This system software program demonstrates set of instructions for SIC/XE to clear a 20-byte string to all blanks using immediate addressing and register-to-register addressing mode.
Line Number | Code | Description |
---|---|---|
1 | LDT #20 | |
2 | LDX #0 | |
3 | LOOP LDCH #0 | |
4 | STCH STR1,X | |
5 | TIXR T | |
6 | JLT LOOP | |
7 | STR1 RESW 20 |