Jeff_Birt (@Jeff-Birt)
  • Stars
    star
    128
  • Global Rank 173,460 (Top 6 %)
  • Followers 45
  • Registered over 7 years ago
  • Most used languages
    Assembly
    26.9 %
    C++
    15.4 %
    C#
    11.5 %
    Stata
    7.7 %
    Python
    7.7 %
    G-code
    7.7 %
    Propeller Spin
    3.8 %
    Visual Basic
    3.8 %
    HTML
    3.8 %
    nesC
    3.8 %
    JavaScript
    3.8 %
    C
    3.8 %
  • Location 🇺🇸 United States
  • Country Total Rank 33,983
  • Country Ranking
    Stata
    24
    nesC
    27
    Propeller Spin
    27
    G-code
    33
    Assembly
    414
    Visual Basic
    575
    C++
    6,950
    C#
    7,093

Top repositories

1

Backpack

Documentation, firmware, SD card files for Mini TPDD 'Backpack' drive.
Stata
35
star
2

MOS8701_HB

G-code
11
star
3

COREi64_Dual_Diag_Cart_Case

3D printable case for the COREi64 Dual Diag Cart
10
star
4

Arduino_DRAM_Tester

Use an Arduino to test retro DRAM chips
C++
8
star
5

C64_C128_Amiga_Mitsumi_Key_Tester

A fixture for testing the resistance of Mitsumi key plungers on C64/C128/Amiga computers
8
star
6

C64_Diagnostics

Disgnostic programs collection for C64
7
star
7

TRS-80_M100_SRAM_Tester

Uses a Arduino Mega to test TRS-80 M100 SRAM Modules
C++
6
star
8

Amiga_Diagnostics

Collection of diagnostic programs for the Amiga
Assembly
6
star
9

TASM_vsCode_Extension

VS Code Extension for the Telemark Assembler
HTML
5
star
10

RCA1802_Tester

Using an Aruino Mega to test RCA/Harris/Intersil 1802 processors
C++
5
star
11

lh5801_Emu

Sharp lh5801 Microprocessor Emulator
C#
5
star
12

TRS-80-M100-M102-Test-Harness

Test harness for TRS-80 Model 100, designed by *** from M100 mailing list
Assembly
3
star
13

TIL311_Tester

Quick adn easy way to test TIL311 HEX LED displays with an Arduino
C
3
star
14

PCM_Cruncher

Used to convert an 8bit signed PCM file to a packed 4bit PCM for C64 Digis
C#
3
star
15

C2N_Adapter

Adapt a Commodore C2N Datasette to other vintage platforms
nesC
3
star
16

tandyAssembly2021_Slides

My slide set from "Vintage Computer Repair 101" presentation at Tandy Assembly 2021.
3
star
17

C64SVideo

My Mk3 iteration of a C64/C128 SVideo cable.
2
star
18

C64_POT_Test_Code

2
star
19

lh5801_vsCode_Extension

Visual Studio Code Extension for Sharp lh5801 microprocessor
2
star
20

lh5801_Dis

lh5801 Disassembler
C#
2
star
21

Arduino_MEGA_Tester

An Arduino MEGA based vintage IC tester
C++
2
star
22

C64_DIGI

Sample Digi player and 8-bit to packed 4-bit cruncher
Assembly
2
star
23

C64_Master_Directory

Creates a master directory from DirMaster CSV of C64 image files
Python
2
star
24

PacBas

A PacMan or maze like game in C64 basic
Visual Basic
1
star
25

Digi_Player

C64 program to play 4bit digital samples that are optionally RLE compressed
Assembly
1
star
26

tandyAssembly2022_Slides-

1
star
27

M100_Screen_Test

Screen test, load, save program for TRS-80 Model 100
Stata
1
star
28

PC-1500_ROM_Modules

ROM modules for Sharp PC-1500 which have been dumped
JavaScript
1
star
29

Casio_PICRAM

Using a PIC microcontroller to emulate Casio 4bit RAM chips
Assembly
1
star
30

QuickStart_Brd._TouchBtns

Propeller 1 QuickStart Board Touch Button in Tachyon Forth
Propeller Spin
1
star
31

CNC-64

CNC controller program for Commodore 64
Assembly
1
star
32

Casio_VX-4_RAM_Upgrade

Internal and external RAM upgrades for Casio VX-4 and similar models. RP-33 clone.
G-code
1
star
33

PocketBanner

Banner printing on Casio FX-820P (data compression in BASIC)
1
star
34

Sharp_CE-158

ROM disassembly of Sharp CE-158 serial interface for PC-1500 Pocket Computer
Assembly
1
star
35

C1541_Data_Collection

Python code for collecting temperature data from C= 1541 disk drive.
Python
1
star