Calculator User Manual

Index
Index-17
PREG instructions
(continued)
load high bits of PREG (LPH) 7-85
set PREG output shift mode (SPM) 7-167
store high word of PREG to data memory
(SPH) 7-161
store low word of PREG to data memory
(SPL) 7-163
store PREG to accumulator (PAC instruc-
tion) 7-134
store PREG to accumulator and load TREG
(LTP) 7-98
subtract PREG from accumulator (SPAC) 7-160
subtract PREG from accumulator and load TREG
(LTS) 7-100
subtract PREG from accumulator and multiply
(MPYS) 7-118
subtract PREG from accumulator and square
specified value (SQRS) 7-170
product register (PREG) 3-6
product shift mode bits (PM) 3-17
product shift modes 3-7
product shifter 3-6
program address bus (PAB)
definition 2-3
used in program-memory address genera-
tion 5-3
program address register (PAR)
definition F-16
shown in figure 5-2
program control features
See also interrupts
address generation, program memory 5-2
branch instructions
conditional 5-11
unconditional 5-8
call instructions
conditional 5-12
unconditional 5-8
conditional instructions 5-10 to 5-13
conditions that may be tested 5-10 to 5-13
stabilization of conditions 5-11 to 5-13
using multiple conditions 5-10
pipeline operation 5-7
program counter (PC) 5-3
loading 5-4
program control features (continued)
repeating a single instruction 5-14
reset conditions 5-33
return instructions
conditional 5-12
unconditional 5-9
stack 5-4
status registers ST0 and ST1 3-15
bits 3-15
program counter (PC) 5-3
description 5-3
loading 5-4
shown in figure 5-2
program examples C-1 to C-24
about the examples C-2
asynchronous serial port
automatic baud-rate detection test C-16
delta interrupts C-18
transmission C-13
transmission loopback test C-14
boot loader code
command file C-24
hex conversion file C-24
command file (generic) C-5
delay loops C-8
header file with I/O register declarations C-6
header file with interrupt vector declara-
tions C-7
HOLD operation C-11
interrupt INT1
C-10
interrupts INT2 and INT3 C-12
synchronous serial port
transmission (continuous mode) C-20
using with codec C-21
timer C-9
program memory
address generation logic 5-2
micro stack (MSTACK) 5-6
program counter (PC) 5-3
stack 5-4
address map
’C203 4-32
’C204 4-35
’C209 11-6
address sources 5-3