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AH = 30h AL = what to get 00h system info (see #00269) 01h drive info (see #00270) 02h access frequency (array of 30 words) 03h drive index (array of 32 bytes indicating BIOS drive for DOS drive) DS:DX -> buffer for info
Return:
AX = status (0000h successful, 8000h invalid info specifier)
Program: QUICKCACHE II is a shareware disk cache by P.R. Glassel and Associates, Inc.
Format of QUICKCACHE II system info: Offset Size Description (Table 00269)
00h BYTE flag:
Cache enabled01h BYTE flag:
Buffered writes enabled02h BYTE flag:
Buffered reads enabled03h BYTE flag:
Sounds enabled04h BYTE flag:
Autodismount enabled 05h BYTE ???06h BYTE flag:
???07h BYTE flag:
???08h BYTE flag:
"em_assigned"09h BYTE flag:
Emulated EMS 0Ah BYTE single sector bonus 0Bh BYTE "sticky_max" 0Ch BYTE write sector bonus 0Dh BYTE bonus threshold 0Eh WORD flush interval 10h WORD flush count 12h WORD reserve pool size 14h WORD remaining space in reserve pool 16h WORD required free memory 18h WORD total cache sectors 1Ah WORD dirty cache sectors 1Ch BYTE trace buffer size 1Dh BYTE reserved (padding)
See Also: #00270
Format of QUICKCACHE II drive info [16-element array, one element]: Offset Size Description (Table 00270) 00h BYTE DOS drive number 01h BYTE BIOS drive number 02h BYTE maximum sector number 03h BYTE maximum head number 04h BYTE read buffer size 05h BYTE write buffer size 06h BYTE last status
07h BYTE flag:
Enabled08h BYTE flag:
Buffered write enabled09h BYTE flag:
Buffered read enabled0Ah BYTE flag:
In use (drive info is valid)0Bh BYTE flag:
Cylinder flush 0Ch BYTE reserved (padding) 0Dh BYTE sectors per track 0Eh WORD sector size 10h WORD sectors assigned 12h WORD dirty sectors 14h WORD reserved sectors 16h WORD number of read errors 18h WORD number of write errors 1Ah DWORD "rio_count" 1Eh DWORD number of cache misses 22h DWORD "wio_count" 26h DWORD "dio_count"
See Also: #00269
Category: Caches/Spoolers - Int 13h - Q
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