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Using the 177Bug Debugger
Address as a Parameter
Many commands use ADDR as a parameter. The syntax accepted by 177Bug is similar to the one accepted by the MC68060
Address Formats
Table
Table B-2. Debugger Address Parameter Formats
Format | Example | Description |
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N | 140 | Absolute address+contents of |
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| automatic offset register. |
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N+Rn | 130+R5 | Absolute address+contents of |
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| the speciÞed offset register (not |
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| an |
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(An) | (A1) | Address register indirect (also |
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| |
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(d,An) or | (120,A1) | Address register indirect with |
d(An) | 120(A1) | displacement (two formats |
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| accepted). |
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(d,An,Xn) or | (&120,A1,D2) | Address register indirect with |
d(An,Xn) | &120(A1,D2) | index and displacement (two |
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| formats accepted). |
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([bd,An,Xn],od) | ([C,A2,A3],&100) | Memory indirect preindexed. |
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([bd,An],Xn,od) | ([12,A3],D2,&10) | Memory indirect postindexed. |
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For the memory indirect modes, Þelds can be omitted.
For example, three of many permutations are as follows:
([,An],od) |
| ([,A1],4) |
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([bd]) |
| ([FC1E]) |
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([bd,,Xn]) |
| ([8,,D2]) |
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Notes | N | Ñ Absolute address(any valid expression). |
B |