HP 3000 III Series Manual page 192

System Microcode
Table 5-3. S-Bus Field Code Definitions (Continued)
-----~----1----~--1----------~--~------------
I
Field
I
I Label and Name I Code
I
Description
I
I I I I
------_·------'1--·--·_--
--·-~--·--·-~----·--_·-··-·-·--~--'-I
SM
I
10011 The l6-bit content of the SM Regis-I
(Stack Memory)
I
ter is loaded into the S-Bus Regis-I
I
ter.
I
I I
SPI 00001 The l6-bit content of the SPI Reg-
I
(Scratch Pad 1) ister is loaded into the S-Bus Reg-
iste r.
SP3
(Scratch Pad 3)
STA
(STATUS)
SWCH
UBUS
10101 The l6-bit content of the SP3 Reg-
ister is loaded into the S-Bus Reg-
iste r.
10100 The 16-bit status word is loaded
into the S-Bus Reg iste r.
00111 The 16-bit cont~nt of the Switch
Register is loaded into the S-Bus
Regi ste r.
01110 The l6-bit U-Bus data word is load-
ed into the S-Bus Reg i s te r. Th e U-
Bus data is established by the pre-
ceding microinstruction.
5-12