Changeset 277 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers

Timestamp:

Feb 28, 2012, 2:45:48 PM (13 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

Moved the bulk of the serial code to the assembly library, for inclusion in other utilities. Fixed a bug in int13h.asm when floppy support was not enabled that was preventing foreign drives from working properly.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

@@ -36 +36 @@
     jz      short .OurFunction                      ; we handle all function 0h requests (resets)
     cmp     ah, 8
-%ifdef MODULE_SERIAL_FLOPPY
-    jnz     SHORT Int13h_DirectCallToAnotherBios    ; we handle all traffic for function 08h, 
-                                                    ; as we need to wrap both hard disk and floppy drive counts
-%else
-    jz      SHORT .OurFunction                      ; we handle all *hard disk* (only) traffic for function 08h, 
-                                                    ; as we need to wrap the hard disk drive count
-    test    dl, dl
+    jnz     SHORT Int13h_DirectCallToAnotherBios    ; non-8h function, handled by foreign bios
+
+%ifndef MODULE_SERIAL_FLOPPY
+; With floppy support, we handle all traffic for function 08h, as we need to wrap both hard disk and 
+; floppy drive counts.  Without floppy support, we handle only hard disk traffic for function 08h, 
+; and thus need the check below.
+;
+    test    dl, dl                              
     jns     SHORT Int13h_DirectCallToAnotherBios
 %endif