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(screen.pixel) Added pixel testing program by @aw

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neauoire 2023-11-10 14:47:51 -08:00
parent f9de13652c
commit 228a951f22
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projects/examples/devices/screen.pixel.tal Normal file
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( Screen.pixel: test rom for screen pixel drawing )
|00 @System &vector $2 &wst $1 &rst $1 &pad $4 &r $2 &g $2 &b $2 &debug $1 &halt $1
|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1
|0000
@center &x $2 &y $2
|0100
@on-reset ( -> )
( | theme )
#f07f .System/r DEO2
#f0d6 .System/g DEO2
#f0b2 .System/b DEO2
( | resize )
#00c8 DUP2 .Screen/width DEO2
.Screen/height DEO2
( | find screen center )
.Screen/width DEI2 #01 SFT2 .center/x STZ2
.Screen/height DEI2 #01 SFT2 .center/y STZ2
( | draw )
<draw-bg-fill>
<draw-bg-corners>
<draw-fg-corners>
<draw-pixels>
BRK
@<draw-bg-fill> ( -- )
.center/x LDZ2 .Screen/x DEO2
.center/x LDZ2 .Screen/y DEO2
( | 4-way backgrounds )
#0400
&l ( -- )
DUP DUP #40 SFT #80 ADD ORA .Screen/pixel DEO
INC GTHk ?&l
POP2 JMP2r
@<draw-bg-corners> ( -- )
.center/x LDZ2 #01 SFT2 .Screen/x DEO2
.center/y LDZ2 #01 SFT2 .Screen/y DEO2
#b0 .Screen/pixel DEO
.center/x LDZ2 #01 SFT2 #0003 MUL2 .Screen/x DEO2
.center/y LDZ2 #01 SFT2 .Screen/y DEO2
#a1 .Screen/pixel DEO
.center/x LDZ2 #01 SFT2 #0003 MUL2 .Screen/x DEO2
.center/y LDZ2 #01 SFT2 #0003 MUL2 .Screen/y DEO2
#83 .Screen/pixel DEO
.center/x LDZ2 #01 SFT2 .Screen/x DEO2
.center/y LDZ2 #01 SFT2 #0003 MUL2 .Screen/y DEO2
#92 .Screen/pixel DEO
JMP2r
@<draw-fg-corners> ( -- )
.center/x LDZ2 #02 SFT2 .Screen/x DEO2
.center/y LDZ2 #02 SFT2 .Screen/y DEO2
#f1 .Screen/pixel DEO
.center/x LDZ2 #02 SFT2 #0007 MUL2 .Screen/x DEO2
.center/y LDZ2 #02 SFT2 .Screen/y DEO2
#e3 .Screen/pixel DEO
( clear ) #e0 .Screen/pixel DEO
.center/x LDZ2 #02 SFT2 #0007 MUL2 .Screen/x DEO2
.center/y LDZ2 #02 SFT2 #0007 MUL2 .Screen/y DEO2
#c2 .Screen/pixel DEO
.center/x LDZ2 #02 SFT2 .Screen/x DEO2
.center/y LDZ2 #02 SFT2 #0007 MUL2 .Screen/y DEO2
#d0 .Screen/pixel DEO
JMP2r
@<draw-pixels> ( -- )
( | bottom-left, background )
.center/x LDZ2 #0010 SUB2 .Screen/x DEO2
.center/y LDZ2 .Screen/y DEO2
( auto-x ) #01 .Screen/auto DEO
#00
&bl ( -- )
#00 OVR EQU OVR #0f AND ORA ?{
.center/x LDZ2 #0010 SUB2 .Screen/x DEO2
.Screen/y DEI2k INC2 ROT DEO2 }
DUP #04 SFT OVR #0f AND LTH INC .Screen/pixel DEO
INC DUP ?&bl
POP
( | bottom-right, foreground )
.center/x LDZ2 .Screen/x DEO2
.center/y LDZ2 #0010 SUB2 .Screen/y DEO2
( auto-y ) #02 .Screen/auto DEO
#00
&br ( -- )
#00 OVR EQU OVR #0f AND ORA ?{
.center/y LDZ2 #0010 SUB2 .Screen/y DEO2
.Screen/x DEI2k INC2 ROT DEO2 }
DUP #04 SFT OVR #0f AND GTH INC #40 ORA .Screen/pixel DEO
INC DUP ?&br
POP JMP2r