65 lines
1.2 KiB
Plaintext
65 lines
1.2 KiB
Plaintext
( controller )
|
|
|
|
:dev/r fff8 ( const read port )
|
|
:dev/w fff9 ( const write port )
|
|
|
|
&Point2d { x 2 y 2 }
|
|
|
|
;pos Point2d
|
|
;sprite 2
|
|
|
|
|0100 @RESET
|
|
|
|
#03 =dev/r ( set dev/read to controller )
|
|
#02 =dev/w ( set dev/write to sprite )
|
|
#0080 =pos.x #0040 =pos.y ( origin )
|
|
|
|
#12 ,up_icn ~pos.x ~pos.y ,draw-sprite JSR
|
|
|
|
BRK
|
|
|
|
|c000 @FRAME
|
|
|
|
#03 =dev/r ( set dev/read to controller )
|
|
|
|
,default_icn =sprite
|
|
|
|
#00 IOR #10 NEQ ,next1 ROT JMP? POP2
|
|
,up_icn =sprite
|
|
~pos.y #0001 SUB2 =pos.y
|
|
@next1
|
|
#00 IOR #20 NEQ ,next2 ROT JMP? POP2
|
|
,down_icn =sprite
|
|
~pos.y #0001 ADD2 =pos.y
|
|
@next2
|
|
#00 IOR #40 NEQ ,next3 ROT JMP? POP2
|
|
,left_icn =sprite
|
|
~pos.x #0001 SUB2 =pos.x
|
|
@next3
|
|
#00 IOR #80 NEQ ,end ROT JMP? POP2
|
|
,right_icn =sprite
|
|
~pos.x #0001 ADD2 =pos.x
|
|
@end
|
|
( redraw )
|
|
#13 ~sprite ~pos.x ~pos.y ,draw-sprite JSR
|
|
|
|
BRK
|
|
|
|
@default_icn [ 3c7e ffdb ffe7 7e3c ]
|
|
@up_icn [ 2466 e7db ffff 7e3c ]
|
|
@down_icn [ 3c7e ffff dbe7 6624 ]
|
|
@left_icn [ 3c7e ef1f 1fef 7e3c ]
|
|
@right_icn [ 3c7e f7f8 f8f7 7e3c ]
|
|
|
|
@draw-sprite
|
|
IOW2 ( y byte )
|
|
IOW2 ( x byte )
|
|
IOW2 ( sprite address )
|
|
IOW ( layer-color )
|
|
RTS
|
|
|
|
|d000 @ERROR BRK
|
|
|
|
|FFF0 [ 02ac 05bb 0b53 ] ( palette )
|
|
|FFFA .RESET .FRAME .ERROR
|