90 lines
1.8 KiB
Plaintext
90 lines
1.8 KiB
Plaintext
( draw routines )
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:dev/r fff8 ( std read port )
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:dev/w fff9 ( std write port )
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;x_ 2 ;y_ 2 ;x 2 ;y 2 ;w 2 ;h 2 ;color 1
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|0100 @RESET
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( set dev/write to screen )
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,01 ,dev/w STR
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,01 ,color STR
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( fill rect x y w h )
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,0020 ,0020 ,0060 ,0040 ,fillrect JSR
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,02 ,color STR
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( fill rect x y w h )
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,0030 ,0030 ,0040 ,0060 ,fillrect JSR
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,03 ,color STR
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( fill rect x y w h )
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,0040 ,0040 ,0060 ,0040 ,fillrect JSR
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,01 ,color STR
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( fill rect x y w h )
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,00a0 ,0010 ,0020 ,0020 ,fillrect JSR
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,02 ,color STR
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( fill rect x y w h )
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,00b0 ,0040 ,0020 ,0020 ,linerect JSR
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,03 ,color STR
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( fill rect x y w h )
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,0058 ,0028 ,0050 ,0050 ,linerect JSR
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,01 ,color STR
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( fill rect x y w h )
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,0028 ,0038 ,0050 ,0030 ,linerect JSR
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,redraw JSR
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BRK
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@fillrect
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,h STR^ ,w STR^ ,y STR^ ,x STR^
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,x LDR^ ,x_ STR^ ,y LDR^ ,y_ STR^
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@fillrectrow
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,x LDR^ ,x_ STR^
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@fillrectcol
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( draw ) ,x_ LDR^ ,y_ LDR^ ,putpixel JSR
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,x_ LDR^ ,0001 ADD^ ,x_ STR^
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,x_ LDR^ ,w LDR^ ,x LDR^ ADD^ LTH^ ,fillrectcol ROT JMP? POP^
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,y_ LDR^ ,0001 ADD^ ,y_ STR^
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,y_ LDR^ ,h LDR^ ,y LDR^ ADD^ LTH^ ,fillrectrow ROT JMP? POP^
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RTS
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@linerect
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,h STR^ ,w STR^ ,y STR^ ,x STR^
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,x LDR^ ,x_ STR^ ,y LDR^ ,y_ STR^
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@linerectcol
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( draw ) ,x LDR^ ,y_ LDR^ ,putpixel JSR
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( draw ) ,x LDR^ ,w LDR^ ADD^ ,y_ LDR^ ,putpixel JSR
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,y_ LDR^ ,0001 ADD^ ,y_ STR^
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,y_ LDR^ ,h LDR^ ,y LDR^ ADD^ LTH^ ,linerectcol ROT JMP? POP^
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@linerectrow
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( draw ) ,x_ LDR^ ,y LDR^ ,putpixel JSR
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( draw ) ,x_ LDR^ ,y LDR^ ,h LDR^ ADD^ ,putpixel JSR
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,x_ LDR^ ,0001 ADD^ ,x_ STR^
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,x_ LDR^ ,w LDR^ ,x LDR^ ADD^ ,0001 ADD^ LTH^ ,linerectrow ROT JMP? POP^
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RTS
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@redraw
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,0000 IOW^
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,0000 IOW^
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,00 IOW
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,01 IOW
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RTS
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@putpixel
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IOW^ ( y short )
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IOW^ ( x short )
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,color LDR IOW ( color byte )
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,00 IOW ( redraw byte )
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RTS
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|c000 @FRAME BRK
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|d000 @ERROR BRK
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|FFFA .RESET .FRAME .ERROR
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