]> git.sur5r.net Git - cc65/blobdiff - libsrc/runtime/decsp6.s
no TGI_ERR_NO_MEM or TGI_ERR_NO_IOCB anymore: replaced by TGI_ERR_NO_RES
[cc65] / libsrc / runtime / decsp6.s
index 964320b40e2937ec519258247d22fe5c3d1ea5b5..31d6ec9dc44df5d0836d04c287e3d52d1487bbfc 100644 (file)
@@ -5,16 +5,23 @@
 ;
 
                .export         decsp6
-       .import         subysp
+               .importzp       sp
 
 .proc  decsp6
 
-       ldy     #6
-       jmp     subysp
+       lda     sp
+       sec
+       sbc     #6
+       sta     sp
+       bcc     @L1
+       rts
+
+@L1:   dec     sp+1
+       rts
 
 .endproc
 
 
 
 
-       
+