The header file <inmsp.h> defines a number of intrinsic functions of general use for the MSP430 processor. This file is written to be compatible, and in some cases an enhancement of, the <in430.h> file in version 3 of IAR's Embedded Workbench for MSP430 (EW430) product.
Status register manipulation | |
__bic_SR_register | Clear bits in status register |
__bic_SR_register_on_exit | Clear bits in stacked status register |
__bis_SR_register | Set bits in status register |
__bis_SR_register_on_exit | Set bits in stacked status register |
__disable_interrupt | Disable global interrupts |
__enable_interrupt | Enable global interrupts |
Byte order manipulation | |
__swap_long_bytes | Swap order of bytes in a long |
__swap_words | Swap order of words in a long |
__swap_bytes | Swap order of bytes in a word |
__swap_nibbles | Swap order of nibbles in a byte |
Bit order manipulation | |
__bit_reverse_char | Reverse the order of bits in a char |
__bit_reverse_short | Reverse the order of bits in a short |
__bit_reverse_long | Reverse the order of bits in a long |
__bit_reverse_long_long | Reverse the order of bits in a long long |
Bit counting | |
__bit_count_leading_zeros_char | Count the number of leading zero bits in a char |
__bit_count_leading_zeros_short | Count the number of leading zero bits in a short |
__bit_count_leading_zeros_long | Count the number of leading zero bits in a long |
__bit_count_leading_zeros_long_long | Count the number of leading zero bits in a long long |
Register manipulation | |
__get_register | Read the value of a CPU register |
__set_register | Write a CPU register with a given value |
Binary coded decimal arithmetic | |
__bcd_add_short | Add two 16-bit values using decimal arithmetic |
__bcd_add_long | Add two 32-bit values using decimal arithmetic |
__bcd_add_long_long | Add two 64-bit values using decimal arithmetic |
__bcd_negate_short | Negate a 16-bit value using decimal arithmetic |
__bcd_negate_long | Negate a 32-bit value using decimal arithmetic |
__bcd_negate_long_long | Negate a 64-bit value using decimal arithmetic |
__bcd_subtract_short | Subtract two 16-bit values using decimal arithmetic |
__bcd_subtract_long | Subtract two 32-bit values using decimal arithmetic |
__bcd_subtract_long_long | Subtract two 64-bit values using decimal arithmetic |
Miscellaneous functions | |
__no_operation | Insert a NOP instruction |
__insert_opcode | Insert an instruction |
__delay_cycles | Delay execution for a number of cycles |