Zack Buhman
25e299feba
This is a reshuffling of filenames, extensions, paths, make rules, just because I felt like it.
53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
#include <cstdint>
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#include "maple/maple.hpp"
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#include "vga.hpp"
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#include "align.hpp"
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#include "serial.hpp"
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extern uint32_t _binary_wink_data_start __asm("_binary_wink_data_start");
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void make_wink(uint32_t * buf)
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{
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const uint8_t * src = reinterpret_cast<const uint8_t *>(&_binary_wink_data_start);
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uint8_t * dst = reinterpret_cast<uint8_t *>(buf);
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uint32_t ix = 0;
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dst[ix] = 0;
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for (int i = 0; i < 48 * 32; i++) {
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dst[ix] |= ((src[i] & 1) << (7 - (i % 8)));
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if (i % 8 == 7) {
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ix++;
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dst[ix] = 0;
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}
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}
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}
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void main()
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{
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constexpr int width = 48;
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constexpr int height = 32;
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constexpr int pixels_per_byte = 8;
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uint32_t wink_buf[width * height / pixels_per_byte];
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make_wink(wink_buf);
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uint32_t _command_buf[128 / 4];
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uint32_t _receive_buf[128 / 4];
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uint32_t * command_buf = align_32byte(_command_buf);
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uint32_t * receive_buf = align_32byte(_receive_buf);
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maple::init_block_write(command_buf, receive_buf, wink_buf);
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maple::dma_start(command_buf);
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for (int i = 0; i < 32; i++) {
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serial::integer<uint32_t>(receive_buf[i]);
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}
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vga();
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v_sync_in();
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vga_fill_framebuffer();
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while(1);
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}
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