** These tools are 4kB or smaller cartridges.
** Instructions for these tools are welcome.

Basic-v4.prg
  Commodore BASIC 4 for the VIC-20.  Extends the normal BASIC with disk
  handling commands and a very primitive machine language monitor
  (invoked with the MONITOR command).

Buti Toolkit.prg
  A 4kB BASIC utility cartridge.  Commands: APPEND, AUTO, DELETE, DUMP,
  EDIT, FIND, HELP, KILL, OFF, RENUMBER, REPEAT, STEP, TRACE, UNNEW, VIC.

Cassette Turbo.prg
  A tape speeder.  Commands: HELP, AUTO, TRACE, RENUMBER, DELETE, FIND,
  DUMP, CMERGE, CLOAD, CVERIFY, CSAVE, RESET and KILL.

Combasic.prg
  Combasic  1982 by S. Klandt.  A 4kB language expansion.  SYS45056
  to start.  Keywords: SUB, PUT, HEX, COPY, DEZ, SET, CURS, CLINE,
  REST, INIT, INSTR, LIM, LINE, SRT, OFF, PRT, STAY, SIM, MOVE, SEI,
  CLI, USER, WR, NOSTP, GTSTR, EXEC, SAV, FLINE, AINST, STACK, ERR,
  IRQCL, HELP, MEM, :, LOD.

HesMon-orig.prg
HesMon.prg
  A machine language monitor by HES.

Hires Toolkit.prg
  Another 4kB BASIC expansion.  SYS45056 to start.  Keywords: AU$,
  DEH, DUMP, FIND, HELP, OFF, RENUMBER, TRACE, DRAW, LINE, PUT, FILL,
  SET, RESET, INVERT, POT, CLEAR, TEXT, GRAPHICS, CIRCLE.

Monitor-sys24576.prg
  Machine language monitor, SYS 24576 to start.  No instructions either,
  but has the usual monitor commands.

Programmer's Aid-sys28681.prg
  A utility cartridge for BASIC programmers.  Defines some BASIC commands
  on the function keys.  AUTO, RENUMBER and other goodies.  The cartridge
  does not work if it is copied to RAM and the BASIC interpreter is using
  the $7000-$7FFF area.

Screenmaster.prg
  Another basic extension.

Super Expander.prg
  Vic 20 Super Expander (without the extra 3 kB RAM, of course).  A BASIC
  extension with graphics and sound commands.  May need the 3kB expansion
  to run.  Supports also 8kB or more expansion memory.  Autostart, starting
  address $A000.  Only 4 kilobytes.

VicTool.prg
  A 2kB BASIC utility cartridge.  SYS45056 to start.  Keywords:
  AU$, AUTO, DE?, DUMP, FIND, HELP, OFF, RENUMBER, TRACE.

Vicmon-2-6000.prg
  Vicmon, a machine language monitor.  SYS24576 to start.  A slightly
  different version.
Vicmon-2-b000.prg
  Vicmon, a machine language monitor.  SYS45056 to start.  A quite
  different version.
Vicmon-2000.prg
  Vicmon, a machine language monitor.  SYS8192 to start.
Vicmon-6000.prg
  Vicmon, a machine language monitor.  SYS24576 to start.
Vicmon-b000.prg
  Vicmon, a machine language monitor.  SYS45056 to start.  Can be used
  simultaneously with the Super Expander ROM.

Victerm 40.prg
  A prototype of a terminal program cartridge for the VIC-20.
  The cartridge label and the EPROM window sticker call it the
  "latest Victerm 40".  The copyright message in the code says 1982.

