Specifications

Multi Slave Product Re£erence Manual
Section 2
BOOTSTRAP SOFTWARE
The £ollowing program will provide the user with a bootstrap
£8cility which £ollows the protocol set £orth in the prior sec-
tion. This program is identical to that contained in the Multi
Slave monitor PROM
r
and assumes that an intermediate loader will
be received £rom the master.
SLVMSG
SALIVE
SDATA
SHl1EH
BOOT:
IN
IN
LD
OUT
LD
INIR
JP
EQU
EQU
EQU
EQU
20H
60H
0070H
BOOOH
Ar(SLVMSG)
Ar (SALIVE)
BCrSDATA
(C) rB
HLrSHMEM
SHHEM
; 110 READ SETS SLAVE MESSAGE BIT
110 READ SETS SLAVE ALIVE BIT
; B=HESSAGE LENGTH
r
C=PORT ADDRESS
; ONLY ADDRESSES ABOVE BOOOH ARE
; ACCESSABLE WHILE PROM IS ENABLED
;
SET SLAVE MESSAGE BIT
; SET SLAVE ALIVE BIT
; B=BYTE COUNT (0=256 BYTES)
; C=PORT ADDRESS
SEND
BYTE COUNT FIRST
; ADDRESS TO STORE INCOMING MESSAGE
(WHICH WILL BE THE INTERMEDIATE
;
LOADER PROGRAM)
RECEIVE ENTIRE MESSAGE FROM MASTER
BRANCH & EXECUTE INTERMEDIATE LOADER
MASTER/SLAVE COMMUNICATIONS
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