0
0
Fork 0
mirror of https://git.sr.ht/~rabbits/uxn synced 2024-11-08 07:15:04 +00:00
uxn/examples/paint.usm
2021-02-19 09:59:46 -08:00

93 lines
2 KiB
Text

( sprite )
:dev/r fff8 ( std read port )
:dev/w fff9 ( std write port )
;mousex 2 ;mousey 2 ;lastx 2 ;lasty 2 ;color 1 ;mode 1 ;state 1 ;brush 2
|0100 @RESET
#05 =dev/r ( set dev/read mouse )
#02 =dev/w ( set dev/write to sprite )
#05 =color
,draw-interface JSR
,brush_large ,brush STR2
BRK
|c000 @FRAME
#02 =dev/w ( set dev/write to sprite )
( clear last cursor )
#10 ,clear_icn ~lastx ~lasty ,draw-sprite JSR
( record mouse values )
#00 IOR2 =mousex #02 IOR2 =mousey
#04 IOR #11 ADD =state
~state ,cursor_icn ~mousex ~mousey ,draw-sprite JSR
( check click )
#04 IOR #00 EQU ,end-touch ROT JMP? POP2
( check interface )
#00 IOR2 #0008 DIV2 #0001 NEQ2 ,end-interface ROT JMP? POP2
@option0
#02 IOR2 #0008 DIV2 #0004 NEQ2 ,option1 ROT JMP? POP2
,brush_large =brush BRK
@option1
#02 IOR2 #0008 DIV2 #0005 NEQ2 ,option2 ROT JMP? POP2
,brush_small =brush BRK
@option2
#02 IOR2 #0008 DIV2 #0006 NEQ2 ,option3 ROT JMP? POP2
,brush_tiny =brush BRK
@option3
#02 IOR2 #0008 DIV2 #000b NEQ2 ,option4 ROT JMP? POP2
#05 =color BRK
@option4
#02 IOR2 #0008 DIV2 #000c NEQ2 ,option5 ROT JMP? POP2
#06 =color BRK
@option5
#02 IOR2 #0008 DIV2 #000d NEQ2 ,option6 ROT JMP? POP2
#07 =color BRK
@option6
BRK
@end-interface
~color ~brush ~mousex #0004 SUB2 ~mousey #0004 SUB2 ,draw-sprite JSR
@end-touch
~mousex =lastx ~mousey =lasty
BRK
@draw-interface
#05 ,brush_large #0008 #0020 ,draw-sprite JSR
#05 ,brush_small #0008 #0028 ,draw-sprite JSR
#05 ,brush_tiny #0008 #0030 ,draw-sprite JSR
#05 ,brush_large #0008 #0058 ,draw-sprite JSR
#06 ,brush_large #0008 #0060 ,draw-sprite JSR
#07 ,brush_large #0008 #0068 ,draw-sprite JSR
RTS
@draw-sprite
IOW2 ( y byte )
IOW2 ( x byte )
IOW2 ( sprite address )
IOW ( layer-color )
RTS
|0200 @SPRITESHEET
@cursor_icn [ 80c0 e0f0 f8e0 1000 ]
@clear_icn [ 0000 0000 0000 0000 ]
@brush_large [ 387c fefe fe7c 3800 ]
@brush_small [ 0038 7c7c 7c38 0000 ]
@brush_tiny [ 0000 1038 1000 0000 ]
BRK
|d000 @ERROR BRK
|FFFA .RESET .FRAME .ERROR