ez80f91 ZiLOG Semiconductor, ez80f91 Datasheet - Page 260
ez80f91
Manufacturer Part Number
ez80f91
Description
Ez80 Acclaimplus!? Connectivity Assp Ez80f91 Assp
Manufacturer
ZiLOG Semiconductor
Datasheet
1.EZ80F91.pdf
(387 pages)
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Table 139. ZDI Read/Write Control Register Functions (ZDI_RW_CTL = 16h in the ZDI
Register Write Only Address Space) (Continued)
PS027001-0707
Hex
Value
05
06
07
08
09
0A
0B
Command
Read IY
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read SP
In ADL mode, SP = SPL.
In Z80 mode, SP = SPS.
Read PC
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Set ADL
ADL
Reset ADL
ADL
Exchange CPU register sets
AF
BC
DE
HL
Read memory from current PC
value, increment PC
←
←
←
←
←
←
AF’
HL’
BC’
DE’
1
0
←
←
←
←
←
←
IYL
PC[7:0]
IYU
IYH
PC[23:16]
PC[15:8]
Hex
Value
85
86
87
88
89
8A
8B
Command
Write IY
IYU
IYH
IYL
Write SP
In ADL mode, SP = SPL.
In Z80 mode, SP = SPS.
Write PC
PC[23:16]
PC[15:8]
PC[7:0]
Reserved
Reserved
Reserved
Write memory from current PC
value, increment PC
←
←
←
ZDI_WR_L
ZDI_WR_U
ZDI_WR_H
←
←
←
ZDI_WR_L
ZDI_WR_H
ZDI_WR_U
Product Specification
Zilog Debug Interface
eZ80F91 ASSP
252
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