Changeset 400 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm

Timestamp:

Apr 20, 2012, 2:30:16 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Moved 8-bit device support to MODULE_8BIT_IDE.
• JR-IDE/ISA support requires a lot less bytes.
• AT builds now always use full operating mode.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm (modified) (6 diffs)

trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm

@@ -208 +208 @@
     mov     bl, [di+DPT.bIdevarsOffset]         ; CS:BX now points to IDEVARS
     mov     dx, [cs:bx+IDEVARS.wPort]           ; Load IDE Data port address
-%ifdef MODULE_ADVANCED_ATA
-    mov     bl, [di+DPT_ADVANCED_ATA.bDevice]
-%else
-    mov     bl, [cs:bx+IDEVARS.bDevice]         ; Load device type to BX
-%endif
+    mov     bl, [di+DPT_ATA.bDevice]
     add     bx, ax
 
@@ -235 +231 @@
 ;       AX, BX, CX
 ;--------------------------------------------------------------------
+%ifdef MODULE_8BIT_IDE
+
 ALIGN JUMP_ALIGN
 ReadBlockFromXtideRev1:
@@ -267 +265 @@
 %endif
 
+%endif  ; MODULE_8BIT_IDE
+
 ;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN
@@ -302 +302 @@
 ;       AX, CX
 ;--------------------------------------------------------------------
+%ifdef MODULE_8BIT_IDE
+
 ALIGN JUMP_ALIGN
 WriteBlockToXtideRev1:
@@ -361 +363 @@
 %endif
 
+%endif  ; MODULE_8BIT_IDE
+
 ;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN
@@ -387 +391 @@
 ALIGN WORD_ALIGN
 g_rgfnPioRead:
-    dw      ReadBlockFromXtideRev1      ; DEVICE_XTIDE_REV1
-%ifdef USE_186
-    dw      ReadBlockFrom16bitDataPort  ; DEVICE_XTIDE_REV2
-    dw      ReadBlockFrom16bitDataPort  ; DEVICE_FAST_XTIDE
+%ifdef MODULE_8BIT_IDE
+        dw      ReadBlockFromXtideRev1      ; DEVICE_XTIDE_REV1
+    %ifdef USE_186
+        dw      ReadBlockFrom16bitDataPort  ; DEVICE_XTIDE_REV2
+        dw      ReadBlockFrom16bitDataPort  ; DEVICE_FAST_XTIDE
+    %else
+        dw      ReadBlockFromXtideRev2      ; DEVICE_XTIDE_REV2
+        dw      ReadBlockFromXtideRev2      ; DEVICE_FAST_XTIDE
+    %endif
+
 %else
-    dw      ReadBlockFromXtideRev2      ; DEVICE_XTIDE_REV2
-    dw      ReadBlockFromXtideRev2      ; DEVICE_FAST_XTIDE
-%endif
-    dw      ReadBlockFrom16bitDataPort  ; DEVICE_16BIT_ATA
-    dw      ReadBlockFrom32bitDataPort  ; DEVICE_32BIT_ATA
+        times   COUNT_OF_8BIT_IDE_DEVICES   dw  0
+%endif
+        dw      ReadBlockFrom16bitDataPort  ; DEVICE_16BIT_ATA
+        dw      ReadBlockFrom32bitDataPort  ; DEVICE_32BIT_ATA
+
 
 g_rgfnPioWrite:
-    dw      WriteBlockToXtideRev1       ; DEVICE_XTIDE_REV1
-    dw      WriteBlockToXtideRev2       ; DEVICE_XTIDE_REV2
-%ifdef USE_186
-    dw      WriteBlockTo16bitDataPort   ; DEVICE_FAST_XTIDE
+%ifdef MODULE_8BIT_IDE
+        dw      WriteBlockToXtideRev1       ; DEVICE_XTIDE_REV1
+        dw      WriteBlockToXtideRev2       ; DEVICE_XTIDE_REV2
+    %ifdef USE_186
+        dw      WriteBlockTo16bitDataPort   ; DEVICE_FAST_XTIDE
+    %else
+        dw      WriteBlockToFastXtide       ; DEVICE_FAST_XTIDE
+    %endif
+
 %else
-    dw      WriteBlockToFastXtide       ; DEVICE_FAST_XTIDE
-%endif
-    dw      WriteBlockTo16bitDataPort   ; DEVICE_16BIT_ATA
-    dw      WriteBlockTo32bitDataPort   ; DEVICE_32BIT_ATA
+        times   COUNT_OF_8BIT_IDE_DEVICES   dw  0
+%endif
+        dw      WriteBlockTo16bitDataPort   ; DEVICE_16BIT_ATA
+        dw      WriteBlockTo32bitDataPort   ; DEVICE_32BIT_ATA