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121 lines
2.9 KiB
121 lines
2.9 KiB
( dev/mouse ) |
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%RTN { JMP2r } |
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%ABS2 { DUP2 #0f SFT2 EQU #05 JCN #0000 SWP2 SUB2 } |
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%LTS2 { #8000 ADD2 SWP2 #8000 ADD2 GTH2 } |
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%GTS2 { #8000 ADD2 SWP2 #8000 ADD2 LTH2 } |
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%2** { #10 SFT2 } |
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( devices ) |
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|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ] |
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|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ] |
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|90 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &wheel $1 ] |
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|0000 |
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@color $1 |
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@line [ &x0 $2 &y0 $2 &x $2 &y $2 &sx $2 &sy $2 &dx $2 &dy $2 &e1 $2 &e2 $2 ] |
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@pointer [ &x $2 &y $2 &lastx $2 &lasty $2 &state $1 ] |
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( program ) |
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|0100 ( -> ) |
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( theme ) |
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#f030 .System/r DEO2 |
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#f04f .System/g DEO2 |
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#f050 .System/b DEO2 |
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( vectors ) |
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;on-mouse .Mouse/vector DEO2 |
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BRK |
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@on-mouse ( -> ) |
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;draw-cursor JSR2 |
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( on down ) |
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.Mouse/state DEI #00 NEQ .pointer/state LDZ #00 EQU #0101 EQU2 ,on-mouse-down JCN |
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( on drag ) |
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.Mouse/state DEI ,on-mouse-drag JCN |
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.Mouse/state DEI .pointer/state STZ |
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BRK |
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@on-mouse-down ( -> ) |
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( record start position ) |
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.Mouse/x DEI2 DUP2 .pointer/x STZ2 .pointer/lastx STZ2 |
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.Mouse/y DEI2 DUP2 .pointer/y STZ2 .pointer/lasty STZ2 |
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.Mouse/state DEI .pointer/state STZ |
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BRK |
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@on-mouse-drag ( -> ) |
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( draw line ) |
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.pointer/lastx LDZ2 |
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.pointer/lasty LDZ2 |
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.pointer/x LDZ2 |
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.pointer/y LDZ2 |
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#01 [ .Mouse/state DEI #10 EQU DUP ADD ADD ] |
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;draw-line JSR2 |
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( record last position ) |
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.Mouse/x DEI2 .pointer/lastx STZ2 |
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.Mouse/y DEI2 .pointer/lasty STZ2 |
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.Mouse/state DEI .pointer/state STZ |
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BRK |
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@draw-cursor ( -- ) |
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;pointer_icn .Screen/addr DEO2 |
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( clear last cursor ) |
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.pointer/x LDZ2 .Screen/x DEO2 |
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.pointer/y LDZ2 .Screen/y DEO2 |
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#40 .Screen/sprite DEO |
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( record pointer positions ) |
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.Mouse/x DEI2 .pointer/x STZ2 |
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.Mouse/y DEI2 .pointer/y STZ2 |
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( draw new cursor ) |
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.pointer/x LDZ2 .Screen/x DEO2 |
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.pointer/y LDZ2 .Screen/y DEO2 |
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#43 .Mouse/state DEI #00 NEQ DUP ADD SUB .Screen/sprite DEO |
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RTN |
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@draw-line ( x1 y1 x2 y2 color -- ) |
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( load ) .color STZ .line/y0 STZ2 .line/x0 STZ2 .line/y STZ2 .line/x STZ2 |
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.line/x0 LDZ2 .line/x LDZ2 SUB2 ABS2 .line/dx STZ2 |
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.line/y0 LDZ2 .line/y LDZ2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy STZ2 |
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#ffff #00 .line/x LDZ2 .line/x0 LDZ2 LTS2 2** ADD2 .line/sx STZ2 |
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#ffff #00 .line/y LDZ2 .line/y0 LDZ2 LTS2 2** ADD2 .line/sy STZ2 |
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.line/dx LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2 |
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&loop |
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.line/x LDZ2 .Screen/x DEO2 |
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.line/y LDZ2 .Screen/y DEO2 |
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.color LDZ .Screen/pixel DEO |
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[ .line/x LDZ2 .line/x0 LDZ2 EQU2 ] |
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[ .line/y LDZ2 .line/y0 LDZ2 EQU2 ] #0101 EQU2 ,&end JCN |
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.line/e1 LDZ2 2** .line/e2 STZ2 |
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.line/e2 LDZ2 .line/dy LDZ2 LTS2 ,&skipy JCN |
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.line/e1 LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2 |
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.line/x LDZ2 .line/sx LDZ2 ADD2 .line/x STZ2 |
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&skipy |
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.line/e2 LDZ2 .line/dx LDZ2 GTS2 ,&skipx JCN |
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.line/e1 LDZ2 .line/dx LDZ2 ADD2 .line/e1 STZ2 |
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.line/y LDZ2 .line/sy LDZ2 ADD2 .line/y STZ2 |
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&skipx |
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;&loop JMP2 |
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&end |
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RTN |
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@pointer_icn [ 80c0 e0f0 f8e0 1000 ]
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