Set one byte on CoProcessor condition
NAME
cpScc -- Set one byte on coprocessor condition
SYNOPSIS
cpScc <ea>
Size = (Byte)
FUNCTION
If given condition is true, byte specified by <ea> is loaded with $FF.
Else it is loaded with $00.
FORMAT
<ea>
----------------------------------------=========================
|15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|-----------|---|---|---|-----------|-----------|
| 1 | 1 | 1 | 1 | CP-ID =! 0| 0 | 0 | 1 | MODE | REGISTER |
|---|---|---|---|-----------|---|---|---|-----------------------|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | COPROCESSOR CONDITION |
|---------------------------------------------------------------|
| OPTIONAL COPROCESSOR EXTENSION WORD or OPTIONAL <ea> |
-----------------------------------------------------------------
CP-ID field identify coprocessor (1 to 7). If CP-ID=0,
"line emulation F" exception is generated.
"COPROSSESSOR CONDITION" field, specifies condition to test.
This condition is addressed to coprocessor which, after examining
this one, address directives to processor in order to execute
the instruction.
REGISTER
<ea> field specifies place of destination byte.
Allowed addressing modes are:
--------------------------------- -------------------------------
|Addressing Mode|Mode| Register | |Addressing Mode|Mode|Register|
|-------------------------------| |-----------------------------|
| Dn |000 |N° reg. Dn| | Abs.W |111 | 000 |
|-------------------------------| |-----------------------------|
| An | - | - | | Abs.L |111 | 001 |
|-------------------------------| |-----------------------------|
| (An) |010 |N° reg. An| | (d16,PC) | - | - |
|-------------------------------| |-----------------------------|
| (An)+ |011 |N° reg. An| | (d8,PC,Xi) | - | - |
|-------------------------------| |-----------------------------|
| -(An) |100 |N° reg. An| | (bd,PC,Xi) | - | - |
|-------------------------------| |-----------------------------|
| (d16,An) |101 |N° reg. An| |([bd,PC,Xi],od)| - | - |
|-------------------------------| |-----------------------------|
| (d8,An,Xi) |110 |N° reg. An| |([bd,PC],Xi,od)| - | - |
|-------------------------------| |-----------------------------|
| (bd,An,Xi) |110 |N° reg. An| | #data | - | - |
|-------------------------------| -------------------------------
|([bd,An,Xi]od) |110 |N° reg. An|
|-------------------------------|
|([bd,An],Xi,od)|110 |N° reg. An|
---------------------------------
RESULT
Not affected.
SEE ALSO
cpBcc
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Patch level: 36
& witbrock@cs.cmu.edu