CHIP-8 sub implementation in Rust
| ✓ | Opcode | Type | Function | Test | Explaination |
|---|---|---|---|---|---|
| ✗ | 0NNN |
Call |
✗ | Calls machine code routine at address NNN. | |
| ✗ | 00E0 |
Display |
✗ | Clears the screen. | |
| ✓ | 00EE |
Flow |
ret() |
✗ | Returns from a subroutine. |
| ✓ | 1NNN |
Flow |
jump() |
✗ | Jumps to address NNN. |
| ✓ | 2NNN |
Flow |
call() |
✗ | Calls subroutine at NNN. |
| ✓ | 3XKK |
Cond |
skip_eq |
✓ | Skips the next instruction if VX equals KK. |
| ✓ | 4XKK |
Cond |
skip_ne |
✓ | Skips the next instruction if VX does not equal KK |
| ✓ | 5XY0 |
Cond |
skip_eq |
✓ | Skips the next instruction if VX equals VY. |
| ✓ | 6XKK |
Const |
set() |
✓ | Sets VX to NN. |
| ✓ | 7XKK |
Const |
add() |
✓ | Adds NN to VX. |
| ✓ | 8XY0 |
Assig |
set() |
✓ | Sets VX to the value of VY. |
| ✓ | 8XY1 |
BitOp |
or_bitwise_set() |
✓ | Sets VX to VX or VY |
| ✓ | 8XY2 |
BitOP |
add_bitwise_set() |
✓ | Sets VX to VX and VY. |
| ✓ | 8XY3 |
BitOp |
xor_bitwise_set() |
✓ | Sets VX to VX xor VY. |
| ✓ | 8XY4 |
Math |
add_xy() |
✓ | Adds VY to VX. VF is set to 1 when there's a carry, and to 0 when there is not. |
| ✓ | 8XY5 |
Math |
sub_xy() |
✓ | VY is subtracted from VX. VF is set to 0 when there's a borrow, and 1 when there is not. |
| ✓ | 9XY0 |
Cond |
skip_ne() |
✓ | VY is subtracted from VX. VF is set to 0 when there's a borrow, and 1 when there is not. |