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CHANGES.TXT
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1990-05-03
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Changes for versions 2.xx Instant Graphics!
--------------------------------------------------------------------------
Date of release: 10-15-1989 by Larry Mears
IGS210.EMU:
o Insert key now IG graphics on/off toggle.
o Clr Home key now resets original startup color and
VDI attributes.
IG210.ACC & IGS210.EMU:
o IG's I command expanded and R command altered, see
IG210.TXT.
IG210.ACC:
o "b" sound command added.
o Auto SetScreen removed, should work with FLASH now as long as
a resolution switch from MEDIUM to LOW is not performed.
--------------------------------------------------------------------------
Date of release:10-26-89 by Larry Mears
Shareware beginning with versions 2.11
IGS211.EMU:
o New graphics scaling command added, "g" see IGxxx.TXT.
o Crash at Masterlink exit bug fixed.
o ATASII translation removed.
o "Clr Home" key now resets video from inverse to normal
and the background and text for VT 52 to the proper
registers.
o New key command added, SHIFT+Control R is a toggle for
locking out the resolution command. The Interlink fail
sound signifys that the lock is in place. Default at
startup is lockout off.
IG211.ACC:
o New graphics scaling command added, "g" see IGxxx.TXT.
o "Clr Home" key now resets video from inverse to normal
and the background and text for VT 52 to the proper
registers.
o New key command added, F5 is a toggle for
locking out the resolution command. The bell signifys
that the lock is in place, likewise no bell no lock.
Default at startup is lockout off.
o Cursor is set to bottom right of screen when exiting
back into the Flash terminal screen.
-------------------------------------------------------------------------------
date of release: 11-16-89 by Larry Mears
IG212.ACC and IGS212.EMU
o New command "G" grab a piece of the screen.
This command needed a 32K buffer so if you are running
a 512K ST and Interlink select STARTUP PARAMETERS from
Interlink's drop down menus and set the capture buffer
to 42K and RS232 buffer to 8K, SAVE them exit Interlink
then rerun Interlink to activate the new buffer sizes.
You may have to make the buffers smaller I'm only
estimating, I have 1024K in my ST.
Also drop all desk ACCs and extra AUTO folder programs
that eat RAM.
Bit-Blits from screen to screen
screen to memory
memory to screen
see IGxxx.txt for details.
o New command "?" asks the IG terminal questions about
itself and IG transmits the answer back to the
BBS ( host system ). Questions about where the mouse is
and cursor are can be asked allowing BBS programs and Doors
games to be written that can have a point and click operation
mode!!!!
Questions it can be asked are:
0 = What version are you?
1,0 = Where is your text cursor, and button state?
1,1 = User moves cursor with mouse and IG tansmits where
the user placed it after he presses a mouse button,
mouse button state is also transmitted.
2,0 = Where is the mouse and check its buttons.
2,1 = User moves polymarker pointer with mouse IG tansmits
where the user placed it after he presses a mouse
button, mouse button state is also transmitted.
3 = What graphics mode is the IG terminal running in?
See IGxxx.TXT for more Details.
-------------------------------------------------------------------------------
date of release: 3-17-90
Time involved for release IG213 = 7 weeks of my spare time.
o Execute Graphics From File - load additional buffer
logic changed slightly hope I squashed the bug reported
by Ron Rabaut.
o X command set color register value limit of 1911 removed,
value up to 9999 can now be passed. May be useful
for STE.
o XON XOFF flow control for the t and F command improved.
o W commands get text routine ignores CR LF characters
so text for that command can be split on multiple
lines. If W is passed a null string the string becomes
the @ character.
ie G#W 10,40,@
o _ underscore value continuation added for spliting
constants for commands on multiple lines like so: L 0,_
10,0,10: Underscore has to be in 1st digit place.
o MIDI support added and Music Studio files to IG format
program included in IG213.ARC. ( Now available as MS2IG.ARC )
o F4 midi playback on/off toggle added for ACC version,
it's CONTROL + SHIFT + m for the EMU version. User sets
this if he doesn't have MIDI. MIDI data will still be
loaded in from BBS but when it starts to play it will just
skip it. Control+c or Control+x can be issued during MIDI
buffer load (zeros buffer) and while MIDI is
playing (doesn't zero MIDI buffer).
o Plus key " + " MIDI sync adjust. If a "little" line noise
creeps into the MIDI buffer at load time DATA bytes and
DELAY bytes can get in reverse order garbling the music,
the plus key + will add 1 to the loop that is stepping
through the midi buffer in a attempt to recover. If all
fails control+c or control+x it.
o N commands added for MIDI, load only, load and execute,
execute only. MIDI buffer is 9999 bytes. this command may
be expanded later for other neat stuff.
o Walter Holding's MSPLYR6 program modified to turn
Music Studio Files to IG files.
o "&" new loop power tool command added. Will step
parameters in one command FROM TO STEP DELAY or exectue
a command X number of times. Values can step be stepped in
opposite directions at the same time, x for forward, y for
reverse. Can act like BASIC's READ DATA command with up to
2048 data elements, could have allowed for more but it
required 2K for every 1024 elements. Special options for
the W command (to get text or not to get text) and
G command (XOR stepping) for moving parts of the screen
without messing the background up. It's flashy
but I couldn't swap screens for messing up FLASH's status
line.
o New X 2 command added for setting a range for the
NEW r option used as a parameter value instead of a
constant returns a RANDOM number in the range set by the
X command. Like L 0,r,639,r: <- draw a line
at X coordinates of 0 and 639 with random Y coordinates.
Random numbers between 0 and 255 will be generated a lot
faster than random numbers between 256 and 9999.