STTL	"--- ProDOS EQUATES ---"
	PAGE 

;
; some parameter structures
;
OPEN_PARM	EQU	0
OP_PCOUNT	EQU	OPEN_PARM	; must be 3 for open
OP_PATHNAME	EQU	OP_PCOUNT+1	; address of pathname
OP_FILEBUFF	EQU	OP_PATHNAME+2	; address of file data buffer
OP_REFNUM	EQU	OP_FILEBUFF+2	; file reference number
OPEN_PSIZE	EQU	OP_REFNUM+1	; size of parameter buffer

READ_PARM	EQU	0		; to read things
RD_PCOUNT	EQU	READ_PARM	; param count (=4)
RD_REFNUM	EQU	RD_PCOUNT+1	; ref num of file
RD_BUFFER	EQU	RD_REFNUM+1	; where to
RD_BUFFLEN	EQU	RD_BUFFER+2	; length of buffer
RD_LENGTH	EQU	RD_BUFFLEN+2	; actual length of read
READ_PSIZE	EQU	RD_LENGTH+2	; length of parm block

CLOSE_PARM	EQU	0		; for closing file
CL_PCOUNT	EQU	CLOSE_PARM	; paramter count (=1)
CL_REFNUM	EQU	CL_PCOUNT+1	; refnum of file to be closed
CLOSE_PSIZE	EQU	CL_REFNUM+1	; this is the size, thank you

WRITE_PARM	EQU	0		; to write things
WR_PCOUNT	EQU	WRITE_PARM	; parm count (= 4)
WR_REFNUM	EQU	WR_PCOUNT+1	; file refnum
WR_BUFFER	EQU	WR_REFNUM+1	; data buffer address
WR_BUFFLEN	EQU	WR_BUFFER+2	; data buffer length
WR_LENGTH	EQU	WR_BUFFLEN+2	; actual length written
WRITE_PSIZE	EQU	WR_LENGTH+2	; length of parm block

SETMARK_PARM	EQU	0
SM_PCOUNT	EQU	SETMARK_PARM	; parm count (=2)
SM_REFNUM	EQU	SM_PCOUNT+1	; file refnum
SM_FPOS		EQU	SM_REFNUM+1	; 3 byte file pos 
SETMARK_PSIZE	EQU	SM_FPOS+3	; length of parm block

SETPREFIX_PARM	EQU	0	
SP_PCOUNT	EQU	SETPREFIX_PARM	; parm count (=1)
SP_PATHNAME	EQU	SP_PCOUNT+1	; pointer to path name
SETPREFIX_PSIZE	EQU	SP_PATHNAME+2	; length of block

SETEOF_PARM     EQU     0
SE_PCOUNT       EQU     SETEOF_PARM     ; parm count (=2)
SE_REFNUM       EQU     SE_PCOUNT+1     ; reference number
SE_NEWEOF       EQU     SE_REFNUM+1     ; new EOF position
SETEOF_PSIZE    EQU     SE_NEWEOF+3     ; length of parm block

	END