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- SUBJECT : IMP overlay list
-
- FROM : Irv Hoff
-
- DATE : 06 June 87
-
-
- IMP is the first (and with the commercial TERM3 the only) modem
- program that takes advantage of the automatic 1k protocol offered by
- KMD and XMODEM. It also uses the automatic stepdown feature of the 2400
- bps modems to adjust the computer speed to match that of the answering
- system. (The US Robotics only steps down from 2400 to 1200, not to 300.
- The Hayes 2400, Racal-Vadic 2400, Paradyne, Prometheus ProModem 2400 and
- others automatically stepdown from 2400 to 1200 to 300. IMP takes full
- advantage of this feature.)
-
- IMP was originally written for exclusive use with the new 2400
- bps modems. It was later expanded to accept 1200 bps modems as well.
- It never was intended for use with 300 baud modems.
-
- At the bottom of this note is a list of the overlays that are
- currently available for the IMP modem program.
-
- There are a number of options which the user may select to cus-
- tomize IMP to suit his needs. As with nearly any program, there may be
- things you "wish you could do". We tried to cover many of those, while
- still keeping the overlays as short and simple as possible for "most of
- the users". An attempt was made to include enough features to allow
- the sophisticated user enough tools to write his own routines if/where
- appropriate, in the overlay.
-
- Read the IMP.CUS file for notes on how to select/use some of the
- features offered in each IMP overlay. (Such as changing the lead-in
- character for the local commands while in the terminal mode to something
- other than ESC, etc.)
-
-
- CURRENT IMP OVERLAYS
- --------------------
-
- I218-4 SB180 MicroMint SB180 (Hitatchi 64180, similar to Z80)
- I2A2-3 Apple //c with various cards
- I2A3-3 Apple /// (6551 with built-in baudrate generator)
- I2AC-2 Actrix computer (Dart at 5.0688 MHz and 8430 CTC timer)
- I2AD-2 Advanced Digital Super Six (Z80 Dart and 8116)
- I2AL-3 Altos Series 8000 and Series 5 (Z80 Dart and 8430 CTC timer)
- I2AM-4 Ampro "Little Board" (Z80 Dart and 8430 CTC timer)
- I2AP-10 Apple //e universal overlay (2651 for CCP and 6551 for SSC)
- I2AV-1 Apple //e PCPI Applicard with VERSAcard (6850 ACIA)
- I2B2-2 Big Board II (Z80 SIO and 8430 CTC timer)
- I2B3-2 Bondwell 2 laptop portable (8251 and 8253 baudrate generator)
- I2BT-4 Beehive Topper (Z80 Dart and 8430 CTC timer)
- I2BW-3 Bondwell 12/14 (Z80 SIO and 8253 baudrate generator
- I2C8-2 Commodore C128 (no serial port, special handling)
- I2CC-5 CCS 2719 and CCS 2830 (Z80 Dart and 8430 CTC timer)
- I2CP-2 CompuPro interfacer 3/4 (2651 w/baudrate generator)
- I2DA-2 Davidge DST3-4/6 (Z80 and 8430 CTC timer)
- I2DG-2 Digital Group with IOP (8251A and 8430 CTC timer)
- I2DM-2 Dynabyte Monarch (Z80 SIO and 8116 baudrate generator)
- I2DP-2 Datapoint 1560 (8251A and 8430 CTC timer)
- I2DV-2 Datavue 3000 (Z80 SIO and 8430 CTC timer)
- I2EA-2 Eagle II and III (Z80 SIO and 8430 CTC timer)
- I2EP-2 Epson QX-10 (Z80 SIO and Intel 8253)
- I2EQ-4 Insight Enterprises EQ-4 (Z80 SIO and 8116 baudrate generator)
- I2FT-2 Facit DTC computers (Z80 SIO and 8430 CTC timer)
- I2H8-5 Heath/Zenith 89 (8250 w/baudrate generator)
- I2HZ-6 Heath/Zenith 100 series (2661B, w/baudrate generator)
- I2KP-2 Kaypro with external modem (Z80 SIO and 8116 baudrate gen.)
