; fdc.inc
;
; Robert Östling, 2002-03-13

%ifndef _fdc_asm

extern	fdc_init
extern	fdc_timer
extern	fdc_send_byte
extern	fdc_read_byte
extern	fdc_motor_on
extern	fdc_motor_off
extern	fdc_reset
extern	fdc_wait
extern	fdc_seek
extern	fdc_recalibrate
extern	fdc_read_write

%endif

%define fdc_dor		0x3f2	; Digital output register
%define fdc_msr		0x3f4	; Main status register (in)
%define fdc_drs		0x3f4	; Data rate select register (out)
%define fdc_data	0x3f5	; Data register
%define fdc_dir		0x3f7	; Digital input register (in)
%define fdc_ccr		0x3f7	; Configuration control register (out)

%define	cmd_specify	0x03
%define	cmd_write	0xc5
%define	cmd_read	0xe6
%define	cmd_recal	0x07
%define	cmd_sensei	0x08
%define	cmd_format	0x4d
%define	cmd_seek	0x0f
%define	cmd_version	0x10