Tentative definitions for terminal definition block
Ryan & Vint Associates, 514 E. 4th St., Santa Ana, CA 92701 (714)835-3073
Offset name size description
0 T.STS W Status flags
2 T.IDV L Interface driver address
6 T.IHW L I/O register base (hardware)
12 T.IHM L Interface hardware port number
16 T.TDV L Terminal driver address
22 T.ICC L Input character count
26 T.ECC L Echo character count
32 T.BCC L Break character count
36 T.IBF L Input buffer addr (base)
42 T.IBS L Input buffer size
46 T.OQX L Output queue index
52 T.OBX L Output buffer index
56 T.OBF L Output buffer addr (base)
62 T.OBS L Output buffer size
66 T.OBD L Output buffer ??
72 T.POB W Beginning position count
74 T.POO W Current output position
76 T.LCH B Last character input
100 T.JLK L JCB link
104 T.ILB L Interface buffer
110 T.ILS L Interface size (terminal width)
114 T.IMP L Impure area pointer
120 T.BAU W Baud rate (#2=110)
122 T.SPR 32b ?? terminal spare area
154 T.TDF ?? ?? - end of spare area
Status Word Flags
T$IMI= IMI= 1 Set to force image mode
T$ECS= ECS= 2 Set to suppress input character echoing
T$LCL= LCL= 4 Set if terminal has local echoing (half duplex)
T$DAT= DAT= 10 Set to engage data mode (complete I/O transparency)
T$ILC= ILC= 20 Set to allow lower case input
T$OIP= OIP= 200 Output in progress flag
