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small sprite demo 7800


Heaven/TQA

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and here is the animation one...

 

yoshi and the chicken... source code included...

 

tools used...

 

google to find sprite archives (there are really once...thank internet...)

 

the animations were loaded into GIMP and then cut out manually each frame. then put into a 256x32x4 BMP which then was converted by atari 800 turbo basic tool into format suitable for 7800 MARIA...

 




here is the turbo basic XL listing... H2 device was set to the PC folder with my gfx...



1 GRAPHICS 15+16

2 OPEN #1,4,0,"H2:YOSHI.BMP"

3 BGET #1,DPEEK(88),70

4 GET K

12 REM TRAP 99

20 FOR J=0 TO 31

30   FOR I=0 TO 159 STEP 2

40     GET #1,A

41     C1=A&$0F:C2=A&$F0

45     C2=C2 DIV 16

50     COLOR C2:PLOT I,J:COLOR C1:PLOT I+1,J›60   NEXT I

61   FOR I=0 TO 95 STEP 2

62     GET #1,A

63     C1=A&$0F:C2=A&$F0

64     C2=C2 DIV 16

65     COLOR C2:PLOT I,J+64:COLOR C1:PLOT I+1,J+64

66   NEXT I

70 NEXT J

99 CLOSE #1:GET K:REM EXEC TEST

100 OPEN #1,8,0,"H2:SPRITEANI.RAW"

110 A=DPEEK(88)

115 FOR J=0 TO 31

120   BPUT #1,A+J*40,40

125   BPUT #1,A+(J+64)*40,40

130   BPUT #1,$5000,176

140 NEXT J

165 CLOSE #1

200 GRAPHICS 15+16

210 OPEN #1,4,0,"H2:SPRITEANI.RAW"

215 A=DPEEK(88)

220 FOR I=0 TO 31

225   BGET #1,A+I*40,40

230   BGET #1,A+(I+64)*40,40

235   BGET #1,$5000,176›240 NEXT I

999 END 

1000 PROC TEST

1020   FOR I=0 TO 159 STEP 28

1030     COLOR 1:PLOT I,0:DRAWTO I,100

1040   NEXT I

1050   DO :LOOP 

1070 ENDPROC 



 

turbo basic XL rules! ;) very rapid atari development... ;)

sprite2.zip

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strange...why?

 

what could be the reason? header?

 

No, it's not the header, you don't need a header on the real hardware.

It doesn't look like an authentication problem either. Maybe one of the other guys has an idea.

 

Mitch

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