Lexicon MPX-1 - Page 21

4040 FEAO
CPI '
OAOH
404F CA5040
JZ MORE
4052 70
MOV M,B
4053 23
INX H
4054
73
MOV
MtE
4055 23
INX
H
4056
72
NOV M,D
4057 23
INX H
4058
71
MOV M,C
4059 23
INX H
405A C34940
JMP
LOOPI
405D 21E040 MORE:
LXI
H,ATTN
4060 223000
SHLD 003DH
;check for end
ithe JUMP
;the OU~lY addr.
;the NOP
;addr. of ATTN routine
iThis part of the code writes the addresses of the command
iroutines into the command table.
4063
21CE41 LXI
Il,NOPR
4066
220100
'SHLO
CMNDTBL+1
4069 213140
LXI: H,START
406C 220500 SHLD
CMNDTBL+5
406F 21CF'41 LXI H,SET11SK
4072 220900
SHLD CMNDTBL+9
4075 21D641
LXI H,SETEOI
4078 220DOO
SHLD CMNDTBL+13
407B 21DD41 LXI H,READRG
407E 221100
SHLO CMNDTBL+17
4081 21F841
LXI H,SETRSP
4084 221500 SHLD CMNDTBL+21
4087 21FF41 LXI
H,SIZE
408A 221900 SHLD
CMNDTBL+25
408D 213342 LXI
"',H,LDRAM
4090 221000 SHLD CMNDTBL+29
4093 214842 LXI H,EXRAU
4096 222100 SHLD CMNDTBL+33
4099 214F42 LXI H,BLKMOV
409C 222500 SHLD CMNDTBL+37
409F 216542 LXI
H,FSTMOV
40A2 222900 SHLD CMNDTBL+41
40A5
3lFFOO LXI SP,STACK
40A8
21ABOO
LXI H,LINKAD
40AB 3650
MVI M,50H
40AD 23
INX H
40AE AF
XRA
A
40AF 77
MOV M,A
40BO 23
INX
H
40B1 77
MOV
M,A
iaddress of NOP routine
;RESET jump
;set mask routine
;EOI routine
iINT regester read routine
iset response byte routine
;return size routine
;load RA}1 routine
iexecute RAM routine
;block move routine
;fast block move routine
;low order initial link addr.
;This routine arms the attention interrupt and waits.
40B2 3E1B
40B4 30
40B5 FB
40B6 76
REARM: MVI
DB
EI
HLT
A,1BH
SUI
22