From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Wed, 7 Aug 2002 19:28:23 +0000 (+0000)
Subject: Remove unused code, port to new version
X-Git-Tag: V2.12.0~2250
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=8a4378e60ca7a9c924fd3782af456a47c29728f9;p=cc65

Remove unused code, port to new version


git-svn-id: svn://svn.cc65.org/cc65/trunk@1377 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/vic20/crt0.s b/libsrc/vic20/crt0.s
index 59b03af52..4a916f948 100644
--- a/libsrc/vic20/crt0.s
+++ b/libsrc/vic20/crt0.s
@@ -10,35 +10,10 @@
 	.import	     	_main
 	.import		__RAM_START__, __RAM_SIZE__	; Linker generated
 
+        .include        "zeropage.inc"
 	.include     	"vic20.inc"
 	.include     	"../cbm/cbm.inc"
 
-; ------------------------------------------------------------------------
-; Define and export the ZP variables for the Vic20 runtime
-
-	.exportzp   	sp, sreg, regsave
-	.exportzp   	ptr1, ptr2, ptr3, ptr4
-	.exportzp   	tmp1, tmp2, tmp3, tmp4
-	.exportzp   	regbank, zpspace
-
-.zeropage
-
-zpstart	= *
-sp:	      	.res   	2 	; Stack pointer
-sreg:	      	.res	2	; Secondary register/high 16 bit for longs
-regsave:      	.res	4	; slot to save/restore (E)AX into
-ptr1:	      	.res	2
-ptr2:	      	.res	2
-ptr3:	      	.res	2
-ptr4:	      	.res	2
-tmp1:	      	.res	1
-tmp2:	      	.res	1
-tmp3:	      	.res	1
-tmp4:	      	.res	1
-regbank:      	.res	6	; 6 byte register bank
-
-zpspace	= * - zpstart		; Zero page space allocated
-
 .code
 
 ; ------------------------------------------------------------------------
@@ -48,7 +23,7 @@ zpspace	= * - zpstart		; Zero page space allocated
         .word   Head            ; Load address
 Head:   .word   @Next
         .word   1000            ; Line number
-        .byte   $9E,"4109"      ; SYS 2061
+        .byte   $9E,"4109"      ; SYS 4109
         .byte   $00             ; End of BASIC line
 @Next:  .word   0               ; BASIC end marker
 	.reloc
@@ -80,12 +55,6 @@ L1:	lda	sp,x
        	tsx
        	stx    	spsave 		; Save the system stack ptr
 
-;	lda	$01
-;	sta	mmusave      	; Save the memory configuration
-;	and	#$F8
-;	ora	#$06		; Enable kernal+I/O, disable basic
-;	sta	$01
-
 	lda    	#<(__RAM_START__ + __RAM_SIZE__)
 	sta	sp
 	lda	#>(__RAM_START__ + __RAM_SIZE__)
@@ -111,8 +80,6 @@ _exit:	jsr	donelib		; Run module destructors
 
   	ldx	spsave
 	txs	   	  	; Restore stack pointer
-;	lda    	mmusave
-;	sta	$01	  	; Restore memory configuration
 
 ; Copy back the zero page stuff
 
@@ -134,4 +101,3 @@ zpsave:	.res	zpspace
 .bss
 
 spsave:	.res	1
-mmusave:.res	1