IBM System/7 Functional Characteristics - All about the IBM 1130 ...

Keyboard Entry and Print0 5 8 11 1 6 20 26 31Op code R Fun Zeros Mod DA MA0 0 0 0 1 X X X 0 0 1 0 0 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 01111 ii 11 1111 111 11111 11111■■•■••••,...11.■ ••■•,,,■■•• ••■•••••,■••■• ••••■••,,•••■■■ ••••••••■,,M1w,0 8-F 2 0 B 2 0This command unlocks the keyboard, enables the printer, and turns on the operator stationrequest switch light. When an operator enters a character on the keyboard, the character isprinted and its character code is transmitted to the operator station adapter. The keyboardis then locked, the printer is disabled, the request switch light is turned off, and theoperator station adapter presents an interruption request. After the interruption requestis presented, a read command must be used to obtain the character from the adapter.Following this read command, another keyboard-entry-and-print command is normallyissued to accept the next character from the keyboard. The contents of the R field areignored in the keyboard-entry-and-print command.If the operator station motor is not running, condition code 1 is returned and bit 3 ofthe direct control channel status word is set on. Condition code 2 is returned if theoperator station is busy or has an interruption pending.Keyboard Entry and No Print0 5 8 11 1 6 20 26 31Op code R Fun Zeros Mod DA MA00001 XX OO10000010010010000000001111 II 11 1111 111 11111 111110 8-F 2 0 9 2 0 0This command performs the same function as the keyboard-entry-and-print command,except that the character is not printed. The command unlocks the keyboard and turns onthe operator station request switch light. When the operator enters a character on thekeyboard, the character code is transmitted to the operator station adapter. The keyboardis then locked, the request switch light is turned off, and the adapter presents an interruptionrequest. After the interruption request is presented, a read command must be usedto obtain the character from the adapter. Following this read command, another keyboardentry-and-no-printcommand is normally issued to accept the next character from thekeyboard. The contents of the R field are ignored in the keyboard-entry-and-no-printcommand.If the operator station motor is not running, condition code 1 is returned and bit 3 ofthe direct control channel status word is set on. Condition code 2 is returned if theoperator station is busy or has an interruption pending.IBM 5028 Operator Station 9-911111111111111•14,