reg_use           406 src/dps8/dps8.h     enum reg_use reg_use;  // register usage
reg_use          4229 src/dps8/dps8_cpu.c          (word10) ~opcodes10 [cpu.ou.RS].reg_use);)
reg_use          2311 src/dps8/dps8_ins.c       if (opcodes10[opcode10].reg_use & is_OU) {
reg_use          2317 src/dps8/dps8_ins.c         cpu.ou.opsz      = (opcodes10[i->opcode10].reg_use >> 12) & 037;
reg_use          2318 src/dps8/dps8_ins.c         word10 reguse    = (opcodes10[i->opcode10].reg_use) & MASK10;
reg_use          2332 src/dps8/dps8_ins.c       if (opcodes10[opcode10].reg_use & is_DU) {