unsigned long CarSprite [2][2][30]=
{{{0x00001fff,0x00003800,0x00004000,0x0000bfff,0x00017fff,0x00027fff,0x000c7fff,
0x00709fff,0x00ffffff,0x00800000,0x00ffffff,0x00e23000,0x01041fff,0x01ffffff,0x01ffffff,
0x01367c00,0x012a7c00,0x01367c00,0x012a7c00,0x01ffffff,0x01ffffff,0x01555555,0x01800000,
0x01400000,0x00800000,0x00d55555,0x00ffffff,0x00fc0000,0x00fc0000,0x00fc0000},
{0xfff80000,0x001c0000,0x00020000,0xfffd0000,0xfffe8000,0xfffe4000,0xfffe3000,
0xfff90e00,0xffffff00,0x00000100,0xffffff00,0x000c4700,0xfff82180,0xffffff80,0xffffff80,
0x003e6c80,0x003e5480,0x003e6c80,0x003e5480,0xffffff80,0xffffff80,0xaaaaaa80,0x00000180,
0x00000280,0x00000100,0xaaaaab00,0xffffff00,0x00003f00,0x00003f00,0x00003f00}},
{{0x00000000,0x000007ff,0x00003fff,0x00004000,0x00009fff,0x0001bfff,0x00039fff,
0x000f6fff,0x00000000,0x007fffff,0x00000000,0x001dcfff,0x00fbe000,0x00000000,0x00000fff,
0x00c99555,0x00d5a6aa,0x00c99555,0x00d5a6aa,0x00000fff,0x00000000,0x00aaaaaa,0x006aaaaa,
0x00bfffff,0x007fffff,0x002aaaaa,0x00800000,0x00fc0000,0x00fc0000,0x00fc0000},
{0x00000000,0xffe00000,0xfffc0000,0x00020000,0xfff90000,0xfffd8000,0xfff9c000,
0xfff6f000,0x00000000,0xfffffe00,0x00000000,0xfff3b800,0x0007de00,0x00000000,0xfff00000,
0x55699300,0xaaa5ab00,0x55699300,0xaaa5ab00,0xfff00000,0x00000000,0x55555500,0xaaaaaa00,
0xfffff900,0xfffff600,0x55555400,0x00000100,0x00003f00,0x00003f00,0x00003f00}}};

#define ScreenBuffer_PLAN0    ScreenBuffer
#define ScreenBuffer_PLAN1    ScreenBuffer+LCD_SIZE
void *ScreenBuffer=malloc (LCD_SIZE*2);

GraySprite32_MASK (x,y,h,sprite,ScreenBuffer);
...
CopyScreenBufferToScreen (ScreenBuffer, GetPlane (0), GetPlane (1));