Changeset 148 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Common/HTimer.asm

Timestamp:

Mar 19, 2011, 8:09:41 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• INT 13h optimizations to save almost 100 bytes.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Common/HTimer.asm (modified) (5 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/Common/HTimer.asm

@@ -45 +45 @@
 ; RTC resolution is 977 microsecs.
 ;
-; HTimer_MicrosecondsFromAX
+; HTimer_DelayMicrosecondsFromAX
 ;   Parameters:
 ;       AX:     Number of microsecs to wait
@@ -53 +53 @@
 ;       AX
 ;--------------------------------------------------------------------
-HTimer_MicrosecondsFromAX:
+HTimer_DelayMicrosecondsFromAX:
 %ifndef USE_AT
     mov     ax, 1
@@ -62 +62 @@
 
     xor     cx, cx
-    xchg    dx, ax                          ; Microsecs now in CX:DX
+    xchg    dx, ax                      ; Microsecs now in CX:DX
     mov     ah, EVENT_WAIT
     int     BIOS_SYSTEM_INTERRUPT_15h
-    sti                                     ; XT BIOSes return with interrupt disabled
+    sti                                 ; XT BIOSes return with interrupt disabled
 
     pop     cx
     pop     dx
-    mov     ax, 1                           ; Prepare to wait 1 timer tick
-    jc      SHORT HTimer_TimerTicksFromAX   ; Event Wait was unsupported or busy
+    mov     ax, 1                               ; Prepare to wait 1 timer tick
+    jc      SHORT HTimer_DelayTimerTicksFromAX  ; Event Wait was unsupported or busy
     ret
 %endif
@@ -79 +79 @@
 ; will occur at 54.9 ms intervals.
 ;
-; HTimer_TimerTicksFromAX
+; HTimer_DelayTimerTicksFromAX
 ;   Parameters:
 ;       AX:     Number of timer ticks to wait
@@ -87 +87 @@
 ;       AX
 ;--------------------------------------------------------------------
-HTimer_TimerTicksFromAX:
+HTimer_DelayTimerTicksFromAX:
     sti                             ; Make sure that interrupts are enabled
     call    ReadTimeFromBdaToCX