Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
|
mg_notes:65816_notes:addressing_modes [2019/06/24 15:24] M.G. native address modes |
mg_notes:65816_notes:addressing_modes [2019/06/24 16:04] M.G. |
||
|---|---|---|---|
| Line 19: | Line 19: | ||
| | Accumulator | 0 | | | | Accumulator | 0 | | | ||
| + | ^ Simple Branches and Jumps ^^^^ | ||
| + | ^ Mode ^ Operand Size ^ Base Address ^ Effective Address \\ wrap to KKxxxx ^ | ||
| + | | Absolute {JMP, JSR} | 2 | KK0000 | base+operand | | ||
| + | | Relative {8} | 1 | {PC} | PC+signed operand | | ||
| + | | Relative {16(BRL)} | 2 | {PC} | PC+signed operand | | ||
| ^ Simple and Basic Indexed Memory Access ^^^^ | ^ Simple and Basic Indexed Memory Access ^^^^ | ||
| ^ Mode ^ Operand Size ^ Base Address ^ Effective Address ^ | ^ Mode ^ Operand Size ^ Base Address ^ Effective Address ^ | ||
| - | | Absolute {JMP, JSR} | 2 | KK0000 | base+operand | | + | | Absolute {not JMP/JSR} | 2 | BB0000 | base+operand | |
| - | | Absolute {others} | 2 | BB0000 | base+operand | | + | |
| | Absolute,X or ,Y | 2 | BB0000 | base+operand+X or Y | | | Absolute,X or ,Y | 2 | BB0000 | base+operand+X or Y | | ||
| | Direct | 1 | 00DDDD | base+operand, wrap to 00xxxx | | | Direct | 1 | 00DDDD | base+operand, wrap to 00xxxx | | ||
| | Direct,X or ,Y | 1 | 00DDDD | base+operand+X or Y, wrap to 00xxxx | | | Direct,X or ,Y | 1 | 00DDDD | base+operand+X or Y, wrap to 00xxxx | | ||
| - | | Long | 3 | 000000 | base+operand | | + | | Long | 3 | | operand | |
| - | | Long,X | 3 | 000000 | base+operand+x | | + | | Long,X | 3 | | operand+X | |
| - | | Relative {8} | 1 | KK0000 | base+signed operand, wrap to KKxxxx | | + | |
| - | | Relative {16(BRL)} | 2 | KK0000 | base+signed operand, wrap to KKxxxx | | + | |
| ^ Basic Stack Access ^^^^ | ^ Basic Stack Access ^^^^ | ||
| - | ^ Mode ^ Operand Size ^ Base Address ^ Effective Address ^ | + | ^ Mode ^ Operand Size ^ Base Address ^ Effective Address \\ wrap to 00xxxx ^ |
| - | | Stack {push, pull} | 0 | 00SSSS | base+0, wrap to 00xxxx | | + | | Stack {push, pull} | 0 | | 00SSSS (before decrement/after increment) | |
| - | | Stack,S | 1 | 00SSSS | base+operand, wrap to 00xxxx | | + | | Stack,S | 1 | 00SSSS | base+operand | |
| ^ Stack Indirect Access ^^^^^^^ | ^ Stack Indirect Access ^^^^^^^ | ||
| - | ^ Mode ^ Operand Size ^ Pointer Base Address ^ Pointer EA ^ Pointer Size ^ Target Base ^ Target EA ^ | + | ^ Mode ^ Operand Size ^ Pointer Base Address ^ Pointer EA \\ wrap to 00xxxx ^ Pointer Size ^ Target Base ^ Target EA ^ |
| - | | (Stack,S) | 1 | 00SSSS | base+operand (wrap to 00xxxx) | 2 | BB0000 | base+pointer | | + | | (Stack,S) | 1 | 00SSSS | base+operand | 2 | BB0000 | base+pointer | |
| ^ Indirect Jumps ^^^^^^^ | ^ Indirect Jumps ^^^^^^^ | ||
| - | ^ Mode ^ Operand Size ^ Pointer Base Address ^ Pointer EA ^ Pointer Size ^ Target Base ^ Target EA (wrap to KKxxxx) ^ | + | ^ Mode ^ Operand Size ^ Pointer Base Address ^ Pointer EA ^ Pointer Size ^ Target Base ^ Target EA ^ |
| - | | (Absolute) {JMP} | 2 | KK0000 | base+operand | 2 | KK0000 | base+pointer | | + | | (Absolute) {JMP} | 2 | KK0000 | base+operand | 2 | KK0000 | base+pointer, wrap to KKxxxx | |
| - | | (Absolute,X) {JMP} | 2 | KK0000 | base+operand+X | 2 | KK0000 | base+pointer | | + | | (Absolute,X) {JMP} | 2 | KK0000 | base+operand+X | 2 | KK0000 | base+pointer, wrap to KKxxxx | |
| - | | [Absolute] {JML} | 2 | KK0000 | base+operand | 3 | 000000 | base+pointer | | + | | [Absolute] {JML} | 2 | KK0000 | base+operand | 3 | | pointer | |
| ^ Direct Page Indirect ^^^^^^^ | ^ Direct Page Indirect ^^^^^^^ | ||
| - | ^ Mode ^ Operand Size ^ Pointer Base Address (Wrap to 00xxxx) ^ Pointer EA ^ Pointer Size ^ Target Base ^ Target EA ^ | + | ^ Mode ^ Operand Size ^ Pointer Base Address ^ Pointer EA \\ wrap to 00xxxx ^ Pointer Size ^ Target Base ^ Target EA ^ |
| | (Direct) | 1 | 00DDDD | base+operand | 2 | BB0000 | base+pointer | | | (Direct) | 1 | 00DDDD | base+operand | 2 | BB0000 | base+pointer | | ||
| - | | [Direct] | 1 | 00DDDD | base+operand | 3 | 000000 | base+pointer | | ||
| | (Direct,X) | 1 | 00DDDD | base+operand+X | 2 | BB0000 | base+pointer | | | (Direct,X) | 1 | 00DDDD | base+operand+X | 2 | BB0000 | base+pointer | | ||
| | (Direct),Y | 1 | 00DDDD | base+operand | 2 | BB0000 | base+pointer+Y | | | (Direct),Y | 1 | 00DDDD | base+operand | 2 | BB0000 | base+pointer+Y | | ||
| - | | [Direct],Y | 1 | 00DDDD | base+operand | 3 | 000000 | base+pointer+Y | | + | | [Direct] | 1 | 00DDDD | base+operand | 3 | | pointer | |
| + | | [Direct],Y | 1 | 00DDDD | base+operand | 3 | | pointer+Y | | ||
| + | ^ Memory Move {MVN, MVP} ^^^ | ||
| + | ^ Mode ^ Operand Size ^ Notes ^ | ||
| + | | Src {II}, Dest {JJ} | 2 * 1 | Effective addresses for the move are II0000+X and JJ0000+Y, \\ wrapped at the bank boundary. | | ||