Z86C03 Datasheet, PDF (30/348 Pages) Zilog, Inc. – General-Purpose Register File. Flexible I/O. Analog Inputs

Z8 Family of Microcontrollers
User Manual
12
Table 3. Working Register Groups (Continued)
Register Pointer
(FDh) High Nibble
0011b
0010b
0001b
0000b
Working Register Actual Registers
Group (Hex)
(Hex)
3
30–3F
2
20–2F
1
10–1F
0
00–0F
0 1 1 1 0 0 0 0 ^{Register Pointer (FDh), Standard Register File}
1 1 0 1 1 1 1 1 ^{INC R6 (instruction, short format)}
0 11 1 01 10
Actual register address (76h)
Figure 4. Working Register Addressing Examples
Address Space
UM001602-0904