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Fix "wrap==false" scrolling case.

This commit is contained in:
Stefan `Sec` Zehl 2011-07-21 22:21:41 +02:00
parent 63572af567
commit 80ea686dc8
1 changed files with 22 additions and 10 deletions
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32
firmware/lcd/display.c
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@ -169,11 +169,11 @@ void lcdShiftH(bool right, bool wrap) {
if (right) {
tmp = lcdBuffer[yb*RESX];
memmove(lcdBuffer + yb*RESX,lcdBuffer + yb*RESX+1 ,RESX-1);
if (wrap) lcdBuffer[yb*RESX+(RESX-1)] = tmp;
lcdBuffer[yb*RESX+(RESX-1)] = wrap?tmp:0;
} else {
tmp = lcdBuffer[yb*RESX+(RESX-1)];
memmove(lcdBuffer + yb*RESX+1,lcdBuffer + yb*RESX ,RESX-1);
if (wrap) lcdBuffer[yb*RESX] = tmp;
lcdBuffer[yb*RESX] = wrap?tmp:0;
}
}
}
@ -181,34 +181,46 @@ void lcdShiftH(bool right, bool wrap) {
void lcdShiftV8(bool up, bool wrap) {
uint8_t tmp[RESX];
if (up) {
if (wrap) memmove(tmp, lcdBuffer, RESX);
if (wrap)
memmove(tmp, lcdBuffer, RESX);
else
memset(tmp,0,RESX);
memmove(lcdBuffer,lcdBuffer+RESX ,RESX*(RESY_B-1));
if (wrap) memmove(lcdBuffer+RESX*(RESY_B-1),tmp,RESX);
memmove(lcdBuffer+RESX*(RESY_B-1),tmp,RESX);
} else {
if (wrap) memmove(tmp, lcdBuffer+RESX*(RESY_B-1), RESX);
if (wrap)
memmove(tmp, lcdBuffer+RESX*(RESY_B-1), RESX);
else
memset(tmp,0,RESX);
memmove(lcdBuffer+RESX,lcdBuffer ,RESX*(RESY_B-1));
if (wrap) memmove(lcdBuffer,tmp,RESX);
memmove(lcdBuffer,tmp,RESX);
}
}
void lcdShiftV(bool up, bool wrap) {
uint8_t tmp[RESX];
if (up) {
if (wrap) memmove(tmp,lcdBuffer+((RESY_B-1)*RESX),RESX);
if (wrap)
memmove(tmp,lcdBuffer+((RESY_B-1)*RESX),RESX);
else
memset(tmp,0,RESX);
for (int x = 0; x<RESX; x++){
for (int y = RESY_B-1; y > 0; y--){
lcdBuffer[x+(y*RESX)] = (lcdBuffer[x+(y*RESX)] << 1) |( lcdBuffer[x+((y-1)*RESX)] >> 7);
}
if (wrap) lcdBuffer[x] = ( lcdBuffer[x] << 1) | ((tmp[x]>>3)&1);
lcdBuffer[x] = ( lcdBuffer[x] << 1) | ((tmp[x]>>3)&1);
}
} else {
if (wrap) memmove(tmp,lcdBuffer,RESX);
if (wrap)
memmove(tmp,lcdBuffer,RESX);
else
memset(tmp,0,RESX);
for (int x = 0; x<RESX; x++){
for (int y = 0; y < (RESY_B-1); y++){
lcdBuffer[x+(y*RESX)] = (lcdBuffer[x+(y*RESX)] >> 1) |( lcdBuffer[x+((y+1)*RESX)] << 7);
}
if (wrap) lcdBuffer[x+((RESY_B-1)*RESX)] = ( lcdBuffer[x+((RESY_B-1)*RESX)] >> 1) | ((tmp[x]<<3)&8);
lcdBuffer[x+((RESY_B-1)*RESX)] = ( lcdBuffer[x+((RESY_B-1)*RESX)] >> 1) | ((tmp[x]<<3)&8);
}
}