diff options
Diffstat (limited to 'cpu/instructions/execution_control')
| -rw-r--r-- | cpu/instructions/execution_control/iretde.txt | 14 | ||||
| -rw-r--r-- | cpu/instructions/execution_control/irete.txt | 14 | ||||
| -rw-r--r-- | cpu/instructions/execution_control/ireth.txt | 14 |
3 files changed, 42 insertions, 0 deletions
diff --git a/cpu/instructions/execution_control/iretde.txt b/cpu/instructions/execution_control/iretde.txt new file mode 100644 index 0000000..9e13fa5 --- /dev/null +++ b/cpu/instructions/execution_control/iretde.txt @@ -0,0 +1,14 @@ +Number of parameters: 0 + +Usage: + iretde + +Effect: + ../../exceptions/execution.txt + + IP is set to OIPDE + PR is set to OPRDE + Will be considered to be in the previous exception handler + +Exceptions: + `Invalid operation` if not currently executing a double excetion handler diff --git a/cpu/instructions/execution_control/irete.txt b/cpu/instructions/execution_control/irete.txt new file mode 100644 index 0000000..273ea59 --- /dev/null +++ b/cpu/instructions/execution_control/irete.txt @@ -0,0 +1,14 @@ +Number of parameters: 0 + +Usage: + irete + +Effect: + ../../exceptions/execution.txt + + IP is set to OIPE + PR is set to OPRE + No longer considered to be in an exception handler + +Exceptions: + `Invalid operation` if not currently executing an excetion handler diff --git a/cpu/instructions/execution_control/ireth.txt b/cpu/instructions/execution_control/ireth.txt new file mode 100644 index 0000000..54c92c8 --- /dev/null +++ b/cpu/instructions/execution_control/ireth.txt @@ -0,0 +1,14 @@ +Number of parameters: 0 + +Usage: + ireth + +Effect: + ../../interrupts/execution.txt + + IP is set to OIPH + PR is set to OPRH + Hardware interrupts are allowed again + +Exceptions: + `Invalid operation` if not currently executing a hardware interrupt |