The STM32F103 NES emulator has 60 frames, and the sound playback can be Timer+pwm+, low pass filter, or Timer+dac, Do not sync, sounds a bit strange, with improved upload hope. Now this is synchronized, the sound is much better

STM32_NES_ppugba\HARDWARE\DAC\dac.c
STM32_NES_ppugba\HARDWARE\DAC\dac.h
STM32_NES_ppugba\HARDWARE\DMA\dma.c
STM32_NES_ppugba\HARDWARE\DMA\dma.h
STM32_NES_ppugba\HARDWARE\KEY\key.c
STM32_NES_ppugba\HARDWARE\KEY\key.h
STM32_NES_ppugba\HARDWARE\LCD\FONT.H
STM32_NES_ppugba\HARDWARE\LCD\lcd.h
STM32_NES_ppugba\HARDWARE\LCD\ssd1289.c
STM32_NES_ppugba\HARDWARE\LCD_FSMC\font.h
STM32_NES_ppugba\HARDWARE\LCD_FSMC\lcd.c
STM32_NES_ppugba\HARDWARE\LCD_FSMC\lcd.h
STM32_NES_ppugba\HARDWARE\LED\led.c
STM32_NES_ppugba\HARDWARE\LED\led.h
STM32_NES_ppugba\HARDWARE\RTC\rtc.c
STM32_NES_ppugba\HARDWARE\RTC\rtc.h
STM32_NES_ppugba\HARDWARE\TIMER\timer.c
STM32_NES_ppugba\HARDWARE\TIMER\timer.h
STM32_NES_ppugba\NES\6502.h
STM32_NES_ppugba\NES\6502.s
STM32_NES_ppugba\NES\6502mac.h
STM32_NES_ppugba\NES\cart.s
STM32_NES_ppugba\NES\equates.h
STM32_NES_ppugba\NES\ppu_asm.s
STM32_NES_ppugba\NES_C\6502.C
STM32_NES_ppugba\NES_C\6502.H
STM32_NES_ppugba\NES_C\InfoNES_pAPU.c
STM32_NES_ppugba\NES_C\InfoNES_pAPU.h
STM32_NES_ppugba\NES_C\nes_main.c
STM32_NES_ppugba\NES_C\nes_main.h
STM32_NES_ppugba\NES_C\PPU.c
STM32_NES_ppugba\NES_C\PPU.h
STM32_NES_ppugba\STM32_NES.hex
STM32_NES_ppugba\STM32_NES.plg
STM32_NES_ppugba\STM32_NES.uvgui.pc
STM32_NES_ppugba\STM32_NES.uvopt
STM32_NES_ppugba\STM32_NES.uvproj
STM32_NES_ppugba\SYSTEM\delay\delay.c
STM32_NES_ppugba\SYSTEM\delay\delay.h
STM32_NES_ppugba\SYSTEM\MALLOC\malloc.c
STM32_NES_ppugba\SYSTEM\MALLOC\malloc.h
STM32_NES_ppugba\SYSTEM\sys\sys.c
STM32_NES_ppugba\SYSTEM\sys\sys.h
STM32_NES_ppugba\SYSTEM\usart\usart.c
STM32_NES_ppugba\SYSTEM\usart\usart.h
STM32_NES_ppugba\USER\main.c
STM32_NES_ppugba\USER\mario.h
STM32_NES_ppugba\USER\mario1.h
STM32_NES_ppugba\USER\mario2.h
STM32_NES_ppugba\USER\rom_mario.c
STM32_NES_ppugba\USER\startup_stm32f10x_hd.s
STM32_NES_ppugba\HARDWARE\DAC
STM32_NES_ppugba\HARDWARE\DMA
STM32_NES_ppugba\HARDWARE\KEY
STM32_NES_ppugba\HARDWARE\LCD
STM32_NES_ppugba\HARDWARE\LCD_FSMC
STM32_NES_ppugba\HARDWARE\LED
STM32_NES_ppugba\HARDWARE\RTC
STM32_NES_ppugba\HARDWARE\TIMER
STM32_NES_ppugba\SYSTEM\delay
STM32_NES_ppugba\SYSTEM\MALLOC
STM32_NES_ppugba\SYSTEM\sys
STM32_NES_ppugba\SYSTEM\usart
STM32_NES_ppugba\HARDWARE
STM32_NES_ppugba\NES
STM32_NES_ppugba\NES_C
STM32_NES_ppugba\SYSTEM
STM32_NES_ppugba\USER
STM32_NES_ppugba

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