Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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diff --git a/firmware/target/arm/as3525/lcd-as-e200v2-fuze.S b/firmware/target/arm/as3525/lcd-as-e200v2-fuze.S index 71d997d..e146d86 100644 #include "cpu.h" #define DBOP_BUSY (1<<10) +#define SAVE_PIXEL \ + mov r6, r0, lsl #16 + +#define GET_SAVED_PIXEL \ + orr r6, r6, r0 + +#define WRITE_PIXELS \ + str r6, [r3, #0x10] + + /**************************************************************************** * void lcd_write_yuv_420_lines(unsigned char const * const src[3], @@ -110,12 +120,8 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ - @ + SAVE_PIXEL @ save pixel, will be written later + sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 add r12, r7, r7, asl #2 @ add r7, r12, r7, asl #5 @ @@ -143,7 +149,8 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel + GET_SAVED_PIXEL @ get saved pixel + WRITE_PIXELS @ write pixels 1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? @@ -177,11 +184,7 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + SAVE_PIXEL @ save pixel, is written later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*74 add r12, r7, r7, asl #2 @ @@ -208,7 +211,8 @@ lcd_write_yuv420_lines: @ orr r0, r0, lr, lsl #11 @ r0 = (r << 11) | b orr r0, r0, r7, lsl #5 @ r0 = (r << 11) | (g << 5) | b - strh r0, [r3, #0x10] @ write pixel + GET_SAVED_PIXEL @ get saved pixel + WRITE_PIXELS @ write pixels 1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? @@ -340,11 +344,7 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + SAVE_PIXEL @ save pixel, is written later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 add r12, r7, r7, asl #2 @ @@ -389,7 +389,8 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel + GET_SAVED_PIXEL @ get saved pixel + WRITE_PIXELS @ write pixels 1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? @@ -440,11 +441,7 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel -1: @ busy @ - ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS - tst r7, #DBOP_BUSY @ fifo not empty? - beq 1b @ + SAVE_PIXEL @ save pixel, is written later @ sub r7, r12, #16 @ r7 = Y = (Y' - 16)*149 add r12, r7, r7, asl #2 @ @@ -487,7 +484,8 @@ lcd_write_yuv420_lines_odither: and r7, r7, #0x7e00 @ r0 = pixel = (r & 0xf800) | orr r11, r11, r7, lsr #4 @ ((g & 0x7e00) >> 4) | orr r0, r11, r0, lsr #10 @ (b >> 10) - strh r0, [r3, #0x10] @ write pixel + GET_SAVED_PIXEL @ get saved pixel + WRITE_PIXELS @ write pixels 1: @ busy @ ldr r7, [r3,#0xc] @ r7 = DBOP_STATUS tst r7, #DBOP_BUSY @ fifo not empty? |
