CPU

• 6502 opecodes
• IRQ/NMI
• Load/save function of SRAM
• Trainer function
• 6502's bug
• 6502 unpublic operations (partial)

• 8x16, 8x8 sprite priority
• Sprite priority
• Horizontal/vertical scroll
• VROM/VRAM v
• Horizontal/vertical/one-screen/four-screen mirroring

• Rectangular wave #0, #1
• Trianglar wave
• Noise
• DPCM

• iNES : #0, #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #13, #15, #16, #17, #18, #19, #21, #22,
• iNES : #23, #24, #25, #26, #32, #33, #34, #40, #41, #42, #43, #44, #45, #46, #47, #48, #49, #50, #51, #57,
• iNES : #58, #60, #61, #62, #64, #65, #66, #67, #68, #69, #70, #71, #72, #73, #74, #75, #76, #77, #78, #79, #80,
• iNES : #82, #83, #85, #86, #87, #88, #89, #90, #91, #92, #93, #94, #95, #96, #97,#100,#101,#105,#107,#108,
• iNES : #109,#110,#112,#113,#114,#115,#116,#117,#118,#119,#120,#122,#133,#134,#135,#140,#151,#160,#180,#181,
• iNES : #182,#183,#185,#187,#188,#189,#191,#193,#194,#200, #201,#202,#222,#225,#226,#227,#228,#229,#230,#231,#232,#233,#234,
• iNES : #235,#236,#240,#241,#242,#243,#244,#245,#246,#248,#249,#251,#252,#255
• Nintendo : MMC1(#1), MMC2(#9), MMC3(#4), MMC4(#10), MMC5(#5)

License: free