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  • Mike_Z's Avatar
    March 24th, 2017, 12:50 PM
    Mike_Z replied to a thread The Sol Prototype Project in S-100
    Here's another try at the picture. You can see that mine is a SOL20 and it is BLue. Mike
    20 replies | 1031 view(s)
  • Mike_Z's Avatar
    March 24th, 2017, 07:07 AM
    Mike_Z replied to a thread The Sol Prototype Project in S-100
    Here's a picture of my SOL Terminal. I know it's not the same as the cassette model, but the keyboard looks similar. At least it is five keys deep...
    20 replies | 1031 view(s)
  • Mike_Z's Avatar
    March 21st, 2017, 01:07 PM
    Mike_Z replied to a thread Data Error CPM 2.2 in CP/M and MP/M
    Well..... after a few hours of horsing around adding and changing code. I believe what I had first thought about the TYPE is incorrect. I now think...
    6 replies | 259 view(s)
  • Mike_Z's Avatar
    March 20th, 2017, 08:09 AM
    Mike_Z replied to a thread Data Error CPM 2.2 in CP/M and MP/M
    Well, that's odd. What was unusual about this was that during assembly, the assembly stopped and the machine ran wild. Requiring me to reset and...
    6 replies | 259 view(s)
  • Mike_Z's Avatar
    March 20th, 2017, 06:14 AM
    Mike_Z replied to a thread Data Error CPM 2.2 in CP/M and MP/M
    Here's another lesson learned. LABEL: LXI D,TYPE ;FCB File Type I was using this as part of a FCB that I was making. Apparently ASM...
    6 replies | 259 view(s)
  • Mike_Z's Avatar
    March 17th, 2017, 05:53 AM
    It's definitely slower than my ASR33. I may have made it that way some what. Most of the problem is in waiting for the mechanical equipment to move...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 16th, 2017, 02:51 PM
    Well, after horsing around with the mecanical tab stops and some of the computer timing, this ASCII to Friden code convertion works pretty good. At...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 15th, 2017, 03:38 PM
    Today, I finished writing and debugging some code that will open an ASCII text file and send it to the Friden for printing. I had to make a few...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 15th, 2017, 12:43 PM
    Mike_Z replied to a thread Data Error CPM 2.2 in CP/M and MP/M
    Although I've been using the 8080 assembly code since the beginning, I have only recently got CPM 2.2 to go. About 2-3 years ago, I pulled out my old...
    6 replies | 259 view(s)
  • Mike_Z's Avatar
    March 14th, 2017, 02:13 PM
    I have been working on a look up table to convert ASCII characters to Friden characters. Today I came across an odd thing. My look up table is a...
    6 replies | 259 view(s)
  • Mike_Z's Avatar
    March 11th, 2017, 10:30 AM
    Well.. at long last, I got the Friden Flexowriter to take ASCII characters from my CPM 2.2 machine. The Friden expects a Friden character applied to...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 9th, 2017, 06:46 AM
    Mike_Z replied to a thread Punch in CP/M and MP/M
    OK, more reading. CPM has four logical devices, CON:, RDR:, PUN: and LST:, and 12 physical devices. But only the logical devices are defined in the...
    5 replies | 231 view(s)
  • Mike_Z's Avatar
    March 8th, 2017, 04:03 PM
    Mike_Z replied to a thread Punch in CP/M and MP/M
    Would this look like, PIP PUN:=A:TEST.TXT? Mike
    5 replies | 231 view(s)
  • Mike_Z's Avatar
    March 8th, 2017, 04:00 PM
    Mike_Z replied to a thread Punch in CP/M and MP/M
    Even though I've been using CPM for a year or so, I'm still kinda green at this. I've used PIP to move files from drive to drive, but it sounds like...
    5 replies | 231 view(s)
  • Mike_Z's Avatar
    March 8th, 2017, 03:46 PM
    Mike_Z started a thread Punch in CP/M and MP/M
    I've been working on a Friden Flexowriter, an interface for it and a conversion routine to convert ASCII to Flexowriter. I want to connect the...
    5 replies | 231 view(s)
  • Mike_Z's Avatar
    March 8th, 2017, 11:50 AM
    Well... over the weekend I carefully opened up the translator coil that I had pulled a lead out of and I have successfully replaced the wire and...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 6th, 2017, 06:13 AM
    While I was installing the snubber diodes I suffered a setback. Apparently I must have pulled a little too hard on one of the translator coil wires...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 5th, 2017, 06:56 AM
    I'm still waiting for some parts to make an interface. I had thought that I should use some snubber diodes across the translator relay coils to...
    13 replies | 974 view(s)
  • Mike_Z's Avatar
    March 3rd, 2017, 10:08 AM
    Mike_Z replied to a thread True/false in CP/M and MP/M
    There is another interesting item I didn't know that the assembly constants were 16 bits. Also I always thought that zero should be false. It is...
    13 replies | 363 view(s)
  • Mike_Z's Avatar
    March 3rd, 2017, 08:34 AM
    Mike_Z replied to a thread True/false in CP/M and MP/M
    I also tried this, but it did not work. It reported a Value error. LXI H,SHIFT MVI M,FALSE Mike
    13 replies | 363 view(s)
  • Mike_Z's Avatar
    March 3rd, 2017, 08:28 AM
    Mike_Z replied to a thread True/false in CP/M and MP/M
    You know, maybe I read that or heard it, but didn't understand the concept until now. The fact that the EQU only defines the constant during...
    13 replies | 363 view(s)
  • Mike_Z's Avatar
    March 3rd, 2017, 07:44 AM
    Mike_Z replied to a thread True/false in CP/M and MP/M
    I also tried this; IF SHIFT NOT TRUE SHIFT: EQU FALSE ENDIF This didn't work either. Mike
    13 replies | 363 view(s)
  • Mike_Z's Avatar
    March 3rd, 2017, 07:22 AM
    Mike_Z started a thread True/false in CP/M and MP/M
    I want to make a variable either TRUE or FALSE and to be able to change that variable during the program. I started out with; TRUE: EQU 0FFH...
    13 replies | 363 view(s)
  • Mike_Z's Avatar
    February 28th, 2017, 07:39 AM
    Well... I found that if the reader contacts are paralleled and then a 100 mSec pulse is applied, the character will be typed on the Friden. The 50...
    13 replies | 974 view(s)
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About Mike_Z

Basic Information

About Mike_Z
Biography:
Retired Old Steam Power Plant Engineer
Location:
Near Milwaukee Wisconsin
Interests:
Old stuff, computers, cars, furniture, houses
Occupation:
Retired

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