Commodore RF512C - Hapter; USER COMMANDS Introduction; Common User Commands

C HAPTE R 4
USER COMMANDS
27
Introduction
Other t han tne high level command , the internal DO S provides
some us
er routines for advanced user.
Common User Command
Fo rmat
I BA SIC s tr ingS = "U charaS"
Synt ax T hi s command must send through command
channel.
Chara S
Fun ction
A
or1 As "B-R" but read fr om
f irst byte of bl ock
Bor2 As "B-W" but initial
buffer pointer to
one
Cor3
As "M-E" RAM S500
D or 4 As "M-E" RAM S503
E or 5 As "M-E" RAM 5506
For 6 As "M-E" RAM S509
Gor7
As " M-E " RAM S50C
Hor8 As " M-E " RAM S50F
1+ 1 541 modp.
1-
1540 mode
J or : Reset vector