kopia lustrzana https://github.com/hoglet67/RGBtoHDMI
Six bit capture code improvements
rodzic
e72415a19e
commit
42be1941ec
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@ -78,7 +78,6 @@ loop:
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stmia r0, {r7}
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tst r3, #BIT_SCANLINES
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movne r7, #0
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movne r10, #0
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tst r3, #BIT_NO_LINE_DOUBLE
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addeq r0, r0, r2
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stmeqia r0, {r7}
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@ -42,6 +42,10 @@ loop:
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_3_BITS_WIDE r7 // input in r8, result in r7, corrupts r9
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cmp r1, #1
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stmeqia r0!, {r7}
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popeq {r0, pc}
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_0_BITS_WIDE r11 // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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@ -52,21 +56,9 @@ loop:
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CAPTURE_3_BITS_WIDE r10 // input in r8, result in r10, corrupts r9
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stmia r0!, {r7, r10}
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sub r1, r1, #2
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cmp r1, #1
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bgt loop
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popne {r0, pc}
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subs r1, r1, #2
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bne loop
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_0_BITS_WIDE r11 // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_1_BITS_WIDE // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_2_BITS_WIDE // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_3_BITS_WIDE r7 // input in r8, result in r7, corrupts r9
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stmia r0!, {r7}
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pop {r0, pc}
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preload_capture_line_fast_sixbits:
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@ -101,6 +93,10 @@ loop_8bpp:
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_HIGH_BITS_8BPP_WIDE r6 // input in r8, result in r6, corrupts r9
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cmp r1, #1
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stmeqia r0!, {r5, r6}
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popeq {r0, pc}
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_LOW_BITS_8BPP_WIDE r11 // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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@ -112,22 +108,9 @@ loop_8bpp:
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CAPTURE_HIGH_BITS_8BPP_WIDE r10 // input in r8, result in r10, corrupts r9
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stmia r0!, {r5, r6, r7, r10}
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sub r1, r1, #2
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cmp r1, #1
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bgt loop_8bpp
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popne {r0, pc}
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subs r1, r1, #2
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bne loop_8bpp
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_LOW_BITS_8BPP_WIDE r11 // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_HIGH_BITS_8BPP_WIDE r5 // input in r8, result in r5, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_LOW_BITS_8BPP_WIDE r12 // input in r8, result in r10, corrupts r9
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WAIT_FOR_PSYNC_EDGE_FAST // expects GPLEV0 in r4, result in r8
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CAPTURE_HIGH_BITS_8BPP_WIDE r6 // input in r8, result in r6, corrupts r9
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stmia r0!, {r5, r6}
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pop {r0, pc}
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preload_capture_line_fast_sixbits_8bpp:
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