| #include <stdio.h> |
| #include <stdlib.h> |
| #include "registers.h" |
| #include "wine.h" |
| #include "msdos.h" |
| #include "miscemu.h" |
| #include "options.h" |
| #include "stddebug.h" |
| /* #define DEBUG_INT */ |
| #include "debug.h" |
| |
| static void do_int2f_16(struct sigcontext_struct *context); |
| |
| /********************************************************************** |
| * INT_Int2fHandler |
| * |
| * Handler for int 2fh (multiplex). |
| */ |
| void INT_Int2fHandler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| switch(AH) |
| { |
| case 0x10: |
| AL = 0xff; /* share is installed */ |
| break; |
| |
| case 0x15: /* mscdex */ |
| /* ignore requests */ |
| break; |
| |
| case 0x16: |
| do_int2f_16( context ); |
| break; |
| default: |
| INT_BARF( 0x2f ); |
| } |
| #undef context |
| } |
| |
| |
| static void do_int2f_16(struct sigcontext_struct *context) |
| { |
| switch(AL) |
| { |
| case 0x00: /* Windows enhanced mode installation check */ |
| AX = Options.enhanced ? WINVERSION : 0; |
| break; |
| |
| case 0x0a: /* Get Windows version and type */ |
| AX = 0; |
| BX = (WINVERSION >> 8) | ((WINVERSION << 8) & 0xff00); |
| CX = Options.enhanced ? 3 : 2; |
| break; |
| |
| case 0x80: /* Release time-slice */ |
| break; /* nothing to do */ |
| |
| case 0x86: /* DPMI detect mode */ |
| AX = 0; /* Running under DPMI */ |
| break; |
| |
| case 0x87: /* DPMI installation check */ |
| AX = 0x0000; /* DPMI Installed */ |
| BX = 0x0001; /* 32bits available */ |
| CL = 0x03; /* processor 386 */ |
| DX = 0x005a; /* DPMI major/minor 0.90 */ |
| SI = 0; /* # of para. of DOS extended private data */ |
| ES = 0; /* ES:DI is DPMI switch entry point */ |
| DI = 0; |
| break; |
| |
| default: |
| INT_BARF( 0x2f ); |
| } |
| } |
| |
| |