3 gb, gba, nes, snes \- emulators
40 are emulators for the Nintendo Game Boy (GB), Nintendo Game Boy Advance (GBA), Nintendo Entertainment System (NES) and Super Nintendo Entertainment System (SNES).
41 They execute the romfile given as an argument.
42 The \fBz\fR, \fBx\fR, \fBa\fR, \fBs\fR, return and shift keys correspond to B, A, Y, X, Start and Select, respectively.
46 Save the current state in \fBgb.save\fR / \fBgba.save\fR / \fBnes.save\fR / \fBsnes.save\fR.
49 Load the current state from \fBgb.save\fR / \fBgba.save\fR / \fBnes.save\fR / \fBsnes.save\fR.
60 Scale the screen by the given factor.
69 Location of the GBA BIOS file (required to operate the emulator).
72 Save format used by the original game.
75 Display percentage of how fast the system is running relative to a real GBA.
81 Hide the top and bottom eight pixels (overscan area), like a real television would.
84 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).
90 Override HiROM/LoROM detection:
97 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.
100 Display percentage of how fast the system is running relative to a real SNES.
104 .B /sys/src/games/nes
106 .B /sys/src/games/snes
110 SRAM saving on the NES only functions when the
114 The SNES horizontal hires mode is supported only with
119 first appeared in 9front (April, 2012).
122 first appeared in 9front (September, 2014).
125 first appeared in 9front (February, 2014).
128 first appeared in 9front (March, 2014).