movable sp for sim65

2019-05-28 15:29:55 -04:00
parent 38d2eb7a0e
commit 2f3cae0d2e
8 changed files with 33 additions and 18 deletions
--- a/libsrc/sim6502/exehdr.s
+++ b/libsrc/sim6502/exehdr.s
@@ -1,11 +1,14 @@
 ;
 ; Oliver Schmidt, 2013-05-16
 ;
-; This module supplies a 1 byte header identifying the simulator type
+; This module supplies a 2 byte header identifying the simulator type,
+; and parameter stack pointer sp.
 ;

        .export         __EXEHDR__ : absolute = 1       ; Linker referenced
+        .importzp       sp

        .segment        "EXEHDR"

        .byte   .defined(__SIM65C02__)
+        .byte   sp