kbd optimizations

Source/HBIOS/kbd.asm

@@ -101,9 +101,9 @@ KBD_CON_IOF	.EQU	$20	; XLAT DISABLED, MOUSE DISABLED, NO INTS
 ; KEYBOARD PRE-INITIALIZATION
 ;__________________________________________________________________________________________________
 ;
-; TO BE CALLED PRIOR TO INITERRUPTS BEING ENABLED
+; TO BE CALLED PRIOR TO INTERRUPTS BEING ENABLED
 ; MUST BE CALLED FROM VIDEO DRIVER PREINIT WITH IY SET
-; THIS PREVENTS INTRERRUPT ISSUES IF 8242 HAS INTERRUPTS ENABLED
+; THIS PREVENTS INTERRUPT ISSUES IF 8242 HAS INTERRUPTS ENABLED
 ;
 ; AT STARTUP.  NOT USING IT FOR NOW BECAUSE IT IS NOT A PROBLEM IF
 ; YOU DON'T USE THE KEYBOARD DURING BOOT.
@@ -156,11 +156,11 @@ KBD_INIT:
 	CP	KBDMODE_VRC		; VRC?
 	JR	Z,KBD_INIT1		; IF SO, MUST ASSUME PRESENT
 ;
-	HB_DI				; DISABLE INTERRUPTS WHILE WE PROBE
+;	HB_DI				; DISABLE INTERRUPTS WHILE WE PROBE
 	LD	A,KBD_CON_CST		; CONTROLLER SELF TEST
 	CALL	KBD_PUTCMD		; SEND IT
 	CALL	KBD_GETDATA_P		; CONTROLLER SHOULD RESPOND WITH $55 (ACK)
-	HB_EI				; RESTORE INTERRUPTS
+;	HB_EI				; RESTORE INTERRUPTS
 ;
 	CP	$55			; IS IT THERE?
 	JR	Z,KBD_INIT1		; IF SO, CONTINUE
@@ -386,7 +386,7 @@ KBD_RESET:
 	LD	A,$FF		; RESET COMMAND
 	CALL	KBD_PUTDATA	; SEND IT
 	CALL	KBD_GETDATA	; GET THE ACK
-	LD	B,0		; SETUP LOOP COUNTER
+	LD	KBD_WAITTO	; SETUP LOOP COUNTER
 KBD_RESET0:
 	PUSH	BC		; PRESERVE COUNTER
 	CALL	KBD_GETDATA	; TRY TO GET THE RESPONSE
@@ -549,8 +549,8 @@ KBD_DEC1:	; PROCESS NEXT SCANCODE
 	RET	Z			; NO KEY READY, RETURN WITH A=0, Z SET
 	LD	(KBD_SCANCODE),A	; SAVE SCANCODE
 
-KBD_DEC2:	; DETECT AND HANDLE SPECIAL KEYCODES
-	LD	A,(KBD_SCANCODE)	; GET THE CURRENT SCANCODE
+;KBD_DEC2:	; DETECT AND HANDLE SPECIAL KEYCODES
+;	LD	A,(KBD_SCANCODE)	; GET THE CURRENT SCANCODE
 	CP	$AA			; KEYBOARD INSERTION?
 	JR	NZ,KBD_DEC3		; NOPE, BYPASS
 	CALL	LDELAY			; WAIT A BIT