diff options
author | 2020-07-12 23:04:13 +0300 | |
---|---|---|
committer | 2020-07-12 23:04:13 +0300 | |
commit | 0324e1d4c00e24c85195c0855a10c22512c37422 (patch) | |
tree | b7751c518b26cbe0671bb1939a50e3c014a80996 | |
parent | 97042aa7f9aae005636553e8629ec0d33892b910 (diff) |
(nw)
-rw-r--r-- | src/devices/bus/spectrum/logitek.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/devices/bus/spectrum/logitek.cpp b/src/devices/bus/spectrum/logitek.cpp index 2549e112649..d6b68f80e20 100644 --- a/src/devices/bus/spectrum/logitek.cpp +++ b/src/devices/bus/spectrum/logitek.cpp @@ -5,18 +5,18 @@ Proceed 1 - Commodore IEC Bus and printer interface (c) 1984 Logitek (Germany) - Allows to connect and use Commodore 1541 disk drive. - Components: Z8420 PIO, 8K ROM, 256x4 PROM, NMI button. + Allows to connect and use Commodore 1541 disk drive. + Components: Z8420 PIO, 8K ROM, 256x4 PROM, NMI button. - Photos and manual https://k1.spdns.de/Vintage/Sinclair/82/Peripherals/Disc%20Interfaces/Logitek%20Proceed%201%20C64%20Disc%20Interface/ + Photos and manual https://k1.spdns.de/Vintage/Sinclair/82/Peripherals/Disc%20Interfaces/Logitek%20Proceed%201%20C64%20Disc%20Interface/ - Notes / TODOs: - - floppy drive access doesn't works with "Device timeout" error message. - cause is not known, possible due to not correct IEC hookup or some Z80PIO emulation bugs. + Notes / TODOs: + - floppy drive access doesn't works with "Device timeout" error message. + cause is not known, possible due to not correct IEC hookup or some Z80PIO emulation bugs. - - ROM paging performed by undumped PROM, current logic might be incorrect or innacurate. - wiring: A0-A5 - Z80 A8-A13, A6 - PIO PB7, A7 - nc, /CE1 - A14, /CE2 - A15, - Q1 - ROM A11, Q2 - ROM A10, Q3 - ROM /CE, Q4 - /ROMCS + - ROM paging performed by undumped PROM, current logic might be incorrect or innacurate. + wiring: A0-A5 - Z80 A8-A13, A6 - PIO PB7, A7 - nc, /CE1 - A14, /CE2 - A15, + Q1 - ROM A11, Q2 - ROM A10, Q3 - ROM /CE, Q4 - /ROMCS *********************************************************************/ |