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comparison src/cs/drivers/drv_app/r2d/lcds/c139/r2d_task_i.c @ 448:e56e74e8b730

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R2D C139 C-Sample emulation: fixed off-by-one error that was causing the garbage in the upper left corner of the display and also caused everything to be shifted by one pixel
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 29 Jan 2018 06:24:55 +0000
parents 384fbd61c252
children
comparison
equal deleted inserted replaced
447:4b6acb68b851 448:e56e74e8b730
43 { 43 {
44 UINT32 *p, mask; 44 UINT32 *p, mask;
45 UINT16 yword, ybit; 45 UINT16 yword, ybit;
46 46
47 /* mirroring */ 47 /* mirroring */
48 x = R2D_WIDTH - x; 48 x = R2D_WIDTH - 1 - x;
49 y = R2D_HEIGHT - y; 49 y = R2D_HEIGHT - 1 - y;
50 yword = y >> 5; 50 yword = y >> 5;
51 ybit = y & 31; 51 ybit = y & 31;
52 p = fb + x * R2D_MWHEIGHT + yword; 52 p = fb + x * R2D_MWHEIGHT + yword;
53 mask = 1 << ybit; 53 mask = 1 << ybit;
54 if (*p & mask) 54 if (*p & mask)