Changeset 473 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/RamVars.asm

Timestamp:

Oct 10, 2012, 6:22:23 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Large changes to prepare full XT-CF support (DMA not yet implemented and memory mapped transfers are not working).

File:

• trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/RamVars.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/RamVars.asm

@@ -208 +208 @@
     ret
 
+
 %ifdef MODULE_SERIAL_FLOPPY
 ;--------------------------------------------------------------------
 ; RamVars_UnpackFlopCntAndFirstToAL
 ;   Parameters:
-;       Nothing
+;       DS:     RAMVARS segment
 ;   Returns:
 ;       AL:     First floppy drive number supported
@@ -226 +227 @@
     ret
 %endif
+
+
+;--------------------------------------------------------------------
+; RamVars_IsDriveDetectionInProgress
+;   Parameters:
+;       DS:     RAMVARS segment
+;   Returns:
+;       ZF:     Set if drive detection is in progress (ROM initialization)
+;   Corrupts registers:
+;       None
+;--------------------------------------------------------------------
+RamVars_IsDriveDetectionInProgress:
+    cmp     WORD [RAMVARS.wSignature], RAMVARS_DRV_DETECT_SIGNATURE
+    ret