Z80 Routines:Graphic:largesprite - Revision history

Galandros: redirect

2010-06-25T09:13:36Z

redirect

2010-06-25T09:12:25Z

delete

2009-10-26T22:15:59Z

2009-10-25T19:49:36Z

2007-06-25T13:21:54Z

just realized something dumb

2007-06-25T13:20:04Z

minor fix...

2007-06-24T18:30:50Z

Adding a clipping large sprite routine.

2007-05-18T12:36:17Z

The contents table should be at the top!

2007-05-18T11:07:59Z

+ version that doesn't use shadow registers

2007-05-17T13:36:36Z

← Older revision	Revision as of 09:13, 25 June 2010
Line 1:	Line 1:
−	+	#REDIRECT [[Z80_Routines:Graphic:putLargeSprite]]

@@ Line 1: / Line 1: @@
-[[Category:Z80 Routines:Graphic|largesprite]][[Category:Z80 Routines|largesprite]]
+[[Category:Z80 Routines:Graphic|LargeSprite]][[Category:Z80 Routines|LargeSprite]]
 The '''Largesprite''' routine is used to copy the contents of a variable sized sprite to the Graph Buffer.
 == Code ==
@@ Line 410: / Line 409: @@
 	djnz BigSpriteRow
 	ret
-</nowiki>
+ </nowiki>

@@ Line 236: / Line 236: @@
 	or a
 	jp p,Check_clip_right
-	neg
+	cpl
-	dec a
 	and $F8
 	rra

@@ Line 237: / Line 237: @@
 	jp p,Check_clip_right
 	neg
 	and $F8
 	rra

← Older revision		Revision as of 12:36, 18 May 2007
Line 3:		Line 3:
	The sprite can be of any size (max. 96x64), so the input of the largesprite routine is quite big.		The sprite can be of any size (max. 96x64), so the input of the largesprite routine is quite big.

		+	== Code ==
	Here is Joe Wingbermuehle's version, which is the one used in ION.		Here is Joe Wingbermuehle's version, which is the one used in ION.

← Older revision	Revision as of 19:49, 25 October 2009
(No difference)

← Older revision		Revision as of 11:07, 18 May 2007
Line 131:		Line 131:
	#define gbuf $8E29		#define gbuf $8E29
	#endif</nowiki>		#endif</nowiki>
		+
		+
		+	== Version without shadow registers ==
		+
		+	by Tijl Coosemans, made for Venus. Compatible with ION's routine.
		+
		+	<nowiki>
		+	iLargeSprite
		+	ld h,0
		+	ld d,h
		+	ld e,l
		+	add hl,de
		+	add hl,de
		+	add hl,hl
		+	add hl,hl
		+	ld e,a
		+	srl e
		+	srl e
		+	srl e
		+	add hl,de
		+	ld de,screenBuf
		+	add hl,de
		+	and 7
		+	ld e,a
		+	iLargeSpriteLoop1
		+	push bc
		+	push hl
		+	ld b,c
		+	iLargeSpriteLoop2
		+	ld c,(ix)
		+	ld d,0
		+	inc ix
		+	ld a,e
		+	or a
		+	jr z,iLargeSprite1
		+	iLargeSpriteLoop3
		+	srl c
		+	rr d
		+	dec a
		+	jr nz,iLargeSpriteLoop3
		+	iLargeSprite1
		+	ld a,c
		+	xor (hl)
		+	ld (hl),a
		+	inc hl
		+	ld a,d
		+	xor (hl)
		+	ld (hl),a
		+	djnz iLargeSpriteLoop2
		+	pop hl
		+	ld c,12
		+	add hl,bc
		+	pop bc
		+	djnz iLargeSpriteLoop1
		+	ret
		+	</nowiki>

@@ Line 1: / Line 1: @@
 [[Category:Z80 Routines:Graphic|largesprite]][[Category:Z80 Routines|largesprite]]
-The '''Largesprite''' routine is used to copy the content of a sprite to the Graph Buffer. The sprite can be of any size (max. 96x64), so the input of the largesprite routine is quite big.
+The '''Largesprite''' routine is used to copy the content of a sprite to the Graph Buffer.
 Here is Joe Wingbermuehle's version, which is the one used in ION.
@@ Line 78: / Line 79: @@
     ret                                ;return</nowiki>
-===Example===
+== Example ==
------
   <nowiki>
     ;...
@@ Line 101: / Line 101: @@
     .db %11111111,%11111111</nowiki>
-===Macro===
+== Macro ==
------
 This macro can be used with Tasm or Spasm.
   #define lsprite(lsprite_down,lsprite_right,lsprite_size_down,lsprite_size_right,lsprite_address) ld a,lsprite_down \ ld l,a \ ld a,lsprite_right \ ld b,lsprite_size_down \ ld c,lsprite_size_right \ ld ix,lsprite_address \ call largesprite
@@ Line 124: / Line 123: @@
     .db %11111111,%11111111</nowiki>
-===Differences between the 83+ and the 83 in Largesprite===
+== Differences between the 83+ and the 83 in Largesprite ==
------
 You need to define 'gbuf' which is [[83Plus:RAM:9340|$9340]] on the Ti83+ and [[83:RAM:8E29|$8E29]] on the Ti83 before you include the largesprite routine.
   <nowiki>