/* reduce loop that waits for disk stepper to move */
if (m68k_read_memory_32(0x55398) != 0x0000091b) {
/* reduce loop that waits for disk stepper to move */
if (m68k_read_memory_32(0x55398) != 0x0000091b) {
exit(0);
}
m68k_write_memory_32(0x55398, 1);
/* reduce loop that waits for disk side change */
if (m68k_read_memory_32(0x54ffc) != 0x00000d02) {
exit(0);
}
m68k_write_memory_32(0x55398, 1);
/* reduce loop that waits for disk side change */
if (m68k_read_memory_32(0x54ffc) != 0x00000d02) {