Home | Exhibit | Wanted | Articles | Advertising | +Links |
This document lists the known operation codes for Wang 400-Series
programmable calculators. This includes the Wang Model 450, 452, 462, and
487.
Operation Code | Function |
0000 | [0] |
0001 | [1] |
0002 | [2] |
0003 | [3] |
0004 | [4] |
0005 | [5] |
0006 | [6] |
0007 | [7] |
0008 | [8] |
0009 | [9] |
0010 | [.] |
0011 | [SET EXP] |
0012 | [CHANGE SIGN] |
0013 | Unknown |
0014 | [CLEAR REGS] |
0015 | [CLEAR DISPLAY] |
Operation Code | Function |
0100 - 0113 | Total of Memory Register 00-13 |
0114 | RIGHT [TOTAL] |
0115 | LEFT [TOTAL] |
0200 - 0213 | Add Display to Memory Register 00-13 |
0214 | RIGHT [+] |
0215 | LEFT [+] |
0300 - 0313 | Subtract Display from Memory Register 00-13 |
0314 | RIGHT [-] |
0315 | LEFT [-] |
0400 - 0413 | Multiply number in Display by Memory Register 00-13 |
0414 | RIGHT [×=] |
0415 | LEFT [×=] |
0500 - 0513 | Divide Memory Register 00-13 by number in Display |
0514 | RIGHT [÷=] |
0515 | LEFT [÷=] |
0600 - 0613 | Store number in Display into Memory Register 00-13 |
0614 | RIGHT [STORE] |
0615 | LEFT [STORE] |
0700 - 0713 | Recall content of Memory Register 00-13 to Display |
0714 | RIGHT [RECALL] |
0715 | LEFT [RECALL] |
Operation Code | Function |
0800 | Search for MARK in Program |
0801 | Recall |
0802 | Unknown |
0803 | Go |
0804 | Skip if Display = 0 |
0805 | Skip if Display Positive |
0806 | Unknown |
0807 | Unknown |
0808 | Unknown |
0809 | Unknown |
0810 | Unknown |
0811 | Unknown |
0812 | Unknown |
0813 | Unknown |
0814 | Unknown |
0815 | 1/x |
Operation Code | Function |
0900 | MARK |
0901 | Store |
0902 | Alpha |
0903 | Stop |
0904 | Jump if Display Non-Zero |
0905 | Jump if Error Condition |
0906 | Unknown |
0907 | Unknown |
0908 | Unknown |
0909 | Unknown |
0910 | Unknown |
0911 | Unknown |
0912 | Unknown |
0913 | Unknown |
0914 | End |
0915 | Return |
Operation Code | Function | 10XX | f(XX) (Function Currently Unknown) |
11XX | F(XX) (Function Currently Unknown) |
12XX | Execute Function selected by BLACK section on function key label |
13XX | Execute Function selected by WHITE section on function key label |
14XX | Exchange content of display and Memory Register XX |
Operation Code | Function |
1500 | Unknown |
1501 | Unknown |
1502 | Unknown |
1503 | Unknown |
1504 | Unknown |
1505 | Unknown |
1506 | Unknown |
1507 | Unknown |
1508 | Unknown |
1509 | Unknown |
1510 | Unknown |
1511 | Unknown |
1512 | Unknown |
1513 | Unknown |
1514 | Unknown |
1515 | No Operation |