*******************************************************************************
* memory.device.I  Written by Readysoft.
* Copyright 1992,1993,1994 RS.  All rights reserved.  1992.02.25.-1994.05.18.
* v1.6.
*******************************************************************************

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

;------------------------------------------------------------------------------
; MemoryName Macro
;------------------------------------------------------------------------------
MEM.NAM		MACRO
		DC.B	'memory.device',0
		EVEN
		ENDM

*******************************************************************************
* Constant Definitions
*******************************************************************************

;------------------------------------------------------------------------------
; MemHeader Structure
;------------------------------------------------------------------------------
		RSRESET
mem_mh_Next	RS.L	1				ptr to next header
mem_mh_Type	RS.L	1				memory type
mem_mh_Lower	RS.L	1				lower address
mem_mh_Upper	RS.L	1				upper address
mem_mh_Free	RS.L	1				free bytes
mem_mh_FirstBlk	RS.L	1				ptr to first MemBlock
mem_mh_SizeOf	RS.B	0

;------------------------------------------------------------------------------
; MemBlock Structure
;------------------------------------------------------------------------------
		RSRESET
mem_mb_Next	RS.L	1				ptr to next block
mem_mb_Bytes	RS.L	1				bytesize of block
mem_mb_SizeOf	RS.B	0

;------------------------------------------------------------------------------
; mh.Type Bit Definitions
;------------------------------------------------------------------------------
mem_ty_b_Chip	EQU	0
mem_ty_b_Fast	EQU	1
mem_ty_b_Clear	EQU	16

;------------------------------------------------------------------------------
; mh.Type Values
;------------------------------------------------------------------------------
mem_ty_Chip	EQU	1<<mem_ty_b_Chip
mem_ty_Fast	EQU	1<<mem_ty_b_Fast
mem_ty_Public	EQU	mem_ty_Chip+mem_ty_Fast
mem_ty_Clear	EQU	1<<mem_ty_b_Clear
mem_ty_ChipC	EQU	mem_ty_Chip+mem_ty_Clear
mem_ty_FastC	EQU	mem_ty_Fast+mem_ty_Clear
mem_ty_PublicC	EQU	mem_ty_Public+mem_ty_Clear

;------------------------------------------------------------------------------
; Error Codes
;------------------------------------------------------------------------------
mem_er_OK	EQU	$00000000			all right
mem_er_NoChip	EQU	$80030001			chipmem less than 256K
mem_er_Free	EQU	$80030002			deallocate free block
mem_er_UnDef	EQU	$8003ffff			undefined error

*******************************************************************************
* Varibles
*******************************************************************************
		RSRESET
mem_FirstHeader	RS.L	1				ptr to first MemHeader
mem_SizeOf	RS.B	0

*******************************************************************************
* Routine Offsets
*******************************************************************************
		RSRESET
		RS.B	-6
mem_Init	RS.B	-6
mem_AllocAbs	RS.B	-6
mem_AllocMem	RS.B	-6
mem_FreeMem	RS.B	-6
mem_ClearMem	RS.B	-6