W65C832_1 Datasheet, PDF (17/64 Pages) –

WOC
THE WESTERN DESIGN CENTER, INC.
W65C832
I Status Reg. (P) I
I lEI
I-I
I 111
lEI E16 - W65C816 Emulation
I 1611181
181 E8 - w65C02 Emulation
INIVIMIXIDIIIZICI
II I II I II
I I I I I I I I Carry 1 = true
I I I I I I I -- Zero 1 = result zero
IIIIII
I I III
IRQ- disable 1 = disable
Decimal mode 1 = true
II II
Index Reg. Select
III
Memory Width Select
II
Overflow 1 = true
I
Negative 1 = neg.
Figure 1-5 W65C832 Status Register Coding
Table 1-1 W65C832 Emulation and Register Width Control
E16 E8
00
00
00
00
01
01
01
01
1
0
1
0
10
10
11
I
A and X,Y
I
Memory Loads,
I
Loads, Stores,
I
Stores, Pushes,
I
Pushes, Pulls,
I
and
and
I
Pulls Address Generation
I
I
MX
I
I
0 0 16
32 W65C832 Native _I
0 1 16
8 W65C832 Native I
10
8
32 W65C832 Native I
11
8
8 W65C832 Native _I
0 0 32
32 W65C832 Native _I
0 1 32
8 W65C832 Native _I
10
8
32 W65C832 Native _I
11
8
8 W65C832 Native I
00
16
01
16
16
W65C816 Emulation _I
8 W65C816 Emulation _I
10
8
16 W65C816 Emulation _I
11
8
8 W65C816 Emulation _I
1 BRK 8
8 W65C02 Emulation _I
I
MARCH 1990
9