From: ol.sc <ol.sc@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Sat, 23 Jan 2010 08:55:37 +0000 (+0000)
Subject: Quite some minor changes to have the two C128 TGI driver source files only differ... 
X-Git-Tag: V2.13.2~47
X-Git-Url: https://git.sur5r.net/?p=cc65;a=commitdiff_plain;h=16129b2724d98e8ba750bd1984911ff01e013d8c

Quite some minor changes to have the two C128 TGI driver source files only differ where they are semantically different.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4552 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/c128/c128-640-200-2.s b/libsrc/c128/c128-640-200-2.s
index 1a51eb903..0dc7a7c78 100644
--- a/libsrc/c128/c128-640-200-2.s
+++ b/libsrc/c128/c128-640-200-2.s
@@ -453,8 +453,8 @@ SETPALETTE:
 	ora	COLTRANS,y
 
 	ldx	#VDC_COLORS
-       	jsr     VDCWriteReg     ; Clear error code
-        lda     #TGI_ERR_OK
+       	jsr     VDCWriteReg
+        lda     #TGI_ERR_OK     ; Clear error code
         sta     ERROR
         rts
 
@@ -766,59 +766,59 @@ BAR:
 ; Original code for a horizontal line
 
 HORLINE:
-  	lda X1
-  	pha
-  	lda X1+1
-  	pha
-  	jsr CALC		; get data for LEFT
-  	lda BITMASKL,x		; remember left address and bitmask
-  	pha
-  	lda ADDR
-  	pha
-  	lda ADDR+1
-  	pha
-
-  	lda X2
-  	sta X1
-  	lda X2+1
-  	sta X1+1
-  	jsr CALC		; get data for RIGHT
-  	lda BITMASKR,x
-  	sta TEMP3
-
-  	pla			; recall data for LEFT
-  	sta X1+1
-  	pla
-  	sta X1			; put left address into X1
-  	pla
-
-  	cmp #%11111111		; if left bit <> 0
-  	beq @L1
-  	sta TEMP2		; do left byte only...
-  	lda X1
-  	ldy X1+1
-  	jsr VDCSetSourceAddr
-  	jsr VDCReadByte
-  	sta TEMP
-  	eor BITMASK
-  	and TEMP2
-  	eor TEMP
-  	pha
-  	lda X1
-  	ldy X1+1
-  	jsr VDCSetSourceAddr
-  	pla
-  	jsr VDCWriteByte
-  	inc X1			; ... and proceed
-  	bne @L1
-  	inc X1+1
-
-  	; do right byte (if Y2=0 ++ADDR and skip)
+	lda X1
+	pha
+	lda X1+1
+	pha
+	jsr CALC		; get data for LEFT
+	lda BITMASKL,x		; remember left address and bitmask
+	pha
+	lda ADDR
+	pha
+	lda ADDR+1
+	pha
+
+	lda X2
+	sta X1
+	lda X2+1
+	sta X1+1
+	jsr CALC		; get data for RIGHT
+	lda BITMASKR,x
+	sta TEMP3
+
+	pla			; recall data for LEFT
+	sta X1+1
+	pla
+	sta X1			; put left address into X1
+	pla
+
+	cmp #%11111111		; if left bit <> 0
+	beq @L1
+	sta TEMP2		; do left byte only...
+	lda X1
+	ldy X1+1
+	jsr VDCSetSourceAddr
+	jsr VDCReadByte
+	sta TEMP
+	eor BITMASK
+	and TEMP2
+	eor TEMP
+	pha
+	lda X1
+	ldy X1+1
+	jsr VDCSetSourceAddr
+	pla
+	jsr VDCWriteByte
+	inc X1			; ... and proceed
+	bne @L1
+	inc X1+1
+
+	; do right byte (if Y2=0 ++ADDR and skip)
 @L1:	lda TEMP3
-  	cmp #%11111111		; if right bit <> 7
-  	bne @L11
-  	inc ADDR		; right bit = 7 - the next one is the last
-  	bne @L10
+	cmp #%11111111		; if right bit <> 7
+	bne @L11
+	inc ADDR		; right bit = 7 - the next one is the last
+	bne @L10
 	inc ADDR+1
 @L10:	bne @L2
 
@@ -881,6 +881,7 @@ HORLINE:
 
 @L5:	jmp	HORLINE
 
+
 ; ------------------------------------------------------------------------
 ; TEXTSTYLE: Set the style used when calling OUTTEXT. Text scaling in X and Y
 ; direction is passend in X/Y, the text direction is passed in A.
diff --git a/libsrc/c128/c128-640-480-2.s b/libsrc/c128/c128-640-480-2.s
index af3591bf3..d72f8cd3e 100644
--- a/libsrc/c128/c128-640-480-2.s
+++ b/libsrc/c128/c128-640-480-2.s
@@ -56,7 +56,7 @@ VDC_DATA	  = 31
 ; capabilities of the driver
 
         .byte   $74, $67, $69           ; "tgi"
-        .byte   TGI_API_VERSION         ; TGI version number
+        .byte   TGI_API_VERSION         ; TGI API version number
 xres:   .word   640                     ; X resolution
 yres:   .word   480                     ; Y resolution
         .byte   2                       ; Number of drawing colors
@@ -123,7 +123,7 @@ BITMASK:        .res    1       ; $00 = clear, $FF = set pixels
 
 OLDCOLOR:	.res	1	; colors before entering gfx mode
 
-; Line routine stuff (combined with CIRCLE to save space)
+; Line routine stuff
 
 COUNT:		 .res	2
 NY:		 .res	2
@@ -283,13 +283,13 @@ UNINSTALL:
 
 INIT:
 	lda	pages			; is there enough memory?
-	bne	@L11			; Jump if there is one screen
+	bne	@L1			; Jump if there is one screen
 	lda	#TGI_ERR_INV_MODE	; Error
 	bne	@L9
 
 ; Initialize variables
 
-@L11:   ldx     #$FF
+@L1:    ldx     #$FF
         stx     BITMASK
 
 ; Remeber current color value
@@ -494,23 +494,23 @@ GETDEFPALETTE:
 SETPIXEL:
         jsr     CALC            ; Calculate coordinates
 
-  	stx	TEMP
-  	lda	ADDR
-  	ldy	ADDR+1
-  	jsr	VDCSetSourceAddr
-  	jsr	VDCReadByte
-  	ldx	TEMP
+	stx	TEMP
+	lda	ADDR
+	ldy	ADDR+1
+	jsr	VDCSetSourceAddr
+	jsr	VDCReadByte
+	ldx	TEMP
 
-  	sta	TEMP
+	sta	TEMP
         eor     BITMASK
         and     BITTAB,X
-  	eor	TEMP
-  	pha
-  	lda	ADDR
-  	ldy	ADDR+1
-  	jsr	VDCSetSourceAddr
-  	pla
-  	jsr	VDCWriteByte
+	eor	TEMP
+	pha
+	lda	ADDR
+	ldy	ADDR+1
+	jsr	VDCSetSourceAddr
+	pla
+	jsr	VDCWriteByte
 
 @L9:    rts
 
@@ -645,7 +645,7 @@ LINE:
 	bne	@L0167
 	rts
 	;    setpixel(X1,Y1)
-@L0167:	jsr  	SETPIXEL
+@L0167:	jsr	SETPIXEL
 	;    pb = err + ny
 	lda	ERR
 	clc