TGI Implementation

git-svn-id: svn://svn.cc65.org/cc65/trunk@1313 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-06-21 13:39:32 +00:00
parent f82ac8a91c
commit 2614d20153
4 changed files with 73 additions and 0 deletions
--- a/libsrc/tgi/tgi_circle.s
+++ b/libsrc/tgi/tgi_circle.s
@@ -0,0 +1,24 @@
+;
+; Ullrich von Bassewitz, 21.06.2002
+;
+; void __fastcall__ tgi_circle (int x, int y, unsigned char radius);
+; /* Draw a circle in the current drawing color */
+
+        .include        "tgi-kernel.inc"
+
+        .import         popax
+        .importzp       ptr1, ptr2, tmp1
+        .export         _tgi_circle
+
+_tgi_circle:
+        sta     tmp1            ; Get the coordinates
+        jsr     popax
+        sta     ptr2
+        stx     ptr2+1
+        jsr     popax
+        sta     ptr1
+        stx     ptr1+1
+
+        jmp     tgi_circle      ; Call the driver
+
+