diff options
-rw-r--r-- | README.md | 9 |
1 files changed, 3 insertions, 6 deletions
@@ -216,12 +216,9 @@ Example assembler code using the `custom0` mnemonic: #### maskirq -The "IRQ Mask" register contains a birtmask of masked (disabled) interrupts. -This opcodes writes a new value to the irq mask register and reads the old -value. - -Enable/disable interrupt sources. This instruction is encoded under the -`custom0` opcode: +The "IRQ Mask" register contains a bitmask of masked (disabled) interrupts. +This instruction writes a new value to the irq mask register and reads the old +value. This instruction is encoded under the `custom0` opcode: 0000011 00000 XXXXX 000 XXXXX 0001011 f7 rs2 rs f3 rd opcode |