GET8L(sc->sc_eax)); break; case 0x01: /* Define cursor */ curs_start = GET8H(sc->sc_ecx); curs_end = GET8L(sc->sc_ecx); break; case 0x02: /* Position cursor */ if (!xmode) goto unsupported; tty_move(GET8H(sc->sc_edx), GET8L(sc->sc_edx)); break; case 0x03: /* Read cursor position */ if (!xmode) goto unsupported; tty_report(&i, &j); SET8H(sc->sc_edx, i); SET8L(sc->sc_edx, j); SET8H(sc->sc_ecx, curs_start); SET8L(sc->sc_ecx, curs_end); break; case 0x05: debug(D_HALF, "Select current display page %d\n", GET8L(sc->sc_eax)); break; case 0x06: /* initialize window/scroll text upward */ if (!xmode) goto unsupported; tty_scroll(GET8H(sc->sc_ecx), GET8L(sc->sc_ecx), GET8H(sc->sc_edx), GET8L(sc->sc_edx), GET8L(sc->sc_eax), GET8H(sc->sc_ebx) << 8); break; case 0x07: /* initialize window/scroll text downward */ if (!xmode) goto unsupported; tty_rscroll(GET8H(sc->sc_ecx), GET8L(sc->sc_ecx), GET8H(sc->sc_edx), GET8L(sc->sc_edx), GET8L(sc->sc_eax), GET8H(sc->sc_ebx) << 8); break; case 0x08: /* read character/attribute */ if (!xmode) goto unsupported; i = tty_char(-1, -1); SET16(sc->sc_eax, i); break; case 0x09: /* write character/attribute */ if (!xmode) goto unsupported; tty_rwrite(GET16(sc->sc_ecx), GET8L(sc->sc_eax), GET8L(sc->sc_ebx) << 8); break; case 0x0a: /* write character */ if (!xmode) goto unsupported; tty_rwrite(GET16(sc->sc_ecx), GET8L(sc->sc_eax), -1); break; case 0x0b: /* set border color */ if (!xmode) goto unsupported; video_setborder(GET8L(sc->sc_ebx)); break; case 0x0e: /* write character */ tty_write(GET8L(sc->sc_eax), -1); break; case 0x0f: /* get display mode */ SET8H(sc->sc_eax, 80); /* number of columns */ SET8L(sc->sc_eax, 3); /* color */ SET8H(sc->sc_ebx, 0); /* display page */ break; case 0x10: switch (GET8L(sc->sc_eax)) { case 0x01: video_setborder(GET8H(sc->sc_ebx) & 0x0f); break; case 0x02: /* Set pallete registers */ debug(D_HALF, "INT 10 10:02 Set all palette registers\n"); break; case 0x03: /* Enable/Disable blinking mode */ video_blink(GET8L(sc->sc_ebx) ? 1 : 0); break; case 0x13: debug(D_HALF, "INT 10 10:13 Select color or DAC (%02x, %02x)\n", GET8L(sc->sc_ebx), GET8H(sc->sc_ebx)); break; case 0x1a: /* get video dac color-page state */ SET8H(sc->sc_ebx, 0); /* Current page */ SET8L(sc->sc_ebx, 0); /* four pages of 64... */ break; default: unknown_int3(0x10, 0x10, GET8L(sc->sc_eax), sc); break; } break; #if 1 case 0x11: switch (GET8L(sc->sc_eax)) { case 0x00: printf("Tried to load user defined font.\n"); break; case 0x01: printf("Tried to load 8x14 font.\n"); break; case 0x02: printf("Tried to load 8x8 font.\n"); break; case 0x03: printf("Tried to activate character set\n"); break; case 0x04: printf("Tried to load 8x16 font.\n"); break; case 0x10: printf("Tried to load and activate user defined font\n"); break; case 0x11: printf("Tried to load and activate 8x14 font.\n"); break; case 0x12: printf("Tried to load and activate 8x8 font.\n"); break; case 0x14: printf("Tried to load and activate 8x16 font.\n"); break; case 0x30: SET16(sc->sc_ecx, 14); SET8L(sc->sc_edx, 24); switch(GET8H(sc->sc_ebx)) { case 0: PUTVEC(sc->sc_es, sc->sc_ebp, ivec[0x1f]); break; case 1: PUTVEC(sc->sc_es, sc->sc_ebp, ivec[0x43]); break; case 2: case 3: case 4: case 5: case 6: case 7: SET16(sc->sc_es, 0); SET16(sc->sc_ebp, 0); debug(D_HALF, "INT 10 11:30 Request font address %02x", GET8H(sc->sc_ebx)); break; default: unknown_int4(0x10, 0x11, 0x30, GET8H(sc->sc_ebx), sc); break; } break; default: unknown_int3(0x10, 0x11, GET8L(sc->sc_eax), sc); break; } break; #endif case 0x12: /* Load multiple DAC color register */ if (!xmode) goto unsupported; switch (GET8L(sc->sc_ebx)) { case 0x10: /* Read EGA/VGA config */ SET8H(sc->sc_ebx, 0); /* Color */ SET8L(sc->sc_ebx, 0); /* 64K */ break; default: unknown_int3(0x10, 0x12, GET8L(sc->sc_ebx), sc); break; } break; case 0x13: /* write character string */ if (!xmode) goto unsupported; addr = (char *)GETPTR(sc->sc_es, sc->sc_ebp); switch (GET8L(sc->sc_eax) & 0x03) { case 0: tty_report(&saved_row, &saved_col); tty_move(GET8H(sc->sc_edx), GET8L(sc->sc_edx)); for (i = 0; i < GET16(sc->sc_ecx); ++i) tty_write(*addr++, GET8L(sc->sc_ebx) << 8); tty_move(saved_row, saved_col); break; case 1: tty_move(GET8H(sc->sc_edx), GET8L(sc->sc_edx)); for (i = 0; i < GET16(sc->sc_ecx); ++i) tty_write(*addr++, GET8L(sc->sc_ebx) << 8); break; case 2: tty_report(&saved_row, &saved_col); tty_move(GET8H(sc->sc_edx), GET8L(sc->sc_edx)); for (i = 0; i < GET16(sc->sc_ecx); ++i) { tty_write(addr[0], addr[1]); addr += 2; } tty_move(saved_row, saved_col); break; case 3: tty_move(GET8H(sc->sc_edx), GET8L(sc->sc_edx)); for (i = 0; i < GET16(sc->sc_ecx); ++i) { tty_write(addr[0], addr[1]); addr += 2; } break; } break; case 0x1a: if (!xmode) goto unsupported; SET8L(sc->sc_eax, 0x1a); /* I am VGA */ SET8L(sc->sc_ebx, 8); /* Color VGA */ SET8H(sc->sc_ebx, 0); /* No other card */ break; case 0x4f: /* get VESA information */ SET8H(sc->sc_eax, 0x01); /* no VESA support */ break; case 0x1b: /* Functionality state information */ case 0xef: case 0xfe: /* Get video buffer */ break; case 0xfa: /* Interrogate mouse driver */ if (xmode) PUTPTR(sc->sc_es, sc->sc_ebx, (long)mouse_area); break; case 0xff: /* Update real screen from video buffer */ /* XXX - we should allow secondary buffer here and then update it as the user requests. */ break; unsupported: if (vflag) dump_regs(sc); fatal ("int10 function 0x%02x:%02x only available in X mode\n", GET8H(sc->sc_eax), GET8L(sc->sc_eax)); unknown: default: unknown_int2(0x10, GET8H(sc->sc_eax), sc); break; } }