C1P Disk Images
| OS 65D | Description |
| C1-OS65D.65d | OS65D V3.0 for C1P 5.25" floppy |
| C1P-OS65D_3.1.65D | OS65D V3.1 for C1P 5.25" floppy |
| C1P-OS65D_3.3_Tutorial1.65D | OS65D V3.3 for C1P 5.25" floppy Tutorial disk 1 OS-65D Tutorial disk one September 16, 1981 1> Space war 2> Hangman 3> Biorhythm 4> Torpedo 5> Breakout 6> Loan Interest |
| C1P-OS65D_3.3_Tutorial2.65D | OS65D V3.3 for C1P 5.25" floppy Tutorial disk 2 |
| C1P-OS65D_3.3_Tutorial3.65D | OS65D V3.3 for C1P 5.25" floppy Tutorial disk 3 |
| C1P-OS65D_3.3_Tutorial4.65D | OS65D V3.3 for C1P 5.25" floppy Tutorial disk 4 |
| C1P-OS65D_3.3_Tutorial5.65D | OS65D V3.3 for C1P 5.25" floppy Tutorial disk 5 OS-65D Version 3.3 BASIC Executive 1 > Directory 2 > Create a new file 3 > Change a file name 4 > Delete file from diskette 5 > Create blank data diskette 6 > Create data diskette with files 7 > Create buffer space for data files 8 > Single or dual disk drive copier 9 > Enter OS-65D system |
| C1P-OS65D3.3+Overlay.65D | C1P-OS65D3.3 + Overlay |
| C1P-VIDSwap.65D | C1P-VIDSwap.65D Patches OS for 64x16 video & back |
| Misc | Description |
| C1P-PICO_DOS.65D | Pico DOS for C1P 5.25" floppy |
| C1-ep38a.65D *courtesy bxdanny |
Enhanced Pico-Dos v1.38 for C1P 5.25" floppy See Enhanced Pico-Dos changes |
| Forth | Description |
| C1P-S-Forth.65D | S-Forth for C1P 5.25" floppy |
| C1P-Z-Forth.65D | Z-Forth for C1P 5.25" floppy |
| C1P-FIG-Forth.65D | Fig-Forth for C1P 5.25" floppy |
| C1P-FIG-Forth+Utils.65D | Fig-Forth + utilities for C1P 5.25" floppy |
C4P Disk Images
| OS 65D | Description |
| OS65Dv32-C4&C1.65d | OS65D V3.2 for C4P/ boots on C1P 5.25" floppy |
| C4P-DOS3-2.65D *Fixed 12/5/2023 |
OS65D V3.2 for C4P 5.25" floppy BASIC EXECUTIVE FOR OS-65D V3.2 (NMHz) APRIL 21, 1980 RELEASE FUNCTIONS AVAILABLE: COLORS - TEST PATTERN TO ADJUST COLOR MONITORS CHANGE - ALTER WORKSPACE LIMITS DIR - PRINT DIRECTORY UNLOCK - UNLOCK SYSTEM FROM END USER MODIFICATIONS FUNCTION? _ |
| C4P-OS65D_3.3_Tutorial1.65d | OS65D V3.3 Tutorial Disk 1 for C4P 5.25" floppy OS-65D Tutorial disk one September 16, 1981 1> Space War 2> Hangman 3> Biorhythm 4> Torpedo 5> Breakout 6> Loan Interest Calculation 7> Life |
| C4P-OS65D_3.3_Tutorial2.65d | OS65D V3.3 Tutorial Disk 2 for C4P 5.25" floppy |
| C4P-OS65D_3.3_Tutorial3.65d | OS65D V3.3 Tutorial Disk 3 for C4P 5.25" floppy |
| C4P-OS65D_3.3_Tutorial4.65d | OS65D V3.3 Tutorial Disk 4 for C4P 5.25" floppy |
| C4P-OS65D_3.3_Tutorial5.65d | OS65D V3.3 Tutorial Disk 5 for C4P 5.25" floppy OS-65D Tutorial disk five September 16, 1981 1 > Directory 2 > Create a new file 3 > Change a file name 4 > Delete file from diskette 5 > Create blank data diskette 6 > Create data diskette with files 7 > Create buffer space for data files 8 > Single or dual disk drive copier 9 > Enter OS-65D system |
| DOS/65 | Description |
| Dos65-48K-C4P.zip *Updated 9/2/2022 |
Richard A. Leary's CP/M-like operating system for 48K OSI 5.25" floppy Contains 10 disk images and PDF information files *corrected disk4 & disk1 sector header error Thanks to original poster! See additional files at DOS65 Github archive |
| Others | Description |
| C4P-PLOTBASIC.65D |  Plot BASIC has commands to use OSI character graphics to display drawings and animations |
| C4P-FIGFORTH.IMG | Fig-Forth V1.0 for C4P 5.25" floppy
OSI Forth 1.0 Copyright (c) 1980 Technical Products & PROGRAMMA Stand Alone OSI C2/4 FigForth 24K nMHz (c) 1981 M Butts * 408 ForthTools Box 12054 Seattle WA 98102 |
| U.C.S.D. Pascal ( Updated: 2020-08-14) | Description |
| UCSDPAS1.65d UCSDWORK.65d Work Disk Copy |
1980 p-Systems Pascal System IIs disk 1 - requires 48K RAM System
contains: SYSTEM.PASCAL 40 5-May-80 SYSTEM.MISCINFO 1 19-Dec-80 SYSTEM.INTERP 20 14-May-80 SYSTEM.BIOS 7 19-Dec-80 SYSTEM.SWAPDISK 4 10-May-80 SYSTEM.FILER 28 22-Jul-79 SYSTEM.EDITOR 45 22-May-79 |
| UCSDPAS2.65d | Pascal System disk 2
contains: SYSTEM.COMPILER 68 12-May-80 SYSTEM.SYNTAX 14 21-Nov-79 SYSTEM.ASSMBLER 49 10-May-80 6500.OPCODES 2 25-Apr-80 ASM.ERRORS 7 25-Apr-80 6502.INFO.TEXT 4 31-Aug-79 |
| UCSDPAS3.65d | Pascal System disk 3
contains: SYSTEM.LINKER 22 2-Jun-80 SYSTEM.LIBRARY 19 27-Nov-79 FORTRAN.CODE 89 16-Jun-80 |
| UCSDUTL1.65d | Pascal util disk 1 contains: REC.DOCUM.TEXT 6 3-Jul-79 RECOVER.G.CODE 8 9-Jun-79 SAMPLEGOTO.TEXT 4 17-Nov-78 YALOE.CODE 14 4-Mar-79 LIBMAP.CODE 7 28-Feb-79 MARKDUPDIR.CODE 4 19-Jul-79 COPYDUPDIR.CODE 3 19-Jul-79 LIBRARY.CODE 7 12-May-80 SCREENTEST.CODE 19 20-Sep-79 BINDER.CODE 6 2-May-80 DISASM.II.CODE 41 3-Apr-79 OPCODES.II.0 5 3-Apr-79 SC.GEN.CODE 16 8-May-79 |
| UCSDUTL2.65d | Pascal util disk 2
contains: PATCH.DOC.TEXT 24 10-May-80 PATCH.CODE 34 4-Apr-79 FLIPCODE.CODE 8 24-Jan-80 OPFILE 1 24-Jan-80 FLIPDIR.CODE 3 22-Feb-80 RELOC.CODE 7 18-Mar-80 SQUISH.CODE 8 18-Mar-80 BIOS.CODE 8 16-May-80 INTCON.CODE 4 16-May-80 EXTCON.CODE 3 17-May-80 EMPTYUSR.CO@E 2 2-May-80 AMPTYREM.CODE 3 5-May-80 EMPTYPRN.ODE 3 5-May-80 PARALLEL.CODE 3 10-May-80 SERIAL.CODE 3 10-May-80 |
| UCSDUTL3.65d | Pascal util disk 3
contains: II.SYSTEM 33 27-Apr-80 SETUP.CODE 24 13-Nov-79 STARTUP.CODE 3 5-May-80 BIOSUTIL.CODE 7 17-May-80 DISKUTIL.CODE 16 10-May-80 RTUNIT.CODE 29 16-Jun-80 RELOC.DOC.TEXT 12 10-May-80 FLIP.DOC.TEXT 16 10-May-80 |