Lines Matching refs:_inst
272 * Extract instruction byte from 16-bit fetch (_inst is a u2).
274 #define INST_INST(_inst) ((_inst) & 0xff)
279 #define INST_REPLACE_OP(_inst, _opcode) (((_inst) & 0xff00) | _opcode)
282 * Extract the "vA, vB" 4-bit registers from the instruction word (_inst is u2).
284 #define INST_A(_inst) (((_inst) >> 8) & 0x0f)
285 #define INST_B(_inst) ((_inst) >> 12)
289 * (_inst is u2)
291 #define INST_AA(_inst) ((_inst) >> 8)