Scott Duensing
d68405550d
Resolve GPFs in both USER.EXE and COMMTASK.DLL by correcting RETF sizes for SETCOM and GETDCB, confirmed by disassembling CyberCom.DRV. Add stock-compatible ComDEB structure so third-party code (ProComm COMMTASK.DLL) can safely access internal fields at known offsets per Microsoft KB Q101417. COMM.DRV changes: - SETCOM (ord 2): RETF 4, takes DCB FAR * only (not commId + DCB*) - GETDCB (ord 15): RETF 2, takes commId, returns DCB FAR * in DX:AX - Add 40-byte ComDebT matching stock COMM.DRV internal layout (evtWord at +0, MSR shadow at +35, queue counts at +8/+18) - cevt returns pointer to ComDebT for third-party compatibility - Sync ComDEB fields in ISR dispatch, reccom, sndcom, cflush, setque - Move WEP to ordinal 16, add ordinal 101 stub (match stock/CyberCom) - Default DBG_ENABLED to 0 (set to 1 to re-enable debug logging) VBX control fixes: - Fix SETBREAK/CLRBREAK constants (use numeric 8/9, not undefined macros) - Fix serialEnableNotify return type (BOOL, not int16_t) - Fix mscomm.h to work with RC compiler (#ifndef RC_INVOKED) - Fix vbapi.h USHORT typedef and MODEL.flWndStyle type - Add vbapi.lib dependency to makefile Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
29 lines
904 B
Modula-2
29 lines
904 B
Modula-2
LIBRARY COMM
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DESCRIPTION 'High-Speed Serial Communications Driver'
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EXETYPE WINDOWS
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CODE PRELOAD FIXED
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DATA PRELOAD FIXED SINGLE
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HEAPSIZE 1024
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EXPORTS
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INICOM @1
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SETCOM @2
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SETQUE @3
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RECCOM @4
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SNDCOM @5
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CTX @6
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TRMCOM @7
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STACOM @8
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CEXTFCN @9
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CFLUSH @10
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CEVT @11
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CEVTGET @12
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CSETBRK @13
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CCLRBRK @14
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GETDCB @15
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WEP @16 RESIDENTNAME
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SUSPENDOPENCOMMPORTS @17
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REACTIVATEOPENCOMMPORTS @18
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COMMWRITESTRING @19
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READCOMMSTRING @20
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ENABLENOTIFICATION @100
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COMMNOTIFYWNDPROC @101
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