Timeline for Why was the 1540 a computer in its own right?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
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| Jun 17 at 16:48 | comment | added | supercat | There are three approaches one could take when interfacing a drive to e.g. a PET or VIC-20: (1) Use a controller chip, and the design will be relatively insensitive to the host system; (2) Have the host CPU perform precisely timed I/O directy, in a way very sensitive to the host system, or (3) Have some other CPU perform precisely timed I/O directly, in a manner agnostic to whatever device is connected to it. Having a $600 which is expected to be compatible with future computers was more palatable than a $500 device that wouldn't be expected likewise. | |
| Jun 15 at 3:39 | comment | added | paxdiablo | But wouldn't a CPU also need ROM/RAM/etc? Or does the controller also need extra things? | |
| Jun 14 at 9:16 | history | edited | Wheelmagister | CC BY-SA 4.0 |
added 54 characters in body
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| Jun 14 at 9:00 | history | answered | Wheelmagister | CC BY-SA 4.0 |