commit 664cfd2d39d367fbe5330c6c9d058b950641f5f3
parent 2c2770ea64e428a0f8c1f959e767a5009dffcd72
Author: Léo Villeveygoux <leo.villeveygoux@etu.u-bordeaux.fr>
Date: Sun, 23 Jul 2017 20:08:18 +0200
draw.asm: add visual radius marker in palette mode
Diffstat:
| M | draw.asm | | | 45 | +++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 45 insertions(+), 0 deletions(-)
diff --git a/draw.asm b/draw.asm
@@ -262,7 +262,52 @@ draw_palette:
pop ecx
loop .y_loop
+
+ ; draw a point to show the radius
+
+ mov edx, [coords]
+ push edx
+
+ mov al, byte [selected]
+ push eax
+
+ ; set point coords
+ mov dh, 7
+
+ mov dl, 7
+ sub dl, al
+ sal dl, 5
+ add dl, 8
+
+ mov [coords], edx
+
+ ; set point color
+
+ cmp al, 0
+ jne .no_black
+
+ mov al, 7
+ jmp .store_selected
+
+ .no_black:
+
+ mov al, 0
+
+ .store_selected:
+
+ mov byte [selected], al
+
+ ; draw point
+
+ call draw_point
+
+ pop eax
+ mov byte [selected], al
+
+ pop edx
+ mov [coords], edx
+
ret
swap_palette_buffer:
