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Chapter 6: Using the NCR 4430 Emulation Application
Reset Buffered Data (Function Code F1h)
When the 4430 emulation application receives the function code, F1h, it
displays the appropriate message shown below.
If 4430-Initiated Buffering is in Effect
Select
Debit or Credit
If Host-Initiated Buffering is in Effect
Ready
Read Buffered Special Function Keypad Input
(Function Code 75h)
Status field definitions are shown below.
Key Press Buffered
One Byte Status
Value
4430-5000
4430 Emulation Application
23h
F1
F5 [Yes(Credit) key]
2Ah
F2
F6 [No(Debit )key]
24h
F3
n/a
0Dh
Enter key
n/a
Power-Up Diagnostics Test (Function Code C2h)
Only response codes 7Fh (table error) and 6Eh (no error) are applicable
to the 4430 emulation application. No ROM checksum or RAM pattern
test is performed.
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