Changeset 167 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/EBIOS/AH41h_CheckIfExtensionsPresent.asm
- Timestamp:
- Aug 21, 2011, 3:42:15 PM (13 years ago)
- google:author:
- aitotat@gmail.com
- File:
-
- 1 edited
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trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/EBIOS/AH41h_CheckIfExtensionsPresent.asm
r165 r167 17 17 ; Returns with INTPACK: 18 18 ; AH: Major version of EBIOS extensions 19 ; BX: 55AAh19 ; BX: AA55h 20 20 ; CX: Support bits 21 21 ; CF: 0 if succesfull, 1 if error … … 26 26 jne SHORT .EbiosNotSupported 27 27 28 mov BYTE [bp+IDEPACK.intpack+INTPACK.ah], EBIOS_VERSION 29 mov WORD [bp+IDEPACK.intpack+INTPACK.bx], 0AA55h 28 30 mov WORD [bp+IDEPACK.intpack+INTPACK.cx], ENHANCED_DRIVE_ACCESS_SUPPORT 29 mov ah, EBIOS_VERSION30 31 and BYTE [bp+IDEPACK.intpack+INTPACK.flags], ~FLG_FLAGS_CF ; Return with CF cleared 31 32 jmp Int13h_ReturnFromHandlerWithoutStoringErrorCode
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