Programming instructions

BASIC IOT INSTRUCTIONS
MNEMONIC
CODE
OCTAL
CODE
mci
70700 1
mrs
707012
mli
707005
msc
707101
msi
707201
msf 707301
mrl
707112
mrm 707202
mrr 707302
mwl
707104
mwm 707204
mwr
707304
crsf
crsa
crsb
crrb
706701
skip if reader character flag is a 1
706704
select card reader for alphanumeric
706744
select card reader for binary
706712 read card column buffer into AC
cpsf
cpse
cplr
cpcf
706401
skip if the card punch flag is a 1
706444 select a card, set card punch flag
706406
load row buffer, clear punch flag
706442
clear punch flag
lpsf 706501
lpcf
706502
lpld
706542
lpse
706506
lssf
706601
lscf
706602
ISIS
706606
(continued)
OPERATION
Magnetic tape type 54
clear tape instruction and character buffer
read tape status into AC
load instruction buffer
skip if character is present for reading
clear interrupt flag and select interrupt
skip if the tape flag is a 1 (end of record)
clear AC, read character buffer into AC left
clear character buffer
read character buffer into AC middle
clear character buffer
read character buffer into AC right
clear character buffer
write a character from AC left
write a character from AC middle
write a character from AC right
Card reader
Card punch
Line printer
skip if printing flag is a 1
clear printing flag
load the printing buffer
select printing, clear printing flag
skip if spacing flag is a 1
clear spacing flag
load spacing buffer and select spacing,
clear spacing flag
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