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Added support for "call breaks", and fixed BTC, BTR and BTS (hopefully correctly this time),

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This commit is contained in:
Jeff Parsons 2015-09-04 14:13:09 -07:00
commit 8d83504d9a
5 changed files with 215 additions and 62 deletions
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24
modules/pcjs/lib/interrupts.js
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@ -62,21 +62,19 @@ var Interrupts = {
ALT_DISK: 0x40, // HDC BIOS saves original FDC BIOS vector here
ALT_VIDEO: 0x6D, // IBM VGA BIOS saves original video BIOS vector here
WINDBG: { // Windows Debugger protected-mode interface
VECTOR: 0x41,
IS_LOADED: 0x004F, // AX command
LOADED: 0xF386, // returned in AX if Windows Debugger loaded
LOAD_SEG: 0x0050, // SI==0 if code, 1 if data; BX==segnum-1; CX==selector; ES:[E]DI->module name
ENABLED: true // support for WINDBGRM interrupts can be disabled
VECTOR: 0x41, // (AX==command)
IS_LOADED: 0x004F, // DS_DebLoaded
LOADED: 0xF386, // DS_DebPresent (returned in AX if Windows Debugger loaded)
LOAD_SEG: 0x0050, // DS_LoadSeg (SI==0 if code, 1 if data; BX==segnum-1; CX==selector; ES:[E]DI->module name)
ENABLED: true // support for WINDBG interrupts can be disabled (but NOT if WINDBGRM is enabled)
},
WINDBGRM: { // Windows Debugger real-mode interface
VECTOR: 0x68,
IS_LOADED: 0x43, // AH command
LOADED: 0xF386, // returned in AX if Windows Debugger loaded
LOAD_SEG: 0x50, // AL=segment type, ES:DI->D386_Device_Params
/*
* This must be disabled until we're able to respond intelligently to requests like D386_Prepare_PMode (0x44)
*/
ENABLED: false // support for WINDBGRM interrupts can be disabled
VECTOR: 0x68, // (AH==command)
IS_LOADED: 0x43, // D386_Identify
LOADED: 0xF386, // D386_Id (returned in AX if Windows Debugger loaded)
PREP_PMODE: 0x44, // D386_Prepare_PMode (must return a 16:32 address in ES:EDI to a "PMinit" handler)
LOAD_SEG: 0x50, // D386_Load_Segment (AL=segment type, ES:DI->D386_Device_Params)
ENABLED: true // support for WINDBGRM interrupts can be disabled
},
FUNCS: {} // filled in only if DEBUGGER is true
};