Browse code
More loop optimisations
Andrew Alderwick authored on 26/08/2021 23:11:33
Showing 1 changed files
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@@ -126,72 +126,72 @@ RTN |
| 126 | 126 |
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| 127 | 127 |
( draw hor line ) |
| 128 | 128 |
#0000 .Screen/x DEO2 .center/y LDZ2 .Screen/y DEO2 |
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- #0000 .Screen/width DEI2 ( from/to ) |
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+ .Screen/width DEI2 #0000 ( to/from ) |
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| 130 | 130 |
&draw-hor |
| 131 | 131 |
( draw ) #01 .Screen/pixel DEO |
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- ( incr ) SWP2 #0002 ADD2 DUP2 .Screen/x DEO2 SWP2 |
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- LTH2k ,&draw-hor JCN |
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+ ( incr ) #0002 ADD2 DUP2 .Screen/x DEO2 |
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+ GTH2k ,&draw-hor JCN |
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| 134 | 134 |
POP2 POP2 |
| 135 | 135 |
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| 136 | 136 |
( draw ver line ) |
| 137 | 137 |
.center/x LDZ2 .Screen/x DEO2 #0000 .Screen/y DEO2 |
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- #0000 .Screen/height DEI2 ( from/to ) |
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+ .Screen/height DEI2 #0000 ( to/from ) |
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| 139 | 139 |
&draw-ver |
| 140 | 140 |
( draw ) #02 .Screen/pixel DEO |
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- ( incr ) SWP2 #0002 ADD2 DUP2 .Screen/y DEO2 SWP2 |
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- LTH2k ,&draw-ver JCN |
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+ ( incr ) #0002 ADD2 DUP2 .Screen/y DEO2 |
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+ GTH2k ,&draw-ver JCN |
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| 143 | 143 |
POP2 POP2 |
| 144 | 144 |
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| 145 | 145 |
( draw blending modes ) |
| 146 | 146 |
;preview_icn .Screen/addr DEO2 |
| 147 | 147 |
#0010 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 149 | 149 |
&draw-pixel1 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR .Screen/pixel DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-pixel1 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP .Screen/pixel DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-pixel1 JCN |
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+ POP2 |
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| 155 | 155 |
#0018 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 157 | 157 |
&draw-pixel2 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR #08 ADD .Screen/pixel DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-pixel2 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP #08 ADD .Screen/pixel DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-pixel2 JCN |
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+ POP2 |
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| 163 | 163 |
#0020 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 165 | 165 |
&draw-icn1 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR #00 ADD .Screen/sprite DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-icn1 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP .Screen/sprite DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-icn1 JCN |
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+ POP2 |
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| 171 | 171 |
#0028 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 173 | 173 |
&draw-icn2 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR #08 ADD .Screen/sprite DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-icn2 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP #08 ADD .Screen/sprite DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-icn2 JCN |
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+ POP2 |
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| 179 | 179 |
#0030 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 181 | 181 |
&draw-chr1 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR #80 ADD .Screen/sprite DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-chr1 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP #80 ADD .Screen/sprite DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-chr1 JCN |
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+ POP2 |
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| 187 | 187 |
#0038 .Screen/y DEO2 |
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- #00 #08 |
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+ #0800 |
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| 189 | 189 |
&draw-chr2 |
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- ( move ) OVR #30 SFT #00 SWP #0010 ADD2 .Screen/x DEO2 |
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- ( draw ) OVR #88 ADD .Screen/sprite DEO |
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- ( incr ) SWP INC SWP |
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- LTHk ,&draw-chr2 JCN |
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- POP POP |
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+ ( move ) #00 OVR #30 SFT #0010 ADD2 .Screen/x DEO2 |
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+ ( draw ) DUP #88 ADD .Screen/sprite DEO |
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+ ( incr ) INC |
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+ GTHk ,&draw-chr2 JCN |
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+ POP2 |
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| 195 | 195 |
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RTN |
| 197 | 197 |
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| ... | ... |
@@ -287,19 +287,19 @@ RTN |
| 287 | 287 |
@fill-rect ( x1* y1* x2* y2* color -- ) |
| 288 | 288 |
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.color STZ |
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- ( x1 x2 y1 y2 ) ROT2 SWP2 |
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+ STH2 ROT2 ROT2 STH2 ( x2 x1 / y2 y1 ) |
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&ver |
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- ( save ) OVR2 .Screen/y DEO2 |
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- STH2 STH2 OVR2 OVR2 |
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+ ( save ) STH2kr .Screen/y DEO2 |
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+ OVR2 OVR2 |
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&hor |
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- ( save ) OVR2 .Screen/x DEO2 |
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+ ( save ) DUP2 .Screen/x DEO2 |
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| 296 | 296 |
( draw ) .color LDZ .Screen/pixel DEO |
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- ( incr ) SWP2 INC2 SWP2 |
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- LTH2k ,&hor JCN |
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- POP2 POP2 STH2r STH2r |
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- ( incr ) SWP2 INC2 SWP2 |
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- LTH2k ,&ver JCN |
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- POP2 POP2 POP2 POP2 |
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+ ( incr ) INC2 |
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+ GTH2k ,&hor JCN |
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+ POP2 POP2 |
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+ ( incr ) INC2r |
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+ GTH2kr STHr ,&ver JCN |
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+ POP2 POP2 POP2r POP2r |
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| 303 | 303 |
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RTN |
| 305 | 305 |
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