136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
#include <cstdint>
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#include "memorymap.hpp"
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#include "sh7091.hpp"
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#include "sh7091_bits.hpp"
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#include "holly.hpp"
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#include "holly/core.hpp"
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#include "holly/core_bits.hpp"
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#include "holly/ta_fifo_polygon_converter.hpp"
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#include "systembus.hpp"
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#include "maple/maple.hpp"
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#include "maple/maple_bits.hpp"
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#include "maple/maple_bus_commands.hpp"
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#include "maple/maple_bus_ft0.hpp"
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#include "holly/texture_memory_alloc.hpp"
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#include "cache.hpp"
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#include "load.hpp"
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#include "vga.hpp"
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#include "rgb.hpp"
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#include "string.hpp"
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#include "scene.hpp"
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#include "macaw.hpp"
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/* must be aligned to 32-bytes for DMA transfer */
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// the aligned(32) attribute does not actually align to 32 bytes; gcc is the best compiler.
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// `+ 32` to allow for repositioning _scene to an actual 32-byte alignment.
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// __attribute__((aligned(32)))
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uint32_t _scene[((32 * 6) + 32) / 4];
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uint32_t _receive_address[(256 + 32) / 4] = {0};
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uint32_t _command_buf[(256 + 32) / 4] = {0};
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bool maple_test()
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{
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v_sync_out();
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uint32_t * command_buf = align_32byte(_command_buf);
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uint32_t * receive_address = align_32byte(_receive_address);
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if ((((uint32_t)command_buf) & 31) != 0) serial_string("misaligned\n");
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if ((((uint32_t)receive_address) & 31) != 0) serial_string("misaligned\n");
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//maple_init_device_request(command_buf, receive_address);
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//maple_init_get_condition(command_buf, receive_address);
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serial_int32(command_buf[0]);
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serial_char('\n');
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maple_dma_start(command_buf);
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v_sync_in();
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for (int i = 0; i < 32; i++) {
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serial_int32(receive_address[i]);
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}
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/*
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for (int i = 0; i < (4 + 4 + 8); i++) {
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serial_int8(reinterpret_cast<volatile uint8_t *>(receive_address)[i]);
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}
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*/
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// the data format for a FT0 (controller) data read
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auto data_format = reinterpret_cast<volatile data_transfer::data_fields<ft0::data_transfer::data_format> *>(&receive_address[1]);
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return !(data_format->data.digital_button & ft0::data_transfer::digital_button::a);
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}
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void main()
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{
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//serial();
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vga();
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maple_test();
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//((void(*)(void))0xac010000)();
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/*
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volatile texture_memory_alloc * mem = reinterpret_cast<volatile texture_memory_alloc *>(0xa400'0000);
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volatile uint8_t * macaw = reinterpret_cast<volatile uint8_t *>(&_binary_macaw_data_start);
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uint32_t macaw_size = reinterpret_cast<uint32_t>(&_binary_macaw_data_size);
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for (uint32_t px = 0; px < macaw_size / 3; px++) {
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uint8_t r = macaw[px * 3 + 0];
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uint8_t g = macaw[px * 3 + 1];
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uint8_t b = macaw[px * 3 + 2];
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uint16_t rgb565 = ((r / 8) << 11) | ((g / 4) << 5) | ((b / 8) << 0);
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mem->texture[px] = rgb565;
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}
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*/
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holly.SOFTRESET = softreset::pipeline_soft_reset
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| softreset::ta_soft_reset;
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holly.SOFTRESET = 0;
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//system.LMMODE0 = 1; // texture memory through TA FIFO
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//system