projects / pdp8.git / blame
| Commit | Line | Data |
|---|---|---|
| 81e70d48 PH |
1 | / GAME OF LIFE FOR PDP8 |
| 2 | / VT05 DISPLAY OUTPUT DRIVER | |
| 3 | / | |
| 4 | / DISPLAYS A 16X16 BINARY AREA ON THE VT05 SCREEN. | |
| 5 | / | |
| 6 | / FUNCTIONS: | |
| 7 | / | |
| 8 | / DISET - SET POINT, ADDRESS IN AC | |
| 9 | / DICLR - CLEAR POINT, ADDRESS IN AC | |
| 10 | / DIGET - GET POINT, ADDRESS IN AC | |
| 11 | / | |
| 12 | / POINT ADDRESS IS GIVEN AS 0000YYYYXXXX | |
| 13 | ||
| 14 | / BUFFER REQUIREMENTS: ONE BUFFER OF 400(OCT) WORDS IS USED. | |
| 15 | / BUFFER BASE ADDRESS AND FIELD | |
| 16 | BBASE=7000 / DEFAULT: 7200-7577 | |
| 17 | BFIELD=000 / DEFAULT: FIELD 0, SET 010 FOR FIELD 1 ETC. | |
| 18 | ||
| 19 | / SCREEN CONFIGURATION | |
| 20 | LOWROW=10 / FIRST ROW | |
| 21 | LOWCOL=4 / FIRST COLUMN | |
| 22 | HICHAR=130 / AN X | |
| 23 | LOCHAR=56 / A . (DOT) | |
| 24 | ||
| 25 | / VT05 CONTROL CODES | |
| 26 | ||
| 27 | PAGE / START AT NEW PAGE IN CORE | |
| 28 | ||
| 29 | DSET, 0 | |
| 30 | / BUFFER SIZE IS 16X16=256=400(OCT) | |
| 31 | ||
| 32 |