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  1. wperko

    Building a Clone MITS 8800

    Hi, After you fit your backplane into position, then you can look to see where you can mount the Mean-Wells standing up so the screwdriver adjustments are facing up to make it easy to adjust as you change or add boards. I would suggest to the left side of the cabinet a couple of mm from the...
  2. wperko

    Cromemco dazzler replica project

    Hi, The DAZZLER is super easy to program with DZMBASIC created by Bob Ammerman ... I don't have any assembly language skills to even get started there, but with DZMBASIC I've written over 36 programs for the DAZZLER already. This is the DZMBASIC disk ...
  3. wperko

    Cromemco dazzler replica project

    Hi, Once you have a good setup at JLCPCB for the boards, maybe you can make the order "public" so other people can know they're getting everything correct? https://oshwlab.com/ ... Just an idea to make it easier for others. .
  4. wperko

    Cromemco dazzler replica project

    Hi, It's well documented the DAZZLER is the first for the S-100 hobby computers: https://en.wikipedia.org/wiki/Cromemco_Dazzler .
  5. wperko

    Cromemco dazzler replica project

    Hi, Yes, very neat display ... good to see a complete system setup ... terminal, computer, FDDs ... I'd be more afraid of an S-100 board walking away than somebody sticking their fingers into a live power supply. Nice big photos ... Great! Even I can see what's what except I can't read...
  6. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Okay, got another step towards subroutines for the "Zombie Escape" game ... a sort of Etch-A-Sketch using keyboard inputs: 0 REM BLINK6.BAS.txt 10 REM Initialize DAZZLER and Clear the Screen 20 GOSUB 9000 : REM Clear the screen 30 X = 128...
  7. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Did a demo video of EXPLOSNS.BAS This DAZZLER program is a little different ... 0 REM EXPLOSNS.BAS.txt 100 ' Initialize the DAZZLER 110 DZOP "I" 120 ' Explosion parameters 130 NUMDOTS = 200 ' Total number of dots in the explosion 140 MAXRADIUS = 50 ' Maximum explosion radius (half...
  8. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Improved demo programs for the DAZZLER! .
  9. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Here's a program listing for another type of screensaver: 0 REM Random DOTs on a Line LINES0.BAS.txt 10 REM Random Dots with Shifting Rows in DZMBASIC 20 RANDOMIZE : REM Initialize random number generator 30 GOSUB 1000 : REM Clear the screen 40 GOSUB 3000 90 GOTO 10 99 GOSUB 9000 1000...
  10. wperko

    Cromemco JS-1 Joystick Replica

    Hi, One of the subjects in the ZOOM meeting DAZZLER discussions was about "Screen Savers" ... So I wrote one ... I may have to improve on it a little more tomorrow: .
  11. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Okay, I have successfully taught ChatGPT how to write DZMBASIC programs ... this last bunch all came from slight modifications of the first ChatGPT OCTAGONS.BAS ... From that program I made a few slight changes for HEXADECIMAL, PENTAGON and SQUARES programs ... Now other people need to...
  12. wperko

    Cromemco JS-1 Joystick Replica

    Hi, I'm not going for speed on sketching the circles and here's a problem to solve ... IF doing the same thing for Triangles, how would you split that into one quarter and mirror? Placing each dot is part of the art around this type of program. This program does the four mirrors ... .
  13. wperko

    Cromemco JS-1 Joystick Replica

    Hi, That's if I'm plotting dots from a list, but this is the result of a couple of math equations ... they calculate each dot placement to sketch on the display. A quick tiny fun little DZMBASIC program. This is fun ... and now I need to learn more screen control ... The program...
  14. wperko

    Cromemco JS-1 Joystick Replica

    Hi, Okay, now I got a good start for creating some new fun DAZZLER programs! Just a bunch of circles, but now you can see them! .
  15. wperko

    Cromemco JS-1 Joystick Replica

    Hi, This is fun … I just need to figure out the best and fastest way to blank the screen into one solid color starting with black. In the video you can see my first program creating some crappy circles on the screen, the 2nd program was the first attempt at blanking out the screen with...
  16. wperko

    Cromemco dazzler replica project

    Hi, My Altair 8800c is: TDL ZPU Z80 CPU board, 88-2SIOJP board, FDC+ board and DAZZLER II board ... I have 64K RAM, CP/M 2.2b ... Ran the program on my DAZZLER II board ... D0>SNAKE DAZZLER SNAKE by nullvalue JOYSTICK OR KEYBOARD CONTROL? [J,K] I typed a "K" a few times, but the program...
  17. wperko

    Cromemco dazzler replica project

    Hi, I looked at the README.MD, but I don't see any keyboard controls for people that do not have a joystick. .
  18. wperko

    TI-99/4a Items Wanted

    Hi, I have a bunch of TI-99/4A stuff ready to move $100 + shipping:
  19. wperko

    Southwest Apple II Plus w/four cards : $500

    Hi, I need the space in my tiny apartment ... I'm willing to sell everything for $300 + Shipping ... $450 including shipping within the continental USA ... For outside the USA ... it's possible, but shipping might be another $200 or more. .
  20. wperko

    Looking for Sample 8080 Assembly or Machine language listings for simple programs ...

    Hi, Okay, my brain is having trouble putting all the pieces together to learn when they're in a larger program ... I'm thinking what I need is a hand full of tiny assembly routines to play with and see if I can learn this. Just the tiniest program to load a character from a keyboard input...
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