51 lines
1.4 KiB
PHP
51 lines
1.4 KiB
PHP
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; ROM Windows specific include file
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;
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; INT 2F subfunction
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; if ROM installed, returns 0 in AX and RM segment of ROMTOC in
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; BX. Hooked by WIN.COM to pass ROMTOC to other components
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;
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ROMINSTALLCHECK equ 160Ch
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; ROM Table of Contents structure
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ROMTOC STRUC
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ROMSignature db 55h, 0AAh ; IBM standard ROM signature
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ROMLength db ? ; IBM length (/512)
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ROMEntryPoint db 5 dup (?) ; jmp near + retf + pad
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szID db 10 dup (?) ; ID string "ROMWINTOC\0"
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DOSX_CSIP dd ? ; DOSX initial CS:IP (seg:off)
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KRNL_CSIP dd ? ; Kernel initial CS:IP (sel:off)
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lmaROMLDT dd ? ; lma of ROM prototype LDT
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cROMsels dw ? ; # descriptors used in ROM proto LDT
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FirstROMsel dw ? ; first LDT selector in ROM proto LDT
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offSysDir dw ? ; offset to system directory string
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lmaHigh dd ? ; lma of high ROM
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lenHigh dd ? ; length in bytes of High ROM
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cModules dw ? ; # modules defined in ROM TOC
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cFiles dw ? ; # files defined in ROM TOC
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ModEntries db ? ; start of module entries
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; module entries follow at this point...
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; file entries start at ModEntries + cModules*(SIZE MODENT)
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ROMTOC ENDS
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; Module entry format in ROM TOC
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File_Name_Len = 13
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Module_Name_Len = 9
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MODENT STRUC
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ModNameStr db Module_Name_Len dup (?) ; Module name (null padded)
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FileNameStr db File_Name_Len dup (?) ; File name (null padded)
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lmaExeHdr dd ? ; lma of module EXE header
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MODENT ENDS
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FILENT STRUC
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fname db File_Name_Len dup(?) ; file name
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lma dd ? ; lma of start of file
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fsize dd ?
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FILENT ENDS
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