sgb.h

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#ifndef _SGB_H
#define _SGB_H
 
#include <types.h>
#include <stdint.h>
 
#define SGB_PAL_01 0x00U    
#define SGB_PAL_23 0x01U    
#define SGB_PAL_03 0x02U    
#define SGB_PAL_12 0x03U    
#define SGB_ATTR_BLK 0x04U  
#define SGB_ATTR_LIN 0x05U  
#define SGB_ATTR_DIV 0x06U  
#define SGB_ATTR_CHR 0x07U  
#define SGB_SOUND 0x08U     
#define SGB_SOU_TRN 0x09U   
#define SGB_PAL_SET 0x0AU   
#define SGB_PAL_TRN 0x0BU   
#define SGB_ATRC_EN 0x0CU   
#define SGB_TEST_EN 0x0DU   
#define SGB_ICON_EN 0x0EU   
#define SGB_DATA_SND 0x0FU  
#define SGB_DATA_TRN 0x10U  
#define SGB_MLT_REQ 0x11U   
#define SGB_JUMP 0x12U      
#define SGB_CHR_TRN 0x13U   
#define SGB_PCT_TRN 0x14U   
#define SGB_ATTR_TRN 0x15U  
#define SGB_ATTR_SET 0x16U  
#define SGB_MASK_EN 0x17U   
#define SGB_OBJ_TRN 0x18U   
uint8_t sgb_check(void) OLDCALL PRESERVES_REGS(b, c);
 
void sgb_transfer(uint8_t * packet) OLDCALL PRESERVES_REGS(b, c);
 
#endif /* _SGB_H */