341 #define ST0		0  macro
1393 	if (reply_buffer[ST0] & ST0_ECE) {  in print_errors()
1414 			reply_buffer[ST0], reply_buffer[ST1],  in print_errors()
1439 	switch (reply_buffer[ST0] & ST0_INTR) {  in interpret_errors()
1544 	if (inr != 2 || (reply_buffer[ST0] & 0xF8) != 0x20) {  in seek_interrupt()
1658 	else if (reply_buffer[ST0] & ST0_ECE) {  in recal_interrupt()
1758 		} while ((reply_buffer[ST0] & 0x83) != UNIT(current_drive) &&  in floppy_interrupt()
4248 	if ((r == 1) && (reply_buffer[ST0] == 0x80)) {  in get_fdc_version()
4273 	if ((r == 1) && (reply_buffer[ST0] == 0x80)) {  in get_fdc_version()
4278 	if ((r != 1) || (reply_buffer[ST0] != 0x00)) {  in get_fdc_version()
4290 	if (reply_buffer[ST0] == 0x80) {  in get_fdc_version()
4294 	switch (reply_buffer[ST0] >> 5) {  in get_fdc_version()
4310 			fdc, reply_buffer[ST0] >> 5);  in get_fdc_version()