From f46c46abe1380d9576856877b5c122b650b649b3 Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Fri, 14 Sep 2001 17:09:22 +0000
Subject: [PATCH] Video RAM location is now defined in the linker config

git-svn-id: svn://svn.cc65.org/cc65/trunk@924 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 libsrc/cbm510/crt0.s  | 9 +++++----
 libsrc/cbm510/io.inc  | 3 +--
 libsrc/cbm510/kplot.s | 7 ++++---
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/libsrc/cbm510/crt0.s b/libsrc/cbm510/crt0.s
index 076d44d35..15335a1e9 100644
--- a/libsrc/cbm510/crt0.s
+++ b/libsrc/cbm510/crt0.s
@@ -7,7 +7,8 @@
    	.export	     	_exit
      	.import		_clrscr, initlib, donelib
      	.import	     	push0, _main
-     	.import	       	__BSS_RUN__, __BSS_SIZE__
+	.import		__VIDRAM_START__
+	.import	       	__BSS_RUN__, __BSS_SIZE__
      	.import		irq, nmi
        	.import	       	k_irq, k_nmi, k_plot, k_udtim, k_scnkey
 
@@ -257,14 +258,14 @@ Z4:
   	ora	#$20
   	sta	(tpi1),y
 
-; Set bit 14/15 of the VIC address range to the high bits of VIDEO_RAM
+; Set bit 14/15 of the VIC address range to the high bits of __VIDRAM_START__
 ; PC6/PC7 (VICBANKSEL 0/1) = 11
 
 	ldy    	#tpiPortC
 	lda	(tpi2),y
 	sta	vidsave+1
 	and	#$3F
-       	ora    	#((>VIDEO_RAM) & $C0)
+       	ora    	#<((>__VIDRAM_START__) & $C0)
 	sta	(tpi2),y
 
 ; Set bits 10-13 of the VIC address range to address F800
@@ -273,7 +274,7 @@ Z4:
 	lda	(vic),y
 	sta	vidsave+2
 	and	#$0F
-       	ora    	#(((>VIDEO_RAM) & $3F) << 2)
+       	ora    	#<(((>__VIDRAM_START__) & $3F) << 2)
 	sta	(vic),y
 
 ; Switch back to the execution bank
diff --git a/libsrc/cbm510/io.inc b/libsrc/cbm510/io.inc
index a67c4099c..9f9939d9e 100644
--- a/libsrc/cbm510/io.inc
+++ b/libsrc/cbm510/io.inc
@@ -153,6 +153,5 @@ VIC_BG_COLOR3  	= $24
 
 ; Out video memory address
 
-VIDEO_RAM   = $F800
-COLOR_RAM   = $D400
+COLOR_RAM   = $D400			; System bank
 
diff --git a/libsrc/cbm510/kplot.s b/libsrc/cbm510/kplot.s
index ec7123a4f..14369ce71 100644
--- a/libsrc/cbm510/kplot.s
+++ b/libsrc/cbm510/kplot.s
@@ -5,6 +5,7 @@
 ;
 
       	.export		k_plot
+	.import		__VIDRAM_START__
 	.importzp	crtc
 
       	.include      	"zeropage.inc"
@@ -27,7 +28,7 @@
     	sta	CRAM_PTR
     	lda    	LineMSBTab,x
     	sta    	SCREEN_PTR+1
-    	sub	#>VIDEO_RAM
+    	sub	#>__VIDRAM_START__
     	add	#>COLOR_RAM
     	sta	CRAM_PTR+1
 
@@ -45,7 +46,7 @@ get:	ldx	CURS_Y
 
 .macro  LineLoTab
 	.repeat 25, I
-	.byte   <(VIDEO_RAM + I * 40)
+	.byte   <(__VIDRAM_START__ + I * 40)
 	.endrep
 .endmacro
 
@@ -56,7 +57,7 @@ LineLSBTab:    	LineLoTab
 
 .macro  LineHiTab
 	.repeat 25, I
-	.byte   >(VIDEO_RAM + I * 40)
+	.byte   >(__VIDRAM_START__ + I * 40)
 	.endrep
 .endmacro
 
-- 
2.39.5