Sonic Alert msm83c154s Clock Radio User Manual


 
DESCRIPTION OF INSTRUCTIONS
309
50. LCALL code address (Long call)
00010010
70
Instruction code
Call address
Call address
Operations
Number of bytes
Number of cycles
Flags
(PSW)
Description
: Byte 1
A15 A14 A13 A12 A11 A10 A9 A8
70
Byte 2
(PC)(PC)+3
(SP)(SP)+1
((SP))(PC
0~7)
(SP)(SP)+1
((SP))(PC
8~15)
(PC
0~15)A0~15
:
C AC F0 RS1 RS0 OV F1 P
:
The contents of the program counter (return address) are
pushed in the stack following an increment.
Call address A
0~15 specified by operand are placed in the
program counter PC
0~15.
This instruction is capable of call to anywhere within the entire
range of 64K words.
:
:
:3
2
A7 A6 A5 A4 A3 A2 A1 A0
70
Byte 3