129 lines
2.8 KiB
Plaintext
129 lines
2.8 KiB
Plaintext
.TH NINTENDO 1
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.SH NAME
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gb, gba, nes, snes \- emulators
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.SH SYNOPSIS
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.B games/gb
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[
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.B -23a
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]
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.I romfile
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.br
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.B games/gba
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[
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.B -23aT
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] [
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.B -b
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.I biosfile
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] [
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.B -s
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.I savetype
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]
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.I romfile
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.br
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.B games/nes
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[
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.B -23aos
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]
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.I romfile
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.br
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.B games/snes
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[
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.B -23ahmsT
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]
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.I romfile
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.SH DESCRIPTION
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.I Gb,
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.I gba,
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.I nes
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and
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.I snes
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are emulators for the Nintendo Game Boy (GB), Nintendo Game Boy Advance (GBA), Nintendo Entertainment System (NES) and Super Nintendo Entertainment System (SNES).
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They execute the romfile given as an argument.
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The \fBz\fR, \fBx\fR, \fBa\fR, \fBs\fR, return and shift keys correspond to B, A, Y, X, Start and Select, respectively.
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Other keys:
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.TP
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F5
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Save the current state in \fBgb.save\fR / \fBgba.save\fR / \fBnes.save\fR / \fBsnes.save\fR.
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.TP
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F6
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Load the current state from \fBgb.save\fR / \fBgba.save\fR / \fBnes.save\fR / \fBsnes.save\fR.
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.TP
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Esc
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Pause the emulator.
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.TP
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Del
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Exit the emulator.
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.PP
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Command line options:
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.TP
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.B -2 -3
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Scale the screen by the given factor.
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.TP
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.B -a
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Enable audio output.
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.PP
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.B gba
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options:
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.TP
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.B -b
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Location of the GBA BIOS file (required to operate the emulator). Default is \fB/sys/games/lib/gbabios.bin\fR.
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.TP
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.B -s
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Save format used by the original game. Valid formats are: eeprom4, eeprom64, sram256, flash512, flash1024. The number corresponds to the size, in kilobits, of the save file. By default, the emulator attempts to automatically detect the save format, but does not always succeed.
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.TP
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.B -T
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Display percentage of how fast the system is running relative to a real GBA.
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.PP
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.B nes
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options:
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.TP
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.B -o
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Hide the top and bottom eight pixels (overscan area), like a real television would.
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.TP
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.B -s
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Save contents of battery backed SRAM (used by some games for savegames) as a file (\fIgb\fR and \fIsnes\fR automatically detect if this is needed).
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.PP
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.B snes
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options:
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.TP
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.B -h
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Override HiROM/LoROM detection:
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.B -h
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sets LoROM,
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.B -hh
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sets HiROM.
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.TP
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.B -m
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Enable mouse emulation using system mouse. Mouse button 1 (left button) engages the SNES left mouse button. Mouse button 3 (right button) engages the SNES right mouse button. Holding down mouse button 2 (middle button) disengages the SNES mouse entirely so that the Plan 9 cursor offset can be adjusted to align with the SNES cursor.
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.TP
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.B -T
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Display percentage of how fast the system is running relative to a real SNES.
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.SH SOURCE
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.B /sys/src/games/gb
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.br
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.B /sys/src/games/nes
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.br
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.B /sys/src/games/snes
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.SH BUGS
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You bet!
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.br
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SRAM saving on the NES only functions when the
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.B -s
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option is used.
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.br
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The SNES horizontal hires mode is supported only with
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.B -2
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scaling.
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.SH HISTORY
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.I Gb
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first appeared in 9front (April, 2012).
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.br
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.I Gba
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first appeared in 9front (September, 2014).
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.br
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.I Nes
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first appeared in 9front (February, 2014).
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.br
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.I Snes
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first appeared in 9front (March, 2014).
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