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

Write Analog Output Holding Register0 5 8 11 16 20 26 31Op code R Fun Zeros Mod DA MA0 0 0 0 1 XXX 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 0 0 OXX XXXX1 11 II 11 II i 1 III 1 111 II 111••■■■•••.,,■ •■■•••■■e•ww,0 8-F 2 0 1 A 0-3 XThis command stores the output data from the index register (R), or the accumulator ifR=000, into the holding register.The holding register is a buffer that allows the data to be verified by the program priorto transferring it to one of two analog output registers (and to the correspondingterminals).Set Analog Output Register0 5 8 11 16 20 26 31Op code R Fun Zeros Mod DA MA0 0 0 0 1 • ** 0 0 1 0 0 0 0 0 0 0 1 0 1 0 1 X 0 0 XX XXXX1111 ii 11 1111 III II 111 I 1111s••■■■•,.■/ •■•■•••,••■•• •■■••■•••■•• •••■•••■/•■• ••■•••Newa..0 •■••■•,,■••O 8 2 0 2 A or B 0-3 XThis command transfers the output data in the holding register to the analog output registeridentified by the device address field. The contents of the 10-bit analog output register arethen converted to the corresponding voltage signal, which is reflected at the addressedanalog output point terminals. The R field is ignored.Read Analog Output Register0 5 8 11 16 20 26 31Op code R Fun Zeros Mod DA MA0 0 0 0 1 XXXO 1 0 0 0 0 0 0 10 0 0 0 1 0 1 X 0 0 XX XXX X1 11 i i 11 III 1 III 1 1 1 1 I 11 I 1 1S.■••••■•■,...1m, S■•••••■,,MIIN,O•■••••■•••••••••, •■■••%,■•■•• ••■•■,„•wn.., ••••••••■/...."8-F 4 0 0 A or B 0-3 XThis command stores the output data from an analog output register (identified by thedevice address field) into the index register (R), or the accumulator if R=000. Bits 11 to15 of the R register are set to 0's.Read Analog Output Holding Register5 8 11 16 20 26 31Op code R Fun Zeros Mod DA MA0 0 0 0 1 XX X 0 1 0 0 0 0 0 0 0 0 0 1 1 0 1 0 0 OXXXXXX1111 ii II [Ill III 11111 1111 I•••■••••■,■■ •••■■••••••••O 8-F 4 0 1 A 0-3 XThis command stores the output data from the holding register into the index register (R),or the accumulator if R=000. Bits 11 to 15 of the R register are set to 0's.Hill 11 um mow