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Modulos are subtracted in descending mode.
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parent
4d7ce3792f
commit
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@ -10,9 +10,11 @@
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#include "Minterms.hpp"
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#ifndef NDEBUG
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#define NDEBUG
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#endif
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#include <cassert>
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//#ifndef NDEBUG
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//#define NDEBUG
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//#endif
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#define LOG_PREFIX "[Blitter] "
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#include "../../Outputs/Log.hpp"
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@ -101,6 +103,9 @@ bool Blitter::advance() {
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if(!height_) return false;
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if(line_mode_) {
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// As-yet unimplemented:
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assert(b_ == 0xffff);
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//
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// Line mode.
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//
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@ -204,6 +209,10 @@ bool Blitter::advance() {
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}
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}
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} else {
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// As-yet unimplemented:
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assert(!inclusive_fill_);
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assert(!exclusive_fill_);
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// Copy mode.
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// int lc = 0;
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@ -273,10 +282,10 @@ bool Blitter::advance() {
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}
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}
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pointer_[0] += modulos_[0] * channel_enables_[0];
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pointer_[1] += modulos_[1] * channel_enables_[1];
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pointer_[2] += modulos_[2] * channel_enables_[2];
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pointer_[3] += modulos_[3] * channel_enables_[3];
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pointer_[0] += modulos_[0] * channel_enables_[0] * direction_;
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pointer_[1] += modulos_[1] * channel_enables_[1] * direction_;
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pointer_[2] += modulos_[2] * channel_enables_[2] * direction_;
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pointer_[3] += modulos_[3] * channel_enables_[3] * direction_;
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}
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// printf("\n");
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}
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