- I2LO-2 Lobo MAX-80 (Z80 SIO and 8116 baudrate generator)
- I2MC-2 Molecular Series X (Z80 Dart and 8430 CTC timer)
- I2MD-2 Morrow MD3 (8251 and 8254-2 baudrate generator)
- I2MDA-3 Morrow MD3 (old; new; disk - 8251, etc.)
- I2ME-3 Morrow MD5/MD11 (Z80 SIO)
- I2MM-4 MicroMint SB180 (Hitachi HD64180 - similar to Z80)
- I2MO-2 Morrow MD3 (older units, 8251, no baudrate generator)
- I2MT-2 Memotech SDX-512 (Z80 Dart and 8430 CTC timer)
- I2NA-3 North Star Advantage (8251 and 8253 baudrate generator)
- I2NC-2 NCR Decision Mate 5 (2661C w/baudrate generator)
- I2NE-2 NEC 8801 (8251, no baudrate generator)
- I2NH-3 North Star Horizon, standard, no baudrate generator (8251)
- I2NS-6 North Star Horizon (8251 and HSIO-4 serial board)
- I2OA-2 Otrona Attache (Z80 SIO)
- I2OS-5 Osborne OS-1 computer (6850 ACIA)
- I2OV-3 Osborne Vixen (8251 and 8155 baudrate generator)
- I2OX-2 Osborne Executive (Dart and Intel 8253 baudrate generator)
- I2R2-2 TRS-80 Model II/12 (Z80 SIO and 8430 CTC timer)
- I2R4-2 TRS-80 Model 4 with Montezuma Micro (TR1602 and BR19411)
- I2S2-2 Sanyo 1200/1250 (8251 no baudrate generator)
- I2SB-2 Intertec Super Brain (8251 and BR1941 baudrate generator)
- I2SD-2 SD Systems SBC-200 (8251 no baudrate generator)
- I2SP-2 Coleco Adam with EVE SP-1 interface and ext. modem (2651, gen)
- I2SS-3 CompuPro System Support 1 (2651 w/baudrate generator)
- I2SV-2 SVI-238 (8251 no baudrate generator)
- I2SY-3 Sanyo 1000/1100/1200/1250 (8251 no baudrate generator)
- I2TD-2 TurboDOS 1.4x (?? and 8116 baudrate generator)
- I2TS-2 Timex-Sinclair 2068 (8251 no baudrate generator)
- I2TV-5 TeleVideo 801/802/804 (Z80 SIO and 8430 CTC timer) - [cont'd]
- and TeleVideo 803/TPC-1 (Mostek 3801 and 8430 CTC timer)
- I2US-1 US Robotics S-100 plug in modem (8251 no baudrate generator)
- I2VG-2 Vector Graphics 3 or 4 (8251 and 8253 baudrate generator)
- I2VI-2 Visual 1050 (8251 and 8253 ?? baudrate generator ??)
- I2WM-3 WaveMate Bullet (Z80 Dart and 8430 CTC timer)
- I2XE-2 Xerox 820 (Z80 SIO and 8116 baudrate generator)
- I2ZB-2 Zorba (8251A and 8254-2 baudrate generator)
- ;
- ;
- I2RV-5 (overlay to adapt Racal-Vadic autodial 3451 or 212PA modems)
- (Needed for IMP245, use I2RV-4.ASM for IMP244.)
- I2VB-3 (overlay for 300/1200 modems that only have verbose mode,
- such as the AVATEK. (Needed for IMP245, use I2VB-2.ASM
- for IMP244.)
-
- Others will be added as they are developed. If you have a
- computer not already mentioned, you can perhaps use one of
- the above that matches your I/O (such as Dart, SIO, 8251,
- etc.) by selecting the correct ports, etc. Otherwise you
- can try calling me at the below voice number from 10 am to
- midnight Pacific, and perhaps we can get something for you
- to use (then add it to this list for others).
-
- - Irv Hoff
- Los Altos Hills, CA
- (415) 948-2166
-