📄 lcdmemc.lst
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&& (!LCD_SUPPORT_COMTRANS) \
&& (!LCD_SUPPORT_SEGTRANS) \
&& (LCD_BITSPERPIXEL == 6)
static int CurPosX;
static U8 LCD_VRAMTYPE* pCurPos_0;
static U8 LCD_VRAMTYPE* pCurPos_1;
static void SetPosXY(int x, int y) {
CurPosX = x;
pCurPos_0 = OFF2PTR_0(XY2OFF(x,y));
pCurPos_1 = OFF2PTR_1(XY2OFF(x,y));
switch (x&7) {
case 3:
case 4:
case 5:
pCurPos_0++;
pCurPos_1++;
break;
case 6:
case 7:
pCurPos_0+=2;
pCurPos_1+=2;
}
}
static void SetNextPixel(LCD_PIXELINDEX c) {
U8 c0 = ((c & 0x20) >> 3) + ((c & 0x08) >> 2) + ((c & 0x02) >> 1);
U8 c1 = ((c & 0x10) >> 2) + ((c & 0x04) >> 1) + (c & 0x01);
switch (CurPosX&7) {
case 0:
*pCurPos_0 = (*pCurPos_0&~(7<<5))|(c0<<5);
*pCurPos_1 = (*pCurPos_1&~(7<<5))|(c1<<5);
break;
case 1:
*pCurPos_0 = (*pCurPos_0&~(7<<2))|(c0<<2);
*pCurPos_1 = (*pCurPos_1&~(7<<2))|(c1<<2);
break;
case 2:
*pCurPos_0 = (*pCurPos_0&~(3))|(c0>>1);
*pCurPos_1 = (*pCurPos_1&~(3))|(c1>>1);
pCurPos_0++;
pCurPos_1++;
*pCurPos_0 = (*pCurPos_0 &~(1<<7))|(c0<<7);
*pCurPos_1 = (*pCurPos_1 &~(1<<7))|(c1<<7);
break;
case 3:
*pCurPos_0 = (*pCurPos_0&~(7<<4))|(c0<<4);
*pCurPos_1 = (*pCurPos_1&~(7<<4))|(c1<<4);
break;
case 4:
*pCurPos_0 = (*pCurPos_0&~(7<<1))|(c0<<1);
C51 COMPILER V8.05a LCDMEMC 04/11/2008 14:19:25 PAGE 11
*pCurPos_1 = (*pCurPos_1&~(7<<1))|(c1<<1);
break;
case 5:
*pCurPos_0 = (*pCurPos_0&~(1))|(c0>>2);
*pCurPos_1 = (*pCurPos_1&~(1))|(c1>>2);
pCurPos_0++;
pCurPos_1++;
*pCurPos_0 = (*pCurPos_0 &~(3<<6))|(c0<<6);
*pCurPos_1 = (*pCurPos_1 &~(3<<6))|(c1<<6);
break;
case 6:
*pCurPos_0 = (*pCurPos_0&~(7<<3))|(c0<<3);
*pCurPos_1 = (*pCurPos_1&~(7<<3))|(c1<<3);
break;
case 7:
*pCurPos_0 = (*pCurPos_0&~(7<<0))|(c0);
*pCurPos_1 = (*pCurPos_1&~(7<<0))|(c1);
pCurPos_0++;
pCurPos_1++;
break;
}
CurPosX++;
}
#endif
#if (LCD_BITSPERPIXEL == 3)
unsigned int GetPixel(int x, int y) {
U8 LCD_VRAMTYPE* p = OFF2PTR(XY2OFF(x,y));
switch(x&7) {
case 0: return (*p>>5);
case 1: return (*p>>2)&7;
case 2: return ((*p&(3 )) <<1)|(*(p+1)>>7);
case 3: return (*(p+1)>>4) &7;
case 4: return (*(p+1)>>1) &7;
case 5: return ((*(p+1)&(1)) <<2)|(*(p+2)>>6);
case 6: return (*(p+2)&(7<<3)) >>3;
}
return (*(p+2)&(7<<0)) >>0;
}
unsigned int LCD_L0_GetPixelIndex(int x, int y) {
return GETPIXEL(x, y);
}
#elif (LCD_BITSPERPIXEL == 6)
unsigned int GetPixel(int x, int y) {
U8 LCD_VRAMTYPE* p0 = OFF2PTR_0(XY2OFF(x,y));
U8 LCD_VRAMTYPE* p1 = OFF2PTR_1(XY2OFF(x,y));
U8 c0, c1;
switch(x&7) {
case 0:
c0 = (*p0>>5);
c1 = (*p1>>5);
break;
case 1:
c0 = (*p0>>2)&7;
c1 = (*p1>>2)&7;
break;
case 2:
C51 COMPILER V8.05a LCDMEMC 04/11/2008 14:19:25 PAGE 12
c0 = ((*p0&3)<<1)|(*(p0+1)>>7);
c1 = ((*p1&3)<<1)|(*(p1+1)>>7);
break;
case 3:
c0 = (*(p0+1)>>4) &7;
c1 = (*(p1+1)>>4) &7;
break;
case 4:
c0 = (*(p0+1)>>1) &7;
c1 = (*(p1+1)>>1) &7;
break;
case 5:
c0 = ((*(p0+1)&(1)) <<2)|(*(p0+2)>>6);
c1 = ((*(p1+1)&(1)) <<2)|(*(p1+2)>>6);
break;
case 6:
c0 = (*(p0+2)&(7<<3)) >>3;
c1 = (*(p1+2)&(7<<3)) >>3;
break;
case 7:
c0 = (*(p0+2)&(7<<0)) >>0;
c1 = (*(p1+2)&(7<<0)) >>0;
break;
}
return ((c0 & 0x04) << 3) + ((c0 & 0x02) << 2) + ((c0 & 0x01) << 1)
+ ((c1 & 0x04) << 2) + ((c1 & 0x02) << 1) + (c1 & 0x01);
}
