Initial commit.

atari/hardeq.src

@@ -0,0 +1,105 @@
+	PAGE
+	SBTTL "--- HARDWARE EQUATES: ATARI ---"
+
+	; ----------------
+	; ATARI MEMORY MAP
+	; ----------------
+
+IOBUFF	EQU	$0400		; DISK I/O BUFFER
+BUFTOP	EQU	$0480		; TOP HALF OF I/O BUFFER
+ZSTAKL	EQU	$0500		; Z-STACK LSBS
+ZSTAKH	EQU	$0600		; Z-STACK MSBS
+PTABL	EQU	$0700		; PAGING TABLE LSBS
+PTABH	EQU	$0800		; PAGING TABLE MSBS
+LRUMAP	EQU	$0900		; TIMESTAMP MAP
+LOCALS	EQU	$0A00		; LOCAL VARIABLE STORAGE (30 BYTES)
+BUFSAV	EQU	$0A20		; AUXILIARY INPUT BUFFER (80 BYTES)
+LBUFF	EQU	$0A80		; MAIN INPUT BUFFER (80 BYTES)
+
+PLMRAM	EQU	$0800		; START OF PLAYER/MISSILE RAM
+MISSL	EQU	$0B00		; START OF MISSILE RAM (CURSOR)
+
+ZIP	EQU	$0C00		; START OF ZIP CODE
+ZBEGIN	EQU	$2600		; START OF Z-CODE (ASSUME 6.5K ZIP)
+
+OLDLST	EQU	$BC20		; CIO DEFAULT DL ADDR
+SCREEN	EQU	$BC40		; START OF SCREEN RAM
+
+	; ---------
+	; CONSTANTS
+	; ---------
+
+XSIZE	EQU	39		; WIDTH OF SCREEN IN CHARACTERS (-1)
+YSIZE	EQU	23		; HEIGHT OF SCREEN IN LINES (-1)
+
+EOL	EQU	$9B		; EOL CHAR
+SPACE	EQU	$20		; SPACE CHAR
+BACKSP	EQU	126		; BACKSPACE
+
+	; ---------
+	; ZER0-PAGE
+	; ---------
+
+BOOT	EQU	$09		; BOOT FLAG
+DOSVEC	EQU	$0A		; DOS START VECTOR
+POKMSK	EQU	$10		; FOR BREAK KEY DISABLE
+RTCLOK	EQU	$14		; JIFFY CLOCK
+LMARGN	EQU	$52		; LEFT MARGIN
+ROWCRS	EQU	$54		; OS CURSOR ROW
+COLCRS	EQU	$55		; OS CURSOR COLUMN
+
+	; ---------
+	; PAGES 2-3
+	; ---------
+
+SDMCTL	EQU	$022F		; DMA CONTROL
+SDLSTL	EQU	$0230		; DISPLAY LIST ADDRESS
+COLDST	EQU	$0244		; COLDSTART FLAG
+GPRIOR	EQU	$026F		; GRAPHICS PRIORITY
+LOGMAP	EQU	$02B2		; LOGICAL LINE MAP (3 BYTES)
+INVFLG	EQU	$02B6		; INVERSE TEXT FLAG
+COLOR1	EQU	$02C5		; TEXT COLOR
+COLOR4	EQU	$02C8		; BORDER COLOR
+CRSINH	EQU	$02F0		; OS CURSOR INHIBIT
+CH	EQU	$02FC		; KEYBOARD READ FLAG
+DUNIT	EQU	$0301		; DRIVE #
+DCOMND	EQU	$0302		; DISK COMMAND
+DSTATS	EQU	$0303		; DISK I/O STATUS
+DBUFLO	EQU	$0304		; DISK BUFFER ADDR (LSB)
+DBUFHI	EQU	$0305		; DISK BUFFER ADDR (MSB)
+DAUX1	EQU	$030A		; SECTOR ADDR (LSB)
+DAUX2	EQU	$030B		; SECTOR ADDR (MSB)
+ICCOM	EQU	$0342		; IOCB #0 COMMAND
+ICBADR	EQU	$0344		; IOCB #0 BUFFER ADDR
+ICBLEN	EQU	$0348		; IOCB #0 LENGTH
+ICAUX1	EQU	$034A		; IOCB #0 AUX BYTE #1
+ICAUX2	EQU	$034B		; IOCB #0 AUX BYTE #2
+
+	; ------------------
+	; GTIA, POKEY, ANTIC
+	; ------------------
+
+HPOSP0	EQU	$D000		; PLAYER #0 H-POS
+HPOSM0	EQU	$D004		; MISSILE #0 H-POS
+SIZEM	EQU	$D00C		; MISSILE SIZES
+GRACTL	EQU	$D01D		; P/M GRAPHICS CONTROL
+CONSOL	EQU	$D01F		; CONSOLE KEY REGISTER
+AUDF1	EQU	$D200		; AUDIO CH1 FREQ
+AUDC1	EQU	$D201		; AUDIO CH1 CTRL
+AUDCTL	EQU	$D208		; AUDIO CONTROL
+MRAND	EQU	$D20A		; RANDOM BYTE
+IRQEN	EQU	$D20E		; IRQ ENABLE
+SKCTL	EQU	$D20F		; SERIAL PORT CONTROL
+PORTB	EQU	$D301		; PORT B (XL ROM SWITCH)
+DMACTL	EQU	$D400		; DMA CONTROL
+PMBASE	EQU	$D407		; PMG RAM BASE ADDR
+
+	; ------
+	; OS ROM
+	; ------
+
+DSKINV	EQU	$E453		; SIO DISK ACCESS
+CIOV	EQU	$E456		; CIO VECTOR
+
+	END
+