#define EX_XOR 42
#define EX_AND 43
#define EX_ISROM 44
-#define EX_STACKHEIGHT 45
+#define EX_TOPELTSIZE 45
#define EX_FALLTHROUGH 46
#define ms_gto 11 /* Dangerous procedure, uses nonlocal goto */
#define ms_stb 12 /* symbol table entry (for debugger) */
#define ms_std 13 /* symbol table entry (for debugger) referring to dot */
-#define ms_sth 14 /* Height of the stack at a certain label */
+#define ms_tes 14 /* Size of the top element at a certain label */
/*
* for details about ms_reg, see em_reg.h