| /* |
| * Interrupt vectors emulation |
| * |
| * Copyright 1995 Alexandre Julliard |
| */ |
| |
| #include "windows.h" |
| #include "miscemu.h" |
| #include "dos_fs.h" |
| #include "module.h" |
| #include "registers.h" |
| #include "stackframe.h" |
| #include "stddebug.h" |
| #include "debug.h" |
| |
| static SEGPTR INT_Vectors[256]; |
| |
| /* Ordinal number for interrupt 0 handler in WINPROCS.DLL */ |
| #define FIRST_INTERRUPT_ORDINAL 100 |
| |
| |
| /********************************************************************** |
| * INT_Init |
| */ |
| BOOL INT_Init(void) |
| { |
| WORD vector; |
| HMODULE hModule = GetModuleHandle( "WINPROCS" ); |
| |
| for (vector = 0; vector < 256; vector++) |
| { |
| if (!(INT_Vectors[vector] = MODULE_GetEntryPoint( hModule, |
| FIRST_INTERRUPT_ORDINAL+vector ))) |
| { |
| fprintf(stderr,"Internal error: no vector for int %02x\n",vector); |
| return FALSE; |
| } |
| } |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * INT_GetHandler |
| * |
| * Return the interrupt vector for a given interrupt. |
| */ |
| SEGPTR INT_GetHandler( BYTE intnum ) |
| { |
| return INT_Vectors[intnum]; |
| } |
| |
| |
| /********************************************************************** |
| * INT_SetHandler |
| * |
| * Set the interrupt handler for a given interrupt. |
| */ |
| void INT_SetHandler( BYTE intnum, SEGPTR handler ) |
| { |
| dprintf_int( stddeb, "Set interrupt vector %02x <- %04x:%04x\n", |
| intnum, HIWORD(handler), LOWORD(handler) ); |
| INT_Vectors[intnum] = handler; |
| } |
| |
| |
| /********************************************************************** |
| * INT_DummyHandler |
| */ |
| void INT_DummyHandler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| INT_BARF( CURRENT_STACK16->ordinal_number - FIRST_INTERRUPT_ORDINAL ); |
| #undef context |
| } |
| |
| |
| /********************************************************************** |
| * INT_Int11Handler |
| * |
| * Handler for int 11h (get equipment list). |
| */ |
| void INT_Int11Handler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| AX = DOS_GetEquipment(); |
| #undef context |
| } |
| |
| |
| /********************************************************************** |
| * INT_Int12Handler |
| * |
| * Handler for int 12h (get memory size). |
| */ |
| void INT_Int12Handler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| AX = 640; |
| #undef context |
| } |
| |
| |
| /********************************************************************** |
| * INT_Int15Handler |
| * |
| * Handler for int 15h. |
| */ |
| void INT_Int15Handler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| INT_BARF( 0x15 ); |
| #undef context |
| } |
| |
| |
| /********************************************************************** |
| * INT_Int16Handler |
| * |
| * Handler for int 16h (keyboard). |
| */ |
| void INT_Int16Handler( struct sigcontext_struct sigcontext ) |
| { |
| #define context (&sigcontext) |
| INT_BARF( 0x16 ); |
| #undef context |
| } |