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void mafonction (void *addresse) __z88dk_fastcall  __naked
{
 
        __asm
            ; address est directement dans HL
        __endasm;
}
unsigned int Variable= 65535;
void main(void)
{
 
        mafonction (&Variable);
}
 

 
// Fast VDP use of LMMM or HMMM for 8x8 pattern
void FastChar(void *Params)  __z88dk_fastcall  __naked    
{
  Params;
    __asm 
      di
      fvdpWait1:
      ld  a,#2
      out (#0x99),a           
      ld  a,#128+#15
      out (#0x99),a
      in  a,(#0x99)
      rrca
      jp  c, fvdpWait1         ; wait CE
 
      ld  a,#32               ; Start with Reg 32
      out (#0x99),a
      ld  a,#128+#17
      out (#0x99),a           ;R#17 := 32
      ld  bc,#0x0f9b            ; c=9b   b=0f
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI
      OUTI         
 
      ld  a,#128+#44
      out (#0x99),a
      ld  a,#128+#17
      out (#0x99),a       ; VDP(17)<=44
      ld hl,#_BitmapFont+5
      ld b,#64             ; Number of bytes to send
      otir
 
      ;exit
      xor a
      out (#0x99),a
      ld  a,#0x8f
      ei
      out (#0x99),a
      ret
 
     __endasm;
}
 

 
typedef struct { 
    char letter_data;
    unsigned int x;
    unsigned int y;
    char Mtemp[8][8]; 
    char TabColor[16][4];
    char letter;
    unsigned int letter_addr;
} GraphPrint; 
GraphPrint BitmapFont;
 

 
typedef struct {
    unsigned int sx;        // source X (0 to 511)            R32 &     R33
    unsigned int sy;        // source Y (0 to 1023)            R34    &    R34
    unsigned int dx;        // destination X (0 to 511)        R36    &    R37
    unsigned int dy;        // destination Y (0 to 1023)     R38    &    R39
    unsigned int nx;         // width (0 to 511)                R40    &    R41
    unsigned int ny;         // height (0 to 511)            R42    &    R43
    unsigned char col;        // color used by some commands. R44    
    unsigned char param;    // Parameters set the direction. Example opDOWN | opRIGHT         R45
    unsigned char cmd;        // VDP Command + Logical Operator : Like opLMMM | LOGICAL_XOR    R46
    void *address;
} FastVDP;
FastVDP VDPcmd;