C to ASM Parameter Passing Registers
| r25 | r24 | r23 | r22 | r21 | r20 | r19 | r18 |
| uint8_t | uint8_t | uint8_t | |||||
| uint16_t | uint16_t | uint8_t | uint16_t | uint16_t | |||
| uint32_t | uint32_t | uint32_t | uint32_t | uint16_t | uint16_t | ||
| Values Passed In | |||||||
| Values Passed Out | |||||||
| uint8_t | |||||||
| uint16_t | uint16_t | ||||||
| uint32_t | uint32_t | uint32_t | uint32_t | ||||
| uint64_t | uint64_t | uint64_t | uint64_t | uint64_t | uint64_t | uint64_t | uint64_t |