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# This file contains the hardware definitions for the iis model 70/f
# at Kitt Peak.
# Define header
define LEN_IISHDR 8 # Length of IIS header
define XFERID $1[1] # transfer id
define THINGCT $1[2] # thing count
define SUBUNIT $1[3] # subuint select
define CHECKSUM $1[4] # check sum
define XREG $1[5] # x register
define YREG $1[6] # y register
define ZREG $1[7] # z register
define TREG $1[8] # t register
# Transfer ID definitions
define IREAD 100000B
define IWRITE 0B
define PACKED 40000B
define BYPASSIFM 20000B
define BYTE 10000B
define ADDWRITE 4000B
define ACCUM 2000B
define BLOCKXFER 1000B
define VRETRACE 400B
define MUX32 200B
# Subunits
define REFRESH 1
define LUT 2
define OFM 3
define IFM 4
define FEEDBACK 5
define SCROLL 6
define VIDEOM 7
define SUMPROC 8
define GRAPHICS 9
define CURSOR 10
define ALU 11
define ZOOM 12
define IPB 15
# Command definitions
define COMMAND 100000B
define ADVXONTC 100000B # Advance x on thing count
define ADVXONYOV 40000B # Advance x on y overflow
define ADVYONXOV 100000B # Advance y on x overflow
define ADVYONTC 40000B # Advance y on thing count
define ERASE 100000B # Erase
# 4 - Button Trackball
define PUSH 40000B
define BUTTONA 400B
define BUTTONB 1000B
define BUTTONC 2000B
define BUTTOND 4000B
# Display channels
define CHAN1 1B
define CHAN2 2B
define CHAN3 4B
define CHAN4 10B
define ALLCHAN 17B
define GRCHAN 100000B
define GRCHNUM 16
define LEN_IISFRAMES 4
define IISFRAMES CHAN1, CHAN2, CHAN3, CHAN4
# Center coordinates for zoom/scroll
define IIS_XCEN 256
define IIS_YCEN 255
# Inverted Y center is just IIS_YDIM - IIS_YCEN
define IIS_YCEN_INV 256
# Colors
# these are bit plane mappings
define BLUE 1B
define GREEN 2B
define RED 4B
define MONO 7B
# next colors used by snap code ... used as array indexes.
define BLU 1
define GR 2
define RD 3
# Bit plane selections
define BITPL0 1B
define BITPL1 2B
define BITPL2 4B
define BITPL3 10B
define BITPL4 20B
define BITPL5 40B
define BITPL6 100B
define BITPL7 200B
define ALLBITPL 377B
# IIS Sizes
define IIS_XDIM 512
define IIS_YDIM 512
define MCXSCALE 64 # Metacode x scale
define MCYSCALE 64 # Metacode y scale
define SZB_IISHDR 16 # Size of IIS header in bytes
define LEN_ZOOM 3 # Zoom parameters
define LEN_CURSOR 3 # Cursor parameters
define LEN_SELECT 12 # frame select
define LEN_LUT 256 # Look up table
define LEN_OFM 1024 # Output function look up table
define LEN_IFM 8192 # Input function look up table
define LEN_VIDEOM 2048 # videometer output memory
define LEN_GRAM 256 # graphics ram
define MAXX 512 # maximum x register + 1
# IIS Status Words
define IIS_FILSIZE (IIS_XDIM * IIS_YDIM * SZB_CHAR)
define IIS_BLKSIZE 1
define IIS_OPTBUFSIZE 32768
define IIS_MAXBUFSIZE 32768
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