TGI Implementation

git-svn-id: svn://svn.cc65.org/cc65/trunk@1314 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-06-21 14:16:32 +00:00
parent 2614d20153
commit 7fc24b058a
8 changed files with 103 additions and 5 deletions
--- a/libsrc/tgi/tgi_getpixel.s
+++ b/libsrc/tgi/tgi_getpixel.s
@@ -0,0 +1,24 @@
+;
+; Ullrich von Bassewitz, 21.06.2002
+;
+; unsigned char __fastcall__ tgi_getpixel (int x, int y);
+; /* Get the color value of a pixel */
+
+
+        .include        "tgi-kernel.inc"
+
+        .import         popax
+        .importzp       ptr1, ptr2
+        .export         _tgi_getpixel
+
+_tgi_getpixel:
+        sta     ptr2            ; Get the coordinates
+        stx     ptr2+1
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
+
+        jmp     tgi_getpixel    ; Call the driver
+
+
+