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https://github.com/RaySollium99/libpicofe.git
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576fc63792
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@183 be3aeb3a-fb24-0410-a615-afba39da0efa
29 lines
1.1 KiB
C
29 lines
1.1 KiB
C
#ifndef __CPUCTRL_H__
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#define __CPUCTRL_H__
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extern void cpuctrl_init(void); /* call this at first */
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extern void save_system_regs(void); /* save some registers */
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extern void cpuctrl_deinit(void);
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extern void set_display_clock_div(unsigned div);
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extern void set_FCLK(unsigned MHZ); /* adjust the clock frequency (in Mhz units) */
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extern void set_920_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
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extern void set_DCLK_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
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//extern void Disable_940(void); /* 940t down */
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extern void set_RAM_Timings(int tRC, int tRAS, int tWR, int tMRD, int tRFC, int tRP, int tRCD);
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extern void set_gamma(int g100);
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typedef enum
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{
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LCDR_60 = 0, /* ~59.998Hz, has interlacing problems, kills USB host */
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LCDR_50, /* 50Hz, has interlacing problems, kills USB host */
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LCDR_120_20, /* ~60.10*2Hz, used by FCE Ultra */
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LCDR_100_02, /* ~50.01*2Hz, used by FCE Ultra */
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LCDR_120, /* 120Hz */
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LCDR_100, /* 100Hz */
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} lcd_rate_t;
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extern void set_LCD_custom_rate(lcd_rate_t rate);
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extern void unset_LCD_custom_rate(void);
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#endif
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