GMS84512 Datasheet, PDF (15/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

2.1. REGISTERS
15
87
PCH
7
15
87
Y
7
7
7
7
PCL
A
A
X
Y
SP
PSW
GMS 84512 / 84524
0
Program Counter
0
A - Register
0
( YA 16bit Accumulator )
0
X - Register
0
Y - Register
0
Stack Pointer *1
0
Program Status Word
NVGBH I Z C
Carry Flag
Zero Flag
Interrupt Enable Flag
Half Carry Flag
Break Flag
G ( Direct Page ) Flag
Overflow Flag
Negative Flag
*1 STACK ADDRESS ( 0100_H ~ -013F_H )
15
87
0
01_H
SP
Hardware fixed
2-1