**************************
* Constants for Atari ST *
**************************
* this source code (C) Copyright HiSoft 1985
*
* File with equates and macros for GEMDOS/TOS calls
*
* For use in conjunction with the following documentation:
*	GEMDOS Spec			DR
*	CPM 68K Manual			DR
*	A Hitchhikers Guide to the BIOS	Atari
*
* this file is based on version 13 of GEMDOS spec,
* and Sept 85 version of Hitchhikers.
*
* last changed: 20.1.87

* equates for BDOS calls (ie Trap #1)

P_TERM0		EQU 0		(should use $4C really)
C_CONIN		EQU 1
C_CONOUT	EQU 2
C_AUXIN		EQU 3
C_AUXOUT	EQU 4
C_PRNOUT	EQU 5
C_RAWIO		EQU 6
C_RAWCIN	EQU 7
C_NECIN		EQU 8
C_CONWS		EQU 9
C_CONRS		EQU $0A
C_CONIS		EQU $0B
D_SETDRV	EQU $0E
C_CONOS		EQU $10
C_PRNOS		EQU $11
C_AUXIS		EQU $12
C_AUXOS		EQU $13
D_GETDRV	EQU $19
F_SETDTA	EQU $1A
_SUPER		EQU $20
T_GETDATE	EQU $2A
T_SETDATE	EQU $2B
T_GETTIME	EQU $2C
T_SETTIME	EQU $2D
F_GETDTA	EQU $2F
S_VERSION	EQU $30
P_TERMRES	EQU $31
D_FREE		EQU $36
D_CREATE	EQU $39
D_DELETE	EQU $3A
D_SETPATH	EQU $3B
F_CREATE	EQU $3C
F_OPEN		EQU $3D
F_CLOSE		EQU $3E
F_READ		EQU $3F
F_WRITE		EQU $40
F_DELETE	EQU $41
F_SEEK		EQU $42
F_ATTRIB	EQU $43
F_DUP		EQU $45
F_FORCE		EQU $46
D_GETPATH	EQU $47
M_ALLOC		EQU $48
M_FREE		EQU $49
M_SHRINK	EQU $4A
P_EXEC		EQU $4B
P_TERM		EQU $4C
F_SFIRST	EQU $4E
F_SNEXT		EQU $4F
F_RENAME	EQU $56
F_DATIME	EQU $57

* Base Page Offsets
P_LOWTPA	EQU 0
P_HITPA		EQU 4
P_TBASE		EQU 8
P_TLEN		EQU $0C
P_DBASE		EQU $10
P_DLEN		EQU $14
P_BBASE		EQU $18
P_BLEN		EQU $1C
P_ENV		EQU $2C
P_CMDLIN	EQU $80

* Error codes
E_OK		EQU 0
ERROR		EQU -1
EDRVNR		EQU -2
EUNCMD		EQU -3
E_CRC		EQU -4
EBADRQ		EQU -5
E_SEEK		EQU -6
EMEDIA		EQU -7
ESECNF		EQU -8
EPAPER		EQU -9
EWRITF		EQU -10
EREADF		EQU -11
EGENRL		EQU -12
EWRPRO		EQU -13
E_CHNG		EQU -14
EUNDEV		EQU -15
EBADSF		EQU -16
EOTHER		EQU -17

EINVFN		EQU -32
EFILNF		EQU -33
EPTHNF		EQU -34
ENHNDL		EQU -35
EACCDN		EQU -36
EIHNDL		EQU -37
ENSMEM		EQU -39
EIMBA		EQU -40
EDRIVE		EQU -46
ENMFIL		EQU -49
ERANGE		EQU -64
EINTRN		EQU -65
EPLFMT		EQU -66
EGSBF		EQU -67

* BIOS calls (Trap #13) - Atari names are lower case
getmpb		equ 0
bconstat	equ 1
bconin		equ 2
bconout		equ 3
rwabs		equ 4
setexc		equ 5
tickcal		equ 6
getbpb		equ 7
bcostat		equ 8
mediach		equ 9
drvmap		equ 10
kbshift		equ 11

* Extended BIOS calls (Trap #14)
initmous	equ 0
ssbrk		equ 1
_physbase	equ 2
_logbase	equ 3
_getRez		equ 4
_setScreen	equ 5
_setPallete	equ 6
_setColor	equ 7
_floprd		equ 8
_flopwr		equ 9
_flopfmt	equ 10
midiws		equ 12
_mfprint	equ 13
iorec		equ 14
rsconf		equ 15
keytbl		equ 16
_random		equ 17
_protobt	equ 18
_flopver	equ 19
scrdmp		equ 20
cursconf	equ 21
settime		equ 22
gettime		equ 23
bioskeys	equ 24
ikbdws		equ 25
jdisint		equ 26
jenabint	equ 27
giaccess	equ 28
offgibit	equ 29
ongibit		equ 30
xbtimer		equ 31
dosound		equ 32
setprt		equ 33
kbdvbase	equ 34
kbrate		equ 35
_prtblk		equ 36
vsync		equ 37
supexec		equ 38
puntaes		equ 39
blitmode	equ 64

* System Variables
proc_lives	equ $380
proc_dregs	equ $384
proc_aregs	equ $3a4
proc_enum	equ $3c4
proc_usp	equ $3c8
proc_stk	equ $3cc
etv_timer	equ $400
etv_critic	equ $404
etv_term	equ $408
etv_xtra	equ $40c
memvalid	equ $420
memcntlr	equ $424
resvalid	equ $426
resvector	equ $42a
phystop		equ $42e
_membot		equ $432
_memtop		equ $436
memval2		equ $43a
flock		equ $43e
seekrate	equ $440
_timr_ms	equ $442
_fverify	equ $444
_bootdev	equ $446
palmode		equ $448
defshiftmd	equ $44a
sshiftmd	equ $44c
_v_bas_ad	equ $44e
vblsem		equ $452
nvbls		equ $454
_vblqueue	equ $456
colorptr	equ $45a
screenpt	equ $45e
_vbclock	equ $462
_frclock	equ $466
hdv_init	equ $46a
swv_vec		equ $46e
hdv_bpb		equ $472
hdv_rw		equ $476
hdv_boot	equ $47a
hdv_mediach	equ $47e
_cmdload	equ $482
conterm		equ $484
themd		equ $48e
savptr		equ $4a2
_nflops		equ $4a6
sav_context	equ $4ae
_bufl		equ $4b2
_hz_200		equ $4ba
the_env		equ $4be
_drvbits	equ $4c2
_dskbufp	equ $4c6
_prt_cnt	equ $4ee
_sysbase	equ $4f2
_shell_p	equ $4f6
end_os		equ $4fa
exec_os		equ $4fe

**********
* Macros *
**********

* call the BDOS - requires 1 parameter:
* the function number
call_bdos	macro
		move.w #\1,-(sp)
		trap #1
		endm

* call the BIOS - requires 1 parameter:
* the function number
call_bios	macro
		move.w #\1,-(sp)
		trap #13
		endm

* call the extended BIOS - requires 1 parameter:
* the function number
call_ebios	macro
		move.w #\1,-(sp)
		trap #14
		endm

*** End of GEMDOS file ***