To Select /Iack7 Pin Operation; To Specify Tracing Of Dma Cycles - HP 68302 User Manual

Chapter 3: Configuring the Emulator
Setting the Hardware Options
If external is selected, an active level on /CS[0-3] causes the emulator to drive
/DTACK to the processor, from either the target system or the emulator
based on the Emulation Memory Use Target DTACK setting.

To select /IACK7 pin operation

1 Choose the Settings→Emulator Config→Hardware... (ALT, S, E, H)
command.
Select either the /IACK7 or PB0 option for the /IACK7 Pin.
2
Choose the OK button to exit the Emulator Config dialog box.
3
If /IACK7 is selected, the /IACK7-PB0 pin is used as /IACK7. Emulator level 7
interrupt acknowledges are blocked to the target.
When PB0 is selected, the emulator does not affect this line.

To specify tracing of DMA cycles

1
Choose the Settings→Emulator Config→Hardware... (ALT, S, E, H)
command.
Select either the disable, enable, or tag option for Arbitration
2
Analysis.
Choose the OK button to exit the Emulator Config dialog box.
3
When the tag arbitration analysis mode is selected, a single emulation
analyzer state will be generated each time an external bus arbitration
sequence occurs.
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