+ switch (cdr.DriveState) {
+ case DRIVESTATE_PREPARE_CD:
+ if (Cmd > 2) {
+ // Syphon filter 2 expects commands to work shortly after it sees
+ // STATUS_ROTATING, so give up trying to emulate the startup seq
+ cdr.DriveState = DRIVESTATE_STANDBY;
+ cdr.StatP &= ~STATUS_SEEK;
+ psxRegs.interrupt &= ~(1 << PSXINT_CDRLID);
+ break;
+ }
+ // fallthrough
+ case DRIVESTATE_LID_OPEN:
+ case DRIVESTATE_RESCAN_CD:
+ // no disk or busy with the initial scan, allowed cmds are limited
+ not_ready = CMD_WHILE_NOT_READY;
+ break;
+ }
+
+ switch (Cmd | not_ready) {