NEC PD78214 - Manual (Page 361)

332
µ
PD78214 Sub-Series
Fig. 12-25 Flow of Data Transfer by Macro Service (Type C)
Accepts macro service request
Read contents of macro service mode register
Identify channel type
Read channel pointer contents (m)
Read memory addressed by MPT
Automatic addition?
Increment MPTL
Yes
No
Yes
TYPE C
Other factors
To other macro service processing
Transfer data to compare register Add data to compare register
Retains MPT?
Read memory addressed by MPD
Transfer data to buffer register
Increment MPDL
1
No