This program is essentially for machine code programmers and creates an additional 13 Basic commands to the BBC's already extensive system.

BREAK sets up a breakpoint in a machine code program.

BREAK? prints the current breakpoint address.

CHECK calculates a checksum between two given addresses.

DIS disassembles code between two addresses into 6502 mnemonics.

FIND finds all locations, between given addresses, of a number of text string.

HEX prints a Hex dump between given addresses.

MOVE moves code; useful for altering code for DISC/TAPE systems or data blocks.

MEM stores bytes; similar to ? ! and % operators

RELOC similar to move, except code addresses are altered to allow it to run at the new address.

SHUT turns off the toolkit

STEP steps through a m/c program displaying information

TOOL displays toolkit commands

XEQT runs a m/c program

The program occupies memory from &7100 to &7C00. An accompanying booklet explains how to use this clearly and simply.

R.E.