unsigned int LCD_L0_GetPixelIndex(int x, int y) {
return GETPIXEL(x, y);
}
#endif
static void XorPixel (int x, int y) {
LCD_PIXELINDEX Index = GetPixel(x,y);
Index = LCD_NUM_COLORS-1-Index;
SetPixelPhys(x,y,Index);
}
void LCD_L0_XorPixel (int x, int y) {
XORPIXEL(x,y);
}
void LCD_L0_SetPixelIndex (int x, int y, int ColorIndex) {
SETPIXELFAST(x,y,ColorIndex);
}
/*
*********************************************************
* *
* LCD_DrawHLine optimized *
* *
* Normal display, 3 Bpp *
* *
*********************************************************
*/
#if (LCD_OPTIMIZE) \
C51 COMPILER V8.05a LCDMEMC 04/11/2008 14:19:25 PAGE 13
&& (!LCD_MIRROR_X) \
&& (!LCD_MIRROR_Y) \
&& (!LCD_SWAP_XY) \
&& (!LCD_SUPPORT_COMTRANS) \
&& (!LCD_SUPPORT_SEGTRANS) \
&& (LCD_BITSPERPIXEL == 3)
static U8 MaskLeft[8][3] = {
{ 0xff, 0xff, 0xff},
{ 0x1f, 0xff, 0xff},
{ 0x03, 0xff, 0xff},
{ 0x00, 0x7f, 0xff},
{ 0x00, 0x0f, 0xff},
{ 0x00, 0x01, 0xff},
{ 0x00, 0x00, 0x3f},
{ 0x00, 0x00, 0x07}/*!!!0x0e*/
};
static U8 MaskRight[8][3] = {
{ 0xe0, 0x00, 0x00},
{ 0xfc, 0x00, 0x00},
{ 0xff, 0x80, 0x00},
{ 0xff, 0xf0, 0x00},
{ 0xff, 0xfe, 0x00},
{ 0xff, 0xff, 0xc0},
{ 0xff, 0xff, 0xf8},
{ 0xff, 0xff, 0xff}
};
static U8* GetMaskRight(int x) { return &MaskRight[(x&7)][0]; }
static U8* GetMaskLeft (int x) { return &MaskLeft[(x&7)][0]; }
void LCD_L0_DrawHLine (int x0, int y, int x1) {
if (x0>x1) return; /* Check if nothing to draw */
if (GUI_Context.DrawMode & LCD_DRAWMODE_XOR) {
while (x0 <= x1) {
XORPIXEL(x0, y);
x0++;
}
} else {
int i;
U8 LCD_VRAMTYPE* p = OFF2PTR(XY2OFF(x0,y));
U8* pMask = GetMaskLeft(x0);
U8 aData[3];
U8 aDataMasked[3];
aData[0] = (COLOR<<5)|(COLOR<<2)|(COLOR>>1); /* hhhgggff */
aData[1] = (COLOR<<7)|(COLOR<<4)|(COLOR<<1)|(COLOR>>2); /* feeedddc */
aData[2] = (COLOR<<6)|(COLOR<<3)|(COLOR); /* ccbbbaaa */
for (i=0; i<3; i++, pMask++) {
aDataMasked[i] = (*(p+i) &~*pMask) | (aData[i] &*pMask);
}
if ((x0&~7) == (x1&~7)) { /* Do we have to clip left and right side ? */
U8* pMask = GetMaskRight(x1);
#if 0
for (i=0; i<3; i++, pMask++) {
*(p+i) = (*(p+i) &~*pMask) | (aDataMasked[i]&*pMask);
}
#else
*(p+0) = (*(p+0) &~*(pMask+0)) | (aDataMasked[0]&*(pMask+0));
*(p+1) = (*(p+1) &~*(pMask+1)) | (aDataMasked[1]&*(pMask+1));
*(p+2) = (*(p+2) &~*(pMask+2)) | (aDataMasked[2]&*(pMask+2));
#endif
C51 COMPILER V8.05a LCDMEMC 04/11/2008 14:19:25 PAGE 14
return;
}
*p = aDataMasked[0];
*(p+1) = aDataMasked[1];
*(p+2) = aDataMasked[2];
p+=3;
x0 = (x0&~7)+8;
/* Draw optimized portion */
{
int Len = (x1-x0+1)>>3;
if (Len >0) {
x0 += Len<<3;
do {
*p = aData[0];
*(p+1) = aData[1];
*(p+2) = aData[2];
p+=3;
} while (--Len);
}
}
/* Draw right portion */
if ((x1&7)!=7) {
U8* pMask = GetMaskRight(x1);
for (i=0; i<3; i++, pMask++) {
*(p+i) = (*(p+i) &~*pMask) | (aData[i]&*pMask);
}
}
}
}
/*
*********************************************************
* *
* LCD_DrawHLine optimized *
* *
* Normal display, 6 Bpp *
* *
*********************************************************
*/
#elif (LCD_OPTIMIZE) \
&& (!LCD_MIRROR_X) \
&& (!LCD_MIRROR_Y) \
&& (!LCD_SWAP_XY) \
&& (!LCD_SUPPORT_COMTRANS) \
&& (!LCD_SUPPORT_SEGTRANS) \
&& (LCD_BITSPERPIXEL == 6)
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