---
title: "Oliger Disk Drive I/F Help File (SAFE Version 2.52)"
type: "article"
slug: "oliger-disk-drive-i-f-help-file-safe-version-2-52"
url: "http://localhost/article/oliger-disk-drive-i-f-help-file-safe-version-2-52/"
markdown_url: "http://localhost/article/oliger-disk-drive-i-f-help-file-safe-version-2-52.md"
published_at: "2026-11-09T22:33:11+00:00"
modified_at: "2026-11-09T22:33:11+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "(SAFE Version 2.52) CAT or CAT / lists all files of enabled drive COPY / copies display file via printer port ERASE /\"name\" erases the file in the current drive FOR /n TO m or FOR /m fast integer only FOR-NEXT loop FORMAT /\"name\" formats diskette LET /d=n enables drive n (0-1-2-3) LET /h=n sets…"
post_tag:
  - name: "John Oliger Co."
    slug: "john-oliger-co"
    taxonomy: "post_tag"
    url: "http://localhost/tag/john-oliger-co/"
  - name: "Reference"
    slug: "reference"
    taxonomy: "post_tag"
    url: "http://localhost/tag/reference/"
  - name: "TS 2068"
    slug: "ts2068"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts2068/"
model:
  - name: "Timex/Sinclair 2068"
    slug: "ts-2068"
    taxonomy: "model"
    url: "http://localhost/model/ts-2068/"
publication: "Update Magazine"
publication_r:
  id: 10283
  title: "Update Magazine"
  type: "periodical"
  url: "http://localhost/periodical/update-magazine/"
issues_articles:
  - id: 26513
    title: "Update October 1990"
    type: "issue"
    url: "http://localhost/issue/ts-2068-up-date-october-1990/"
pages: "8"
pubdate: "October 1990"
archive_link: false
volumeissue: "vn"
---

# Oliger Disk Drive I/F Help File (SAFE Version 2.52)

(SAFE Version 2.52)

```
CAT or CAT /             lists all files of enabled drive
COPY /                   copies display file via printer port
ERASE /"name"            erases the file in the current drive
FOR /n TO m or FOR /m    fast integer only FOR-NEXT loop
FORMAT /"name"           formats diskette
LET /d=n                 enables drive n (0-1-2-3)
LET /h=n                 sets the drive head step rate (6)
LET /p=t or o            sets printer for Timex or Oliger (Cent)
LET /s=n                 sets number of sides to 1 or 2 (2)
LET /t=n                 sets number of tracks from 10-250 (40)
LOAD or LOAD /0          loads a short (1.5K) BASIC program (File 0)
LOAD /n                  allows use of SAFE V. 1.0 with V. 2.0
LOAD /"name"             loads BASIC program
LOAD /"name" ABS         loads all 48K of homebank RAM (State)
LOAD /"name" CODE a      loads CODE at address a
LOAD /"name" CODE a,b    loads CODE at address a (b=number of bytes)
LOAD /"name" DATA x()    loads numerical data
LOAD /"name" DATA x$()   loads string data
LOAD /"name" LINE n      loads BASIC program with autostart at line n
LOAD /"name" SCREEN$     loads a SCREEN$
LOAD /"name" VAL         loads all BASIC variables only
MERGE /"name"            merges a program above current program lines
MOVE /                   disk copy command to next drive
MOVE /"name"type         copies program to next logical drive
MOVE /"name" type TO n   copies program from current drive to drive n
NEXT                     command for use with FOR /n TO m loop
RESTORE /"newdiskname"   renames disk in current drive (16 characters)
RESTORE /s               reinitializes SAFE to default settings
RESTORE /"name" TO "y"   renames program "name" to "y"
SAVE /0                  saves a short (1.5K) BASIC program (File 0)
SAVE /"name"             saves BASIC program
SAVE /"name" ABS         saves all 48K of homebank RAM (STATE)
SAVE /"name" CODE a,b    saves CODE at address a (b=number of bytes)
SAVE /"name" DATA x()    saves numerical data
SAVE /"name" DATA x$()   saves string data
SAVE /"name" LINE n      saves BASIC program with autostart at line n
SAVE /"name" SCREEN$     saves a SCREEN$
SAVE /"name" VAL         saves all BASIC variables only
SAVE //"name"type        saves without overwrite warning message
VERIFY /"name"           checks to see if data is stored correctly
```

### NMI (PUSHBUTTON) FUNCTIONS

```
ABS STATE SAVE           NMI then key 1-2-3-4-5-6-7-8-9 or 0
BREAK to BASIC           NMI then key c
CONTINUE after PAUSE     <ENTER>
COPY SCREEN              NMI then key z (COPY)
PAUSE                    NMI
RESET                    key n and NMI button
SCREEN$ SAVE             NMI then key q-w-e-r or t
```

SOURCES – [JOHN OLIGER COMPANY](http://localhost/company/john-oliger-co/) DISK DRIVE INTERFACE USER MANUAL and ADDENDA – [NORTH EAST FLORIDA T/S USERS GROUP](http://localhost/usergroup/northeast-florida-timex-sinclair-users-group/) NEWSLETTER