uxn

commit 26bc456a1bb3760259174f828d00f3a2ad649a16
parent 867883409ec08b8517d62d37fae806ba3dea6782
Author: Devine Lu Linvega <aliceffekt@gmail.com>
Date:   Sun, 23 Jul 2023 19:32:41 -0700

(screen.c) Blending 00 only clears in accordance to sprite at addr

Diffstat:
M
projects/software/piano.tal
 | 
2
+-
M
src/devices/screen.c
 | 
2
+-

2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/projects/software/piano.tal b/projects/software/piano.tal
@@ -307,10 +307,10 @@ JMP2r
 @update-cursor ( color addr* -- )
 
 	[ LIT2 00 -Screen/auto ] DEO
+	.Screen/addr DEO2
 	#40 draw-cursor
 	.Mouse/x DEI2 ,draw-cursor/x STR2
 	.Mouse/y DEI2 ,draw-cursor/y STR2
-	.Screen/addr DEO2
 
 @draw-cursor ( color -- )
 
diff --git a/src/devices/screen.c b/src/devices/screen.c
@@ -49,7 +49,7 @@ screen_fill(Uint8 *layer, int x1, int y1, int x2, int y2, int color)
 static void
 screen_blit(Uint8 *layer, Uint8 *ram, Uint16 addr, int x1, int y1, int color, int flipx, int flipy, int twobpp)
 {
-	int v, h, width = uxn_screen.width, height = uxn_screen.height, opaque = (color % 5) || !color;
+	int v, h, width = uxn_screen.width, height = uxn_screen.height, opaque = (color % 5);
 	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);