Accelerator Manual (G06.24+, H06.03+)

Index
Accelerator Manual—527303-002
Index-8
U
Transitions into TNS code
caused by internal procedure calls 6-7
caused by SETE instructions 6-14
caused by SETP state machines 6-12
eliminating 6-8
reducing 6-5
register-exact points 6-3
where they occur 6-2
Trap handlers
checking overflow 2-2
coding guidelines 8-1
using the ENV register 3-2
using the P register 2-5
using the program counter 2-5
using the register stack 2-4
variances 2-4, 3-4
Trap #1 2-16
Traps disabled 5-5
TruncateIndexing_Off option 5-6, 6-2
TruncateIndexing_On option 5-6, 6-2
Truncation in address calculations 5-6
Turning Notes on 4-15
U
UC option 4-9
UC_Scope 3-14, 4-13
UL option 4-9
UL_Scope 3-14, 4-13
Uninitialized pointers 2-11, 6-16
USE statements 3-4
User code 4-10
User data segment 2-7
User libraries 4-10, 6-2, 6-7
accelerating 4-10
UserLib option 4-10, 6-2, 6-7
Using SQL 4-11
V
Variances
address calculations 5-6
addresses of P-relative objects 2-6
arithmetic overflows 5-6
atomicity 5-2
code generation 5-1
ENV register 3-2
future 8-1
global and local data blocks 3-12
inheritance of condition codes 5-3
modifying array indexes 5-6
modifying pointers 5-6
odd-byte references 2-10
passing parameters in registers 3-3
privileged code 8-1
privileged instructions 2-6
procedure calls 3-7
procedure name conflicts 3-13
register stack 2-4
registers 3-4
SG pointers 2-7
shift instructions 2-12
stack wrapping 2-4
trap handlers 2-4, 2-5, 3-2
W
Warning 30 6-6
Warning 31 6-6
Warning 32 3-7, 3-12
Warning 33 5-4
Warning 34 3-3
Warning 38 5-5
Warnings 9-9
importance of 9-1
suppression of 4-15
Waxcel flag 4-3, 4-11
Wverbose flag 4-4
Special Characters
$OVERFLOW function 2-2, 8-1