Made the Commodore version of exec() work in programs that are so big that they load into all of BASIC RAM.

The function won't cause an "out of memory" error.
2015-09-28 11:27:39 -04:00
parent 067956b808
commit 6217f8fa3a
6 changed files with 63 additions and 27 deletions
--- a/libsrc/cbm/execvars.s
+++ b/libsrc/cbm/execvars.s
@@ -20,9 +20,15 @@
        .include        "vic20.inc"
 .endif

-        .export         _txtptr:zp, _basbuf, _basbuf_len:zp
+; exec() is written in C.
+; Provide the spellings that the C compiler wants to use.

-_txtptr         :=      TXTPTR
+.ifdef  VARTAB
+.exportzp _vartab       :=      VARTAB
+.exportzp _memsize      :=      MEMSIZE
+.endif

-_basbuf         :=      BASIC_BUF
-_basbuf_len     =       BASIC_BUF_LEN
+.exportzp _txtptr       :=      TXTPTR
+
+.export   _basbuf       :=      BASIC_BUF
+.exportzp _basbuf_len   =       BASIC_BUF_LEN