MODE SWITCHING CHART FROM T| OFF C128 C128 C64 CP/M CP/M O| 40 COL(1) 80 COL(2) (3) 40 COL(4) 80 COL(5) -+------------+-----------+-----------+-----------+-----------+-----------+ 1|1.Check that| |1.Press |1.Check |1.Check |1.Check | | {40/80} | | {esc} | that | that | that | | key is UP.| | key; | {40/80} | {40/80} | {40/80} | |2.Turn | | release. | key is | key is | key is | | computer | |2.Press X | UP. | UP. | UP. | | ON. | | key. |2.Turn |2.Remove |2.Remove | | | OR | computer | CP/M | CP/M | | | |1.Check | OFF, then| system | system | | | | that | ON. | disk, if | disk, if | | | | {40/80} | | neces- | neces- | | | | key is | | sary. | sary. | | | | UP. | |3.Turn |3.Turn | | | |2.Press | | computer | computer | | | | {reset} | | OFF, then| OFF, then| | | | button. | | ON. | ON. | -+------------+-----------+-----------+-----------+-----------+-----------+ 2|1.Press |1.Press | |1.Press |1.Press |1.Check | | {40/80} | {esc} | | {40/80} | {40/80} | that | | key DOWN. | key; | | key DOWN.| key DOWN.| {40/80} | |2.Turn | release. | |2.Turn |2.Remove | key is | | computer |2.Press X | | computer | CP/M | DOWN. | | ON. | key. | | OFF, then| system |2.Remove | | | OR | | ON. | disk from| CP/M | | |1.Press | | | drive, if| system | | | {40/80} | | | neces- | disk from| | | key DOWN.| | | sary. | drive, if| | |2.Press | | |3.Turn | neces- | | | {reset} | | | computer | sary. | | | button. | | | OFF, then|3.Turn | | | | | | ON. | computer | | | | | | | OFF, then| | | | | | | ON. | -+------------+-----------+-----------+-----------+-----------+-----------+ 3|1.Hold {C=} |1.Type |1.Type | |1.Turn |1.Turn | | key DOWN. | GO 64; | GO 64; | | computer | computer | |2.Turn | press | press | | OFF. | OFF. | | computer | {return}.| {return}.| |2.Check |2.Check | | ON. |2.The |2.The | | that | that | | OR | computer | computer | | {40/80} | {40/80} | |1.Insert C64| responds:| responds:| | key is | key is | | cartridge.| ARE YOU | ARE YOU | | UP. | UP. | |2.Turn | SURE? | SURE? | |3.Hold DOWN|3.Hold DOWN| | computer | Type Y; | Type Y; | | {C=} key | {C=} key | | ON. | press | press | | while | while | | | {return}.| {return}.| | turning | turning | | | | | | computer | computer | | | | | | ON. | ON. | | | | | | OR | OR | | | | | |1.Turn |1.Turn | | | | | | computer | computer | | | | | | OFF. | OFF. | | | | | |2.Insert |2.Insert | | | | | | C64 car- | C64 car- | | | | | | tridge. | tridge. | | | | | |3.Turn |3.Turn | | | | | | power ON.| power ON.| -+------------+-----------+-----------+-----------+-----------+-----------+ 4|1.Turn disk |1.Turn disk|1.Turn disk|1.Check | |1.Insert | | drive ON. | drive ON.| drive ON.| that | | CP/M | |2.Insert |2.Insert |2.Insert | {40/80} | | utilities| | CP/M sys- | CP/M sys-| CP/M sys-| key is | | disk in | | tem disk | tem disk | tem disk | UP. | | drive. | | in disk | in disk | in disk |2.Turn disk| |2.At screen| | drive. | drive. | drive. | drive ON.| | prompt, | |3.Check that|3.Check |3.Check |3.Insert | | A> type: | | {40/80} | that | that | CP/M | | DEVICE | | key is UP.| {40/80} | {40/80} | system | | CONOUT | |4.Turn | key is | key is | disk in | | = 40COL. | | computer | UP. | UP. | drive. | |3.Press | | ON. |4.Type: |4.Type: |4.Turn | | {return}.| | | BOOT. | BOOT. | computer | | | | |5.Press |5.Press | OFF, then| | | | | {return}.| {return} | ON. | | | -+------------+-----------+-----------+-----------+-----------+-----------+ 5|1.Turn disk |1.Turn disk|1.Turn disk|1.Press |1.Insert | | | drive ON. | drive ON.| drive ON.| {40/80} | CP/M | | |2.Insert |2.Insert |2.Insert | key DOWN.| utilities| | | CP/M sys- | CP/M sys-| CP/M sys-|2.Turn disk| disk in | | | tem disk | tem disk | tem disk | drive ON.| drive. | | | in disk | in disk | in disk |3.Insert |2.At screen| | | drive. | drive. | drive. | CP/M | prompt | | |3.Press |3.Press |3.Check | system | A> type: | | | {40/80} | {40/80} | that | disk in | DEVICE | | | key DOWN. | key DOWN.| {40/80} | drive. | CONOUT | | |4.Turn |4.Type: | key is |4.Turn | = 80COL. | | | computer | computer | DOWN. | computer |3.Press | | | ON. | BOOT. |4.Type: | OFF, then| {return}.| | | |5.Press | BOOT. | ON. | | | | | {return}.|5.Press | | | | | | | {return}.| | | | -+------------+-----------+-----------+-----------+-----------+-----------+ NOTE: If you are using a Commodore 1902 dual monitor, remember to move the video switch on the monitor from COMPOSITE or SEPARATED to RGBI when switching from 40-column to 80-column display; reverse this step when switching from 80 to 40 columns. Also, when switching between modes remove any cartridges from the expansion port and any disks from the disk drive.