Motorola MC68306 Betriebsanweisung PDF herunterladen (Seite 50)

To synchronize the inverse assembler

1 Identify a line on the display that you know is the first state of an

instruction fetch.

2 Roll this line to the top of the listing.

3 Select the "Invasm" field at the top of the screen.

The listing will inverse assemble from the top line down. Any data before this

screen is left unchanged. Rolling the screen up will inverse assemble the

lines as they appear on the bottom of the screen. If you jump to another area

of the listing by entering a new line number or by rolling the screen down,

you may have to re-synchronize the inverse assembler by repeating the

described steps.

Each time you inverse assemble a block of memory, the analyzer will keep

that block in the inverse assembled condition. You can inverse assemble

several different blocks in the analyzer memory, but the activity between

those blocks will not be inverse assembled.

Example Synchronize the inverse assembler by positioning the first instruction to be

disassembled at the top of the listing display and choosing "Invasm" from the

top of the display.

Figure 8

Synchronization begins

at the top of the display,

not at the cursor position.

Cursor position.

Analyzing the Motorola MC68306

To synchronize the inverse assembler

MC68306 Preprocessor 2–13

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 88 89

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Motorola MC68306 Betriebsanweisung Seite 50