uxn

Varvara Ordinator, written in ANSI C(SDL2)
git clone https://git.eamoncaddigan.net/uxn.git
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commit 25cc4a1329f185d8ccdb2af491c167be818155f2
parent c7203de2ea873d180d1b046304a818a53a87429b
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date:   Fri, 14 Apr 2023 19:51:05 -0700

(screen.tal) Improved screen testing rom

Diffstat:
Mprojects/examples/demos/amiga.tal | 1+
Mprojects/examples/devices/screen.tal | 101+++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------
Msrc/devices/screen.c | 2--
3 files changed, 72 insertions(+), 32 deletions(-)

diff --git a/projects/examples/demos/amiga.tal b/projects/examples/demos/amiga.tal @@ -137,6 +137,7 @@ JMP2r POP2 INC GTHk ?&horver POP2 + ( ver lines ) [ LIT2 02 -Screen/auto ] DEO ;ver-icn .Screen/addr DEO2 diff --git a/projects/examples/devices/screen.tal b/projects/examples/devices/screen.tal @@ -3,13 +3,14 @@ |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 +|90 @Mouse &vector $2 &x $2 &y $2 &state $1 &chord $1 |0000 @center &x $2 &y $2 |0100 ( -> ) - + ( vector ) ;on-frame .Screen/vector DEO2 ( theme ) @@ -24,10 +25,10 @@ .Screen/width DEI2 #01 SFT2 .center/x STZ2 .Screen/height DEI2 #01 SFT2 .center/y STZ2 ( draw ) - ;draw-size JSR2 - ;draw-sprites JSR2 - ;draw-1bpp JSR2 - ;draw-2bpp JSR2 + draw-size + draw-sprites + draw-1bpp + draw-2bpp BRK @@ -36,11 +37,24 @@ BRK @on-frame ( -> ) + ( scroll background ) + [ LIT2 &f $2 ] INC2k ,&f STR2 + #01 SFT2 + #001f AND2 + #0040 SUB2 + DUP2 .Screen/x DEO2 + .Screen/y DEO2 + ;patt-icn draw-fill + .center/x LDZ2 #0070 SUB2 .Screen/x DEO2 .center/y LDZ2 #0048 SUB2 .Screen/y DEO2 - ;anim-chr #00 [ LIT &f $1 ] INCk ,&f STR - #02 SFT #07 AND #40 SFT ADD2 .Screen/addr DEO2 - #81 .Screen/sprite DEO + ;anim-chr ,&f LDR2 #00ff AND2 #02 SFT #07 AND #40 SFT ADD2 .Screen/addr DEO2 + #8f .Screen/sprite DEO + + draw-size + draw-sprites + draw-1bpp + draw-2bpp BRK @@ -48,19 +62,19 @@ BRK @|drawing ) @draw-sprites ( -- ) - + ( horizontal ) .center/x LDZ2 #0060 SUB2 .Screen/x DEO2 .center/y LDZ2 #0048 SUB2 .Screen/y DEO2 ;font-icn .Screen/addr DEO2 #f6 .Screen/auto DEO - #01 .Screen/sprite DEO + #05 .Screen/sprite DEO ( vertical ) .center/x LDZ2 #0070 SUB2 .Screen/x DEO2 .center/y LDZ2 #0038 SUB2 .Screen/y DEO2 ;font-icn .Screen/addr DEO2 #f5 .Screen/auto DEO - #01 .Screen/sprite DEO + #05 .Screen/sprite DEO ( table ) #00 .Screen/auto DEO ;preview-chr .Screen/addr DEO2 @@ -71,9 +85,9 @@ BRK ( move ) #00 OVR #f0 AND #01 SFT .center/y LDZ2 #0038 SUB2 ADD2 .Screen/y DEO2 ( draw ) DUP .Screen/sprite DEO - INC DUP ,&loop JCN + INC DUP ?&loop POP - + JMP2r @draw-1bpp ( -- ) @@ -85,10 +99,10 @@ JMP2r .center/y LDZ2 #0038 SUB2 ADD2 STH2 ( x ) #00 OVR #03 AND #40 SFT2 #0040 ADD2 .center/x LDZ2 #0010 SUB2 ADD2 - STH2r STHr #00 ,draw-circle JSR - INC GTHk ,&loop JCN + STH2r STHr #00 draw-circle + INC GTHk ?&loop POP2 - + JMP2r @draw-2bpp ( -- ) @@ -100,14 +114,14 @@ JMP2r .center/y LDZ2 #0008 ADD2 ADD2 STH2 ( x ) #00 OVR #03 AND #40 SFT2 #0040 ADD2 .center/x LDZ2 #0010 SUB2 ADD2 - STH2r STHr #80 ,draw-circle JSR - INC GTHk ,&loop JCN + STH2r STHr #80 draw-circle + INC GTHk ?&loop POP2 - + JMP2r @draw-circle ( x* y* color depth -- ) - + ADD STH ;preview-chr .Screen/addr DEO2 .Screen/y DEO2 @@ -123,12 +137,33 @@ JMP2r JMP2r +@draw-fill ( patt* color -- ) + + .Screen/addr DEO2 + [ LIT2 01 -Screen/auto ] DEO + .Screen/x DEI2 ,&anchor STR2 + .Screen/width DEI2 #03 SFT2 NIP #08 ADD ,&x STR + .Screen/height DEI2 #03 SFT2 NIP #08 ADD #00 + &h + DUP #02 SFT STH + [ LIT &x $1 ] #00 + &w + DUP #02 SFT STHkr ADD #01 AND .Screen/sprite DEO + INC GTHk ?&w + .Screen/y DEI2k #0008 ADD2 ROT DEO2 + [ LIT2 &anchor $2 ] .Screen/x DEO2 + POP2 POPr + INC GTHk ?&h + POP2 + +JMP2r + @draw-size ( -- ) #01 .Screen/auto DEO .center/x LDZ2 #0030 ADD2 .Screen/x DEO2 .center/y LDZ2 #0048 SUB2 .Screen/y DEO2 - .Screen/width DEI2 ;draw-dec JSR2 + .Screen/width DEI2 draw-dec ;x-icn .Screen/addr DEO2 #01 .Screen/sprite DEO .Screen/height DEI2 @@ -136,13 +171,13 @@ JMP2r @draw-dec ( short* -- ) #00 ,&z STR - #2710 ,&parse JSR - #03e8 ,&parse JSR - #0064 ,&parse JSR - #000a ,&parse JSR + #2710 draw-dec/parse + #03e8 draw-dec/parse + #0064 draw-dec/parse + #000a draw-dec/parse NIP &emit - DUP [ LIT &z $1 ] EQU ,&skip JCN + DUP [ LIT &z $1 ] EQU ?&skip #ff ,&z STR #00 OVR #30 SFT ;font-icn ADD2 .Screen/addr DEO2 #01 .Screen/sprite DEO &skip @@ -154,6 +189,8 @@ JMP2r ( @|assets ) +@patt-icn [ + aa55 aa55 aa55 aa55 ] @x-icn [ 0000 0018 1800 0000 ] @preview-chr [ @@ -168,9 +205,13 @@ JMP2r 007c 8280 8080 827c 00fc 8282 8282 82fc 007c 8280 f080 827c 007c 8280 f080 8080 [ @anim-chr [ - 0000 0018 1800 0000 c381 0000 0000 81c3 0000 183c 3c18 0000 0000 0000 0000 0000 - 0018 3c7e 7e3c 1800 0000 0000 0000 0000 3c7e ffe7 e7ff 7e3c 0000 0018 1800 0000 - ffff e7c3 c3e7 ffff 0000 183c 3c18 0000 ffe7 c381 81c3 e7ff 0018 3c7e 7e3c 1800 - c381 0000 0000 81c3 3c7e ffe7 e7ff 7e3c 0000 0000 0000 0000 ffff e7c3 c3e7 ffff + 0000 0018 1800 0000 c381 0000 0000 81c3 + 0000 183c 3c18 0000 0000 0000 0000 0000 + 0018 3c7e 7e3c 1800 0000 0000 0000 0000 + 3c7e ffe7 e7ff 7e3c 0000 0018 1800 0000 + ffff e7c3 c3e7 ffff 0000 183c 3c18 0000 + ffe7 c381 81c3 e7ff 0018 3c7e 7e3c 1800 + c381 0000 0000 81c3 3c7e ffe7 e7ff 7e3c + 0000 0000 0000 0000 ffff e7c3 c3e7 ffff 0000 0000 0000 0000 ffe7 c381 81c3 e7ff ] diff --git a/src/devices/screen.c b/src/devices/screen.c @@ -37,8 +37,6 @@ static void screen_blit(UxnScreen *s, Uint8 *pixels, Uint16 x1, Uint16 y1, Uint8 *ram, Uint16 addr, Uint8 color, Uint8 flipx, Uint8 flipy, Uint8 twobpp) { int v, h, width = s->width, height = s->height, opaque = (color % 5) || !color; - if(!color) - return screen_fill(s, pixels, x1, y1, x1 + 8, y1 + 8, 0); for(v = 0; v < 8; v++) { Uint16 c = ram[(addr + v) & 0xffff] | (twobpp ? (ram[(addr + v + 8) & 0xffff] << 8) : 0); Uint16 y = y1 + (flipy ? 7 - v : v);