1 // Hooks for via vgabios calls into main bios.
3 // Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
5 // This file may be distributed under the terms of the GNU GPLv3 license.
7 #include "bregs.h" // set_fail
8 #include "util.h" // handle_155f
9 #include "config.h" // CONFIG_*
12 handle_155f01(struct bregs *regs)
15 regs->cl = 2; // panel type = 2 = 1024 * 768
20 handle_155f02(struct bregs *regs)
24 regs->cx = 0x401; // PAL + crt only
25 regs->dx = 0; // TV Layout - default
30 handle_155f18(struct bregs *regs)
33 regs->ebx = 0x545; // MCLK = 133, 32M frame buffer, 256 M main memory
39 handle_155f19(struct bregs *regs)
41 set_fail_silent(regs);
45 handle_155fXX(struct bregs *regs)
47 set_code_fail(regs, RET_EUNSUPPORTED);
51 handle_155f(struct bregs *regs)
53 if (! CONFIG_VGAHOOKS) {
59 case 0x01: handle_155f01(regs); break;
60 case 0x02: handle_155f02(regs); break;
61 case 0x18: handle_155f18(regs); break;
62 case 0x19: handle_155f19(regs); break;
63 default: handle_155fXX(regs); break;