From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Tue, 15 Jul 2008 18:34:20 +0000 (+0000)
Subject: Move zpsave into its own segment to decrease the executable size.
X-Git-Tag: V2.12.0~8
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=258a8e7d4c1f43dbc2918af5a15dda24113dc626;p=cc65

Move zpsave into its own segment to decrease the executable size.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3852 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/apple2/crt0.s b/libsrc/apple2/crt0.s
index bc3771832..ec61770bc 100644
--- a/libsrc/apple2/crt0.s
+++ b/libsrc/apple2/crt0.s
@@ -11,7 +11,7 @@
         .import        	__RAM_START__ , __RAM_LAST__	; Linker generated
         .import         __MOVE_START__, __MOVE_LAST__	; Linker generated
         .import         __LC_START__  , __LC_LAST__	; Linker generated
-        .import        	__BSS_RUN__   , __INIT_SIZE__	; Linker generated
+        .import        	__ZPSAVE_RUN__, __INIT_SIZE__	; Linker generated
         .import        	__INTERRUPTOR_COUNT__		; Linker generated
 
         .include        "zeropage.inc"
@@ -24,8 +24,8 @@
         .segment        "EXEHDR"
 
         .addr           __RAM_START__			; Start address
-        .word           __BSS_RUN__   - __RAM_START__ + \
-			__MOVE_LAST__ - __MOVE_START__	; Size
+        .word           __ZPSAVE_RUN__ - __RAM_START__ + \
+			__MOVE_LAST__  - __MOVE_START__	; Size
 
 ; ------------------------------------------------------------------------
 
@@ -42,14 +42,14 @@
 	bit	$C081
 	
 	; Set source start address
-	lda	#<(__BSS_RUN__ + __INIT_SIZE__)
-	ldy	#>(__BSS_RUN__ + __INIT_SIZE__)
+	lda	#<(__ZPSAVE_RUN__ + __INIT_SIZE__)
+	ldy	#>(__ZPSAVE_RUN__ + __INIT_SIZE__)
 	sta	$9B
 	sty	$9C
 	
 	; Set source last address
-	lda	#<(__BSS_RUN__ + __INIT_SIZE__ + __LC_LAST__ - __LC_START__)
-	ldy	#>(__BSS_RUN__ + __INIT_SIZE__ + __LC_LAST__ - __LC_START__)
+	lda	#<(__ZPSAVE_RUN__ + __INIT_SIZE__ + __LC_LAST__ - __LC_START__)
+	ldy	#>(__ZPSAVE_RUN__ + __INIT_SIZE__ + __LC_LAST__ - __LC_START__)
 	sta	$96
 	sty	$97
 
@@ -64,14 +64,14 @@
 	jsr	$D396		; BLTU + 3
 
 	; Set source start address
-	lda	#<__BSS_RUN__
-	ldy	#>__BSS_RUN__
+	lda	#<__ZPSAVE_RUN__
+	ldy	#>__ZPSAVE_RUN__
 	sta	$9B
 	sty	$9C
 	
 	; Set source last address
-	lda	#<(__BSS_RUN__ + __INIT_SIZE__)
-	ldy	#>(__BSS_RUN__ + __INIT_SIZE__)
+	lda	#<(__ZPSAVE_RUN__ + __INIT_SIZE__)
+	ldy	#>(__ZPSAVE_RUN__ + __INIT_SIZE__)
 	sta	$96
 	sty	$97
 
@@ -253,12 +253,16 @@ reset:  stx     SOFTEV
 
         .data
 
-zpsave: .res    zpspace
-
 params: .byte   $02		; Parameter count
 intnum: .byte   $00		; Interrupt number
         .addr   intrpt		; Interrupt handler
 
+; ------------------------------------------------------------------------
+
+        .segment        "ZPSAVE"
+
+zpsave: .res    zpspace
+
 ; ------------------------------------------------------------------------
 
         .bss
diff --git a/src/ld65/cfg/apple2.cfg b/src/ld65/cfg/apple2.cfg
index 9ef6f3271..c4168cb95 100644
--- a/src/ld65/cfg/apple2.cfg
+++ b/src/ld65/cfg/apple2.cfg
@@ -16,6 +16,7 @@ SEGMENTS {
     CODE:     load = RAM,             type = ro;
     RODATA:   load = RAM,             type = ro;
     DATA:     load = RAM,             type = rw;
+    ZPSAVE:   load = RAM,             type = bss, define   = yes;
     BSS:      load = RAM,             type = bss, define   = yes;
     INIT:     load = MOVE, run = RAM, type = ro,  define   = yes;
     HIGHCODE: load = MOVE, run = LC,  type = ro,  optional = yes;