Tilemap scroll

026.tile_hscroll/Makefile

@@ -11,9 +11,13 @@ NUM_COLORS=16
 BOOTBLOCK_ASM=alpine_bootblock.s
 OBJS=out/init.o out/utils.o out/image.o out/blit.o out/scroll.o
 
-IMAGES=gigi_full.png
+#IMAGES=gigi_full.png
-IMAGEDATA=$(addprefix out/, $(IMAGES:.png=.bin))
+#IMAGEDATA=$(addprefix out/, $(IMAGES:.png=.bin))
-SIZEDIMAGEDATA=$(addprefix out/, $(IMAGES:.png=.sized.png))
+#SIZEDIMAGEDATA=$(addprefix out/, $(IMAGES:.png=.sized.png))
+
+TILEMAPS=tilemap.png
+TILEMAPDATA=$(addprefix out/, $(TILEMAPS:.png=.bin))
+
 VASM_EXTRA_ARGS=-DNUM_COLORS=$(NUM_COLORS)
 
 #SYMBOL_INFO=-M
@@ -22,12 +26,19 @@ LINKER_OPTIONS=-T link.script.x
 include ../shared/base.mk
 
 
-out/%.sized.png: ../assets/%.png
+#out/%.sized.png: ../assets/%.png
-	$(RESIZE) --width=352 --height=256 --blur=0.75 --input=$< --output=$@
+#	$(RESIZE) --width=352 --height=256 --blur=0.75 --input=$< --output=$@
 
-out/%.bin: out/%.sized.png
+#out/%.bin: out/%.sized.png
+#	$(IMAGECON) --input $< $(IMAGECON_ARGS) --quantize --colors $(NUM_COLORS) --output-bitplanes  --output-palette-asm --output-grey-palette --output-palette $(DITHER) --output out/$*
+
+out/%.bin: %.png
 	$(IMAGECON) --input $< $(IMAGECON_ARGS) --quantize --colors $(NUM_COLORS) --output-bitplanes  --output-palette-asm --output-grey-palette --output-palette $(DITHER) --output out/$*
 
+out/main-map.s: map.tmx
+	../tools/mapgen/out/mapgen --depth=4 --input=map.tmx
+	mv main-map.s out
+
 out/blit.o: constants.i macros.i
-out/main.o: $(IMAGEDATA) constants.i macros.i Makefile link.script.x palette.pal
+out/main.o: out/main-map.s $(TILEMAPDATA) $(IMAGEDATA) constants.i macros.i Makefile link.script.x palette.pal
 out/init.o: constants.i Makefile

026.tile_hscroll/blit.s

@@ -101,7 +101,7 @@ BlitScroll:
 
 BlitTile:
 	;; a0 - dest bitplane pointer
-	;; a1 - source bitplane pointer
+	;; a1 - source tile pointer
 	;; d2 - y tile index
 
 	WaitBlitter
@@ -109,12 +109,12 @@ BlitTile:
 	move.w	#0,BLTCON1(a6)		;
 	move.w	#BC0F_SRCA|BC0F_DEST|$f0,BLTCON0(a6)
 	
-	move.w 	#BITPLANE_WIDTH_BYTES-2,BLTAMOD(a6)
+	move.w 	#TILEMAP_WIDTH_BYTES-2,BLTAMOD(a6)
 	move.w 	#BITPLANE_WIDTH_BYTES-2,BLTDMOD(a6)		;
 
 	mulu.w	#BITPLANE_WIDTH_BYTES*SCREEN_BIT_DEPTH*16,d2
 	add.l	d2,a0
-	add.l	d2,a1
+	;; add.l	d2,a1
 	move.l 	a1,BLTAPTH(a6) 		; source
 	move.l 	a0,BLTDPTH(a6)		; dest
 	move.w	#$ffff,BLTAFWM(a6)

026.tile_hscroll/constants.i

@@ -5,6 +5,9 @@ SCREEN_WIDTH_WORDS	    equ SCREEN_WIDTH_BYTES/2
 BITPLANE_WIDTH		    equ 352
 BITPLANE_WIDTH_BYTES	    equ BITPLANE_WIDTH/8
 BITPLANE_WIDTH_WORDS	    equ BITPLANE_WIDTH_BYTES/2
+TILEMAP_WIDTH		    equ	256
+TILEMAP_WIDTH_BYTES	    equ	TILEMAP_WIDTH/8
+TILEMAP_WIDTH_WORDS	    equ	TILEMAP_WIDTH_BYTES/2
 
 			if NUM_COLORS==64
 SCREEN_BIT_DEPTH	equ 6

026.tile_hscroll/map.tmx

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<map version="1.0" orientation="orthogonal" renderorder="left-up" width="100" height="16" tilewidth="16" tileheight="16" nextobjectid="1">
+ <tileset firstgid="1" name="test" tilewidth="16" tileheight="16" tilecount="256" columns="16">
+  <image source="Projects/amiga/amiga_examples/026.tile_hscroll/tilemap.png" width="256" height="256"/>
+ </tileset>
+ <layer name="main" width="100" height="16" visible="0">
+  <data encoding="base64" compression="zlib">
+   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
+  </data>
+ </layer>
+</map>

026.tile_hscroll/test.asm

@@ -1,20 +0,0 @@
-	idnt	"test.c"
-	opt	0
-	opt	NQLPSMRBT
-	section	"CODE",code
-	public	_blah
-	cnop	0,4
-_blah
-	movem.l	l2,-(a7)
-	moveq	#0,d0
-	move.w	(6+l4,a7),d0
-	move.l	#320,-(a7)
-	move.l	d0,-(a7)
-	public	__lmods
-	jsr	__lmods
-	addq.w	#8,a7
-l1
-l2	reg
-l4	equ	0
-	rts
-; stacksize=8

026.tile_hscroll/test.c

@@ -1,4 +0,0 @@
-int blah(unsigned short x)
-{
-  return x % 320;
-}

026.tile_hscroll/tile_hscroll.s

@@ -30,6 +30,7 @@ Entry:
 
 	move.l	#0,d1 			; x pos 
 	move.l	#0,d2			; shift counter
+	move.l	#0,d3
 MainLoop:		
 	jsr 	WaitVerticalBlank
 	move.l	d1,d0		    ; x position in pixels
@@ -37,20 +38,25 @@ MainLoop:
 	jsr 	SwitchBuffers	    ; takes bitplane pointer offset in d0
 	add.l	#1,d1
 .backfill:
-	move.l	onscreen,a1
+	move.l	onscreen,a0
-	add.l	d0,a1
+	add.l	d0,a0
-	;; sub.l	#2,a1
-	move.l	a1,a0
 	add.l	#BITPLANE_WIDTH_BYTES-2,a0 ; dest
+	lea 	tilemap,a1
+	lea	map,a2
+	add.l	d3,a2
+	add.w	(a2),a1 	; source tile
 	jsr	BlitTile
-	move.l	offscreen,a1
+
-	add.l	d0,a1
+	move.l	offscreen,a0
-	;; 	sub.l	#2,a1	
+	add.l	d0,a0
-	move.l	a1,a0
+	add.l	#BITPLANE_WIDTH_BYTES-2,a0 ; dest
-	add.l	#BITPLANE_WIDTH_BYTES-2,a0
+	lea 	tilemap,a1
+	lea	map,a2
+	add.l	d3,a2
+	add.w	(a2),a1 	; source tile
 	jsr	BlitTile	
-
+	add.l	#2,d3
-
+	
 	cmp.l	#15,d2	
 	bne	.s1	
 	move.l	#0,d2
@@ -99,24 +105,27 @@ copperListBplPtr:
 	dc.l	$fffffffe
  
 InstallPalette:
-	include	"out/gigi_full-palette.s"
+	include	"out/tilemap-palette.s"
 	rts
 
-GreyPalette:
-	include	"out/gigi_full-grey.s"
-	rts	
 onscreen:
 	dc.l	bitplanes1
 offscreen:
 	dc.l	bitplanes2
 
+tilemap:
+	incbin "out/tilemap.bin"
+	
 bitplanes1:
-	incbin "out/gigi_full.bin"
+	ds.b	IMAGESIZE
 	ds.b	BITPLANE_WIDTH_BYTES*20
 bitplanes2:
-	incbin "out/gigi_full.bin"	
+	ds.b	IMAGESIZE
 	ds.b	BITPLANE_WIDTH_BYTES*20
 	
+map:
+	include "out/main-map.s"
+	
 	section .bss
 startUserstack:
 	ds.b	$1000		; size of stack