From: Alan Cox <alan@linux.intel.com>
Date: Mon, 25 Sep 2017 14:31:30 +0000 (+0100)
Subject: v65c816: fix platform code silliness
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=e3fc161257f1c1ad13fb0fc67935114420f97048;p=FUZIX.git

v65c816: fix platform code silliness
---

diff --git a/Kernel/platform-v65c816/crt0.s b/Kernel/platform-v65c816/crt0.s
index b0d5a730..f49fbbe7 100644
--- a/Kernel/platform-v65c816/crt0.s
+++ b/Kernel/platform-v65c816/crt0.s
@@ -66,14 +66,14 @@ entry:
 	rep	#$10
 	.i16
 
-	ldx	#kstack_top
+	ldx	#kstack_top-1
 	txs			; Stack (6502 not C)
 
 	lda	#'z'
 	sta	$FE20
 
-	ldx	#kstackc_top	; C stack
-	sta	sp
+	ldx	#kstackc_top-1	; C stack
+	stx	sp
 
 	ldx	#__BSS_RUN__
 
@@ -89,7 +89,7 @@ entry:
 	.a16
 
 	lda	#__BSS_SIZE__-2	; must be >=2  bytes or else
-	stz	0,x
+	stz	a:0,x
 	mvn	0,0
 		
 	sep #$30
@@ -99,7 +99,7 @@ entry:
 	lda	#'x'
 	sta	$FE20
 
-;	jsr	init_early
+	jsr	init_early
 	lda	#'.'
 	sta	$FE20
 	jsr	init_hardware
@@ -114,23 +114,6 @@ code:
 	sta	$FE20
 	lda	#10
 	sta	$FE20
-
-	rep	#$30
-	.a16
-	.i16
-
-	ldx	#U_DATA
-	ldy	#U_DATA+1
-	lda	#U_DATA__TOTALSIZE-2
-	stz	0,x
-	mvn	KERNEL_FAR,KERNEL_FAR
-
-	sep	#$30
-	.a8
-	.i8
-
-	lda	#'G'
-	sta	$FE20
 	jsr	_fuzix_main	; Should never return
 	sei			; Spin
 stop:	bra stop
diff --git a/Kernel/platform-v65c816/v65.s b/Kernel/platform-v65c816/v65.s
index a353acce..b800525a 100644
--- a/Kernel/platform-v65c816/v65.s
+++ b/Kernel/platform-v65c816/v65.s
@@ -108,17 +108,15 @@ common_patch:
 	.i8
 
 init_hardware:
-        ; set system RAM size for test purposes
+        ; set system RAM size	(FIXME: dynamic probe)
 	rep #$10
 	.i16
 	ldx #512
 	stx _ramsize
 	ldx #512-64
 	stx _procmem
-	ldx #syscall_vector
-	stx syscall
 
-	rep #$10
+	sep #$10
 	.i8
 
 	rts
@@ -163,7 +161,7 @@ _hd_read_data:
 	lda _hd_kmap		; page number
 	pha
 	plb			; data now points into user app
-	ldy #$00FE
+	ldy #$FE00
 	phy
 	pld			; DP is now the I/O space
 	
@@ -191,7 +189,7 @@ _hd_write_data:
 	lda _hd_kmap		; page number
 	pha
 	plb			; data now points into user app
-	ldy #$00FE
+	ldy #$FE00
 	phy
 	pld			; DP is now the I/O space