&00 (0) OS Version

OSByte call Action Available on:
(dec) (hex) BBC Master Electron
0 00 Get OS version x x x

Entry parameters

X 0 execute BRK with message of OS version, <>0 RTS with OS version in X

On exit:

A Preserved
X OS version
C Undefined

This OSBYTE call returns the OS type in X or as a message via BRK if X=0 on entry.

Returned values

X OS version
0 OS 1.00 or Electron OS 1.00
1 OS 1.20 or American OS