< Compile Options / Microcontroller Options >
When this option is omitted, it does not generate the saved and restored code of the accumulator (ACC,ACC0,ACC1) for interrupt functions.
This option generates the saved and restored code of the accumulator (ACC,ACC0,ACC1) for interrupt functions. |
The code for saving and restoring the ACC is generated when RXv1 is selected for ISA*1 or the microcomputer type is selected by the CPU*2. |
The code for saving and restoring ACC0 and ACC1 is generated when a value other than RXv1 is selected for ISA*1. |
*1) This means a selection by the -isa option or the ISA_RX environment variable.
*2) This means a selection by the -cpu option or the CPU_RX environment variable.
The generated code for saving and restoring is the same code generated when interrupt specification "acc" is selected in #pragma interrupt. For the actual code for saving and restoring, refer to the description of #pragma interrupt in section 4.2.3 #pragma Directive. |