AppleWin supports loading of ACME, and Merlin Symbol Tables. The default filename read into the Main Symbol Table is “APPLE2E.SYM”.
Looking up symbols is now easier. Can't remember an address of a symbol, or can't remember the symbol for an address? The new symbol commands makes it easy:
|
Command |
Effect |
|
SYM |
Display the number of symbols in the Main, User, and Source symbol tables. |
|
SYM #### |
Look-up the Symbol or Address, and display which Symbol Table it is in. |
|
SYMUSER LOAD |
Loads the User Symbol Table. |
|
SYMUSER CLEAR |
Clears the User Symbol Table! |
|
SYMMAIN #### |
Look-up only in the Main symbol table. |
|
SYMUSER #### |
Look-up only in the User symbol table. |
|
SYMSRC #### |
Look-up only in the Source symbol table. |
|
SYM name = #### |
Add (or update) a symbol in the User table with the new Address. |
|
SYM ! name |
Remove a symbol from the User table. |
|
E symbol ## |
Set memory (at the symbol Address) to the 8-Bit (byte) Value. |
|
EB symbol #### |
Alias for E. |
|
E8 symbol #### |
Alias for E. |
|
EW symbol #### |
Set memory (at the symbol Address) to the 16-Bit (word) Value. |
|
E16 symbol #### |
Alias for EW. |
Examples:
|
Input |
Effect |
|
SYM |
Displays number of symbols in the Main, User, and Source tables. |
|
SYMMAIN CLEAR |
Clears the main symbol table!! |
|
SYMMAIN LOAD APPLE2E.SYM |
Reloads the main symbol table. |
|
SYM FA62 |
Look up the Address $FA62 (RESET). |
|
SYM HOME |
Look up the Address $FC58 (HOME). |
|
SYM LIFE = 300 |
Define a new user symbol, called “Life” at Address $0300. |
|
E LIFE 64 |
Set 8-Bit variable (@ $0300)“Life” to 100 (decimal). |
|
EW LIFE 3E8 |
Set 16-Bit variable (@ $0300)“Life” to 1000 (decimal). |