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FrameFX Documentation v1.0
Kirby0Louise edited this page May 18, 2022
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- 0x0000000 - 0x07FFFFF: Work RAM
- 0x0800000 - 0x0FFFFFF: Program RAM (your compiled shader gets loaded here)
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| ADD | $01 | 6 | ADD address, register | Adds the value at the address specified to the target register |
| ADDI | $02 | 6 | ADDI value, register | Adds the value specified to the target register |
| ADDR | $03 | 3 | ADDR register, register | Adds the register specified to the target register |
| SUB | $04 | 6 | SUB address, register | Subtracts the value at the address specified from the target register |
| SUBI | $05 | 6 | SUBI value, register | Subtracts the value specified from the target register |
| SUBR | $06 | 3 | SUBR register, register | Subtracts the register specified from the target register |
| MUL | $07 | 6 | MUL address, register | Multiplies the value at the address specified to the target register |
| MULI | $08 | 6 | MULI value, register | Multiplies the value specified to the target register |
| MULR | $09 | 3 | MULR register, register | Multiplies the register specified to the target register |
| DIV | $0A | 6 | DIV address, register | Divides the register specified by the value at the address specified |
| DIVI | $0B | 6 | DIVI value, register | Divides the register specified by the value specified |
| DIVR | $0C | 3 | DIVR value, register | Divides the register specified by the register specified |
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| MOV | $0D | 6 | MOV address, register | Copies the value at the address specified to the target register |
| MOVI | $0E | 6 | MOVI value, register | Copies the value specified to the target register |
| MOVR | $0F | 3 | MOVR register, register | Copies the register specified to the target register |
| MOVAA | $10 | 9 | MOVAA address, address | Copies the value at the address specified to the target address |
| MOVIA | $11 | 9 | MOVIA value, address | Copies the value specified to the target address |
| MOVRA | $12 | 6 | MOVRA register, address | Copies the register specified to the target address |
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| AND | $13 | 6 | AND address, register | Logical ANDs the value at the address specified to the target register |
| ANDI | $14 | 6 | ANDI value, register | Logical ANDs the value specified to the target register |
| ANDR | $15 | 3 | ANDR register, register | Logical ANDs the register specified to the target register |
| NOT | $16 | 5 | NOT address | Inverts the contents of the specified address |
| NOTR | $17 | 2 | NOTR register | Inverts the contents of the specified register |
| OR | $18 | 6 | OR address, register | Logical ORs the value at the address specified to the target register |
| ORI | $19 | 6 | ORI value, register | Logical ORs the value specified to the target register |
| ORR | $1A | 3 | ORR register, register | Logical ORs the register specified to the target register |
| XOR | $1B | 6 | XOR address, register | Logical XORs the value at the address specified to the target register |
| XORI | $1C | 6 | XORI value, register | Logical XORs the value specified to the target register |
| XORR | $1D | 3 | XORR register, register | Logical XORs the register specified to the target register |
| LSL | $1E | 6 | LSL address, amount | Logically shifts left the value at the address specified by the amount specified places |
| LSLR | $1F | 3 | LSL register, amount | Logically shifts left the register specified by the amount specified places |
| LSR | $20 | 6 | LSR address, amount | Logically shifts right the value at the address specified by the amount specified places |
| LSRR | $21 | 3 | LSRR register, amount | Logically shifts right the register specified by the amount specified places |
| ROL | $22 | 6 | ROL address, amount | Rotates left the value at the specified address by the amount specified places |
| ROLR | $23 | 3 | ROLR register, amount | Rotates left the register specified by the amount specified places |
| ROR | $24 | 6 | ROR address, amount | Rotates right the value at the specified address by the amount specified places |
| RORR | $25 | 3 | RORR register, amount | Rotates right the register specified by the amount specified places |
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| JMP | $26 | 5 | JMP address | Unconditional jump by signed offset at the address specified |
| JMPI | $27 | 5 | JMPI offset | Unconditional jump by signed offset |
| JSR | $28 | 5 | JSR address | Unconditional subroutine jump by signed offset at the address specified |
| JSRI | $29 | 5 | JSRI offset | Unconditional subroutine jump by signed offset |
| BRAZ | $2A | 5 | BRAZ value | Branch to subroutine at PC + signed offset at the address specified if Zero flag is set |
| BRAN | $2B | 5 | BRAN value | Branch to subroutine at PC + signed offset at the address specified if Negative flag is set |
| BRAC | $2C | 5 | BRAC value | Branch to subroutine at PC + signed offset at the address specified if Carry flag is set |
| BRAV | $2D | 5 | BRAV value | Branch to subroutine at PC + signed offset at the address specified if Overflow flag is set |
| RTS | $2E | 1 | RTS | Returns from the current subroutine |
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| CMP | $2F | 6 | CMP address, register | Compares the value at the specified address with the specified register by subtracting the two and setting the proper flags. The result is NOT saved to the target register |
| CMPI | $30 | 6 | CMP value, register | Compares the value specified with the specified register by subtracting the two and setting the proper flags. The result is NOT saved to the target register |
| CMPR | $31 | 3 | CMP register, register | Compares the register specified with the specified register by subtracting the two and setting the proper flags. The result is NOT saved to the target register |
| Mnemonic | Hex | Length | Syntax | Details |
|---|---|---|---|---|
| GETPIX | $32 | 6 | GETPIX address, register | Gets the RGBA value of a pixel from the frame buffer using coordinates at the address specified and stores it in the register specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| GETPIXI | $33 | 6 | GETPIXI value, register | Gets the RGBA value of a pixel from the frame buffer using coordinates specified and stores it in the register specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| GETPIXR | $34 | 3 | GETPIXR register, register | Gets the RGBA value of a pixel from the frame buffer register specified and stores it in the register specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIX | $35 | 9 | SETPIX address, address | Sets the RGBA value of a pixel to the frame buffer using coordinates at the address specified using the data at address specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXI | $36 | 9 | SETPIXI address, value | Sets the RGBA value of a pixel to the frame buffer using coordinates at the address specified using the data specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXR | $37 | 6 | SETPIXR address, register | Sets the RGBA value of a pixel to the frame buffer using coordinates at the address specified using the register specified. The first two bytes of the address specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXIA | $38 | 9 | SETPIXIA value, address | Sets the RGBA value of a pixel to the frame buffer using coordinates specified using the data at address specified. The first two bytes of the data specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXII | $39 | 9 | SETPIXII value, value | Sets the RGBA value of a pixel to the frame buffer using coordinates specified using the data specified. The first two bytes of the data specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXIR | $3A | 6 | SETPIXIR value, register | Sets the RGBA value of a pixel to the frame buffer using coordinates specified using the register specified. The first two bytes of the data specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXRA | $3B | 6 | SETPIXRA register, address | Sets the RGBA value of a pixel to the frame buffer using the register specified and the data at the address specified. The first two bytes of the register specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXRI | $3C | 6 | SETPIXRI register, value | Sets the RGBA value of a pixel to the frame buffer using the register specified and the data specified. The first two bytes of the register specify the X coordinate, the second two bytes specify the Y coordinate |
| SETPIXRR | $3D | 3 | SETPIXRR register, register | Sets the RGBA value of a pixel to the frame buffer using the register specified and register specified. The first two bytes of the register specify the X coordinate, the second two bytes specify the Y coordinate |