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Doc updates
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David Schmidt
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@ -435,7 +435,7 @@ mode (F7). GSport may not be able to keep up with some programs running
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at 2.8MHz due to video and sound overheads on lower-end machines. If
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that happens, it effectively runs slower by extending the emulated
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"second", like in the 1MHz mode. You can tell this is happening
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when Eff MHz in the status area falls below 2.5MHz. If GSport is running
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when Eff MHz in the status area falls below 2.8MHz. If GSport is running
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faster than 2.8MHz, it takes small pauses to slow down, just like in
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1MHz. Many Apple IIgs demos must be run at 2.8MHz. The built-in
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selftests (cmd-option-ctrl-Reset) must run at 2.8MHz. Many Apple IIgs
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@ -464,128 +464,9 @@ data every 1.4 seconds--the sound breaks up!
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(trying to approximate the slowdown causes by memory refresh on a real
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Apple IIgs). It's just easier to say 1MHz and 2.8MHz.
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* GSport SAMPLE_DISK
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I'm providing a sample disk of freely available utilities/programs to
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demonstrate a little of what GSport can do. I'm also including my simple
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changes to a benchmark called "SPEEDTEST" to make it run under ProDOS and
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time itself automatically. The SAMPLE_DISK is not bootable since I'm
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not sure if I can distribute PRODOS (the OS).
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SPEEDTEST:
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---------
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In the folder "SPEEDTEST", there are two BASIC programs. OLD.SPEEDTEST
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is the old, unmodified DOS 3.3 emulator benchmark by Clayten Hamacher.
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It does not run properly under ProDOS 8. My modified version is
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SPEED.PRO, meaning converted to ProDOS. I made few modifications, other
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than to make the benchmarks time themselves.
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To run, just say "RUN SPEED.PRO". To run benchmarks, press "B". If
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you say "A)ll tests", make sure you have a 5.25" disk image in s6d1!
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(A blank 140K image will work fine).
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This modified SPEED.PRO can run on ANY Apple IIgs emulator (or on the real
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thing).
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GSOS7, GSOS5, BYE.SYSTEM:
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------------------------
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These are handy utilities I use on my s7d1 boot disk. Get a GS/OS 6.x
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bootable disk image. (See GSOS.INFO file for how to get GS/OS).
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Remove "PRODOS" from that disk's root directory, and copy GSOS7 to
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the root directory. Then copy SYSTEM/P8 to PRODOS. Then move
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BASIC.System into SYSTEM/. Then copy BYE.SYSTEM to the root directory,
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then move BASIC.SYSTEM back to the root directory.
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What all this means is that now the root directory of your system disk
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is: GSOS7, (other stuff), PRODOS, BYE.SYSTEM, and BASIC.SYSTEM.
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When you boot, ProDOS will boot (this is PRODOS 8) and will search
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for the first *.SYSTEM file, and run it. BYE.SYSTEM just does a BYE
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command, which puts you in the PRODOS 8 textual launcher.
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If you now select GSOS7 (the first entry, already highlighted, just
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hit return), it will boot GSOS on slot 7. (Use GSOS5 to boot slot5).
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Or, just move down and select BASIC.SYSTEM to go to BASIC. A very simple
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program launcher!?
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Note that I didn't write GSOS5 or GSOS7--I just made a one byte hack
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to the default GS/OS launcher. No real wizardry is going on here.
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SHRINKIT3.4, GSHK1.1:
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--------------------
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Useful for unpacking .SHK files you can download off of the net.
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Always use GSHK (GS/OS version of ShrinkIt) for GS programs since
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they may have resource forks. It's also faster. GSHK must be run from GS/OS.
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LISTV2.0:
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--------
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ProDOS 8 text file lister, useful for viewing text files.
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Wolfenstein3D:
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------
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Wolfenstein 3D for the Apple IIgs. No kidding! Must be run from GS/OS.
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SOUND22:
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-------
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Cool little ProDOS 8 program (SOUND.EDITOR) that plays hi-fidelity
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(relatively) through the old Apple II speaker. This is included as a
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demonstration of how accurate GSport sound emulation is.
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Sound.Smith.95:
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--------------
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GS/OS application that plays SoundSmith songs, which are spreadsheet music,
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like MODs. I included some sample songs--FILE.11, FILE.16, FILE.17, and
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SPACE.HARRIER. Enjoy!
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SOLITAIRE:
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---------
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Klondike. I like the interface on this game.
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CAT.DOCTOR:
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----------
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From Prosel8 (which is now public domain), this utility is very handy for
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sorting directories (among other things). Useful for arranging GSOS7,
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and BYE.SYSTEM mentioned above.
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BGSOUND:
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-------
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This CDA lets you play Soundsmith songs in the background while other
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applications are running. Very handy for playing Solitaire with some music.
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DOCVu.CDA:
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---------
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This CDA shows the current DOC contents in real-time. It has neat visual
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effects while playing Soundsmith songs.
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Zippy.gs
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--------
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Very useful ProDOS 8 program by Andy McFadden for setting ZipGS parameters.
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In GSport, you'll want to use this to change the Zip speed to less than
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100% to make the "Unlimited" speed become limited to 7.5MHz, which is
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useful for some games.
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* GSport: What Works
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Basically, just about every Apple II program works. See the file
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README.a2.compatibility for directions on how to make certain games/programs
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work.
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GSport is EXTREMELY compatible. But, I haven't tested everything. Let
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me know if you find a program which is not working correctly.
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Basically, just about every Apple II program works.
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Some old Apple II 5.25" games require the old C600 ROM image, and don't work
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with the default Apple IIgs ROM. This is not GSport's fault--these games
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@ -605,8 +486,8 @@ the above lets it work fine. This seems to be a bug in the demo.
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* GSport bugs
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On a ROM03, GSport makes a patch to the ROM image (inside emulation, not
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to the Unix file) to fix a bug in the ROM code. Both ROM01 and ROM03
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are patched to enable use of more than 8MB of memory. I then patch the ROM
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to the ROM file) to fix a bug in the ROM code. Both ROM01 and ROM03
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are patched to enable use of more than 8MB of memory. It then patches the ROM
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self-tests to make the ROM checksum pass. But other programs, like
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the Apple IIgs Diagnostic Disk, will detect a ROM checksum mismatch.
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Don't worry about it.
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@ -625,7 +506,7 @@ speaker using $C030) and fairly accurate Ensoniq sound.
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5 seconds, it turns off the sound calculation routines for a small
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speedup. It describes that it has done this by saying "Pausing sound"
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in the debug window. However, when sound restarts, it sometimes
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"breaks-up" a little. I will work on fixes for this.
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"breaks-up" a little.
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If your display is not using shared memory, audio defaults to off unless
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you override it with "-audio 1".
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@ -664,8 +545,7 @@ start). GSport now has a socket port open, 6502 for slot 2, which you
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can connect to using any telnet program. In a Terminal window, then
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type "telnet 127.0.0.1 6502" and you will connect to GSport. The Virtual
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Modem then starts printing "RING" every 2 seconds until you answer with
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"ATA". You are now connected. I have not tried BBS programs, but have
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made connections with ProTERM.
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"ATA". You are now connected.
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On Windows XP SP2, when GSport tries to open this incoming socket, you'll
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need to enable it and click Unblock to the dialog that Windows pops up.
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@ -696,9 +576,8 @@ to the emulated IIgs. You may want to go to the F4 Config Panel and set
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* GSport status area
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The status area is updated once each second. It displays info I am
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(or was at some time) interested in seeing.
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The status area is updated once each second. It displays internal
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emulation information.
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---
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Line 1: (Emulation speed info)
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@ -711,7 +590,7 @@ Eff MHz: Above, but with overhead accounted for. Eff MHz is the
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sec: The number of real seconds that have passed during on of GSport's
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emulated seconds. Should be 1.00 +/- .01. Under 1
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means GSport is running a bit fast, over 1 means GSport is
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running slow. When you force speed to 2.5MHz, if GSport
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running slow. When you force speed to 2.8MHz, if GSport
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can't keep up, it extends sec, so you can see how slow
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it's really going here.
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vol: Apple IIgs main audio volume control, in hex, from 0-F.
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@ -791,10 +670,7 @@ to accurate disk emulation.
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* X Window (Linux) interface information
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Every version of Linux is different. Supporting this is very difficult
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especially since I do not run Linux myself.
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If GSport fails to start, try the following options:
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If GSport fails to start under Linux, first try the following options:
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---
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GSport -audio 0 -noshm
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@ -841,8 +717,7 @@ or you can type 'xset r' in another terminal window.
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Sometimes the converse is true--key repeat is "on" when the cursor is
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in the GSport window. Moving the cursor out of the window and then
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back in should solve it. This is sometimes noticeable when running
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Wolfenstein 3D GS. I haven't spent much time debugging the problem.
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I think it may be the X Server.
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Wolfenstein 3D GS.
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GSport uses a private color-map for its X-window in 8-bit mode. This
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may cause colormap "flash" when your cursor enters the window.
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