2021-02-16 20:19:48 +00:00
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( controller )
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2021-02-14 19:51:36 +00:00
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:dev/r fff8 ( const read port )
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:dev/w fff9 ( const write port )
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;x 2 ;y 2
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|0100 @RESET
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2021-02-15 03:43:33 +00:00
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#03 =dev/r ( set dev/read to controller )
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#02 =dev/w ( set dev/write to sprite )
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2021-02-15 01:00:17 +00:00
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#0080 =x #0040 =y ( origin )
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2021-02-15 22:42:53 +00:00
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#0101 ,cursor_icn ~x ~y ,putsprite JSR ( draw sprite )
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2021-02-14 19:51:36 +00:00
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BRK
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|0200 @SPRITESHEET
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2021-02-15 22:42:53 +00:00
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@cursor_icn [ 80c0 e0f0 f8e0 1000 ]
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2021-02-14 19:51:36 +00:00
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BRK
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|c000 @FRAME
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2021-02-15 04:23:00 +00:00
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#05 =dev/r ( set dev/read to mouse )
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#04 IOR #01 NEQ ,next0 ROT JMP? POP2
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#00 IOR2 =x #02 IOR2 =y
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2021-02-14 19:51:36 +00:00
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@next0
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2021-02-15 01:00:17 +00:00
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2021-02-15 04:23:00 +00:00
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#03 =dev/r ( set dev/read to controller )
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2021-02-15 01:00:17 +00:00
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2021-02-15 04:23:00 +00:00
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#00 IOR #10 NEQ ,next1 ROT JMP? POP2
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~y #0001 SUB2 =y
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2021-02-14 19:51:36 +00:00
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@next1
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2021-02-15 04:23:00 +00:00
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#00 IOR #20 NEQ ,next2 ROT JMP? POP2
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~y #0001 ADD2 =y
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2021-02-15 01:00:17 +00:00
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2021-02-14 19:51:36 +00:00
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@next2
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2021-02-15 04:23:00 +00:00
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#00 IOR #40 NEQ ,next3 ROT JMP? POP2
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~x #0001 SUB2 =x
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@next3
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2021-02-15 01:00:17 +00:00
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#00 IOR #80 NEQ ,end ROT JMP? POP2
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~x #0001 ADD2 =x
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@end
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2021-02-14 19:51:36 +00:00
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( redraw )
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2021-02-15 22:42:53 +00:00
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#0101 ,cursor_icn ~x ~y ,putsprite JSR
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2021-02-14 19:51:36 +00:00
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BRK
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@putsprite
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IOW2 ( y short )
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IOW2 ( x short )
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IOW2 ( sprite address )
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2021-02-15 22:42:53 +00:00
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IOW2 ( redraw byte )
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2021-02-14 19:51:36 +00:00
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RTS
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|d000 @ERROR BRK
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|FFFA .RESET .FRAME .ERROR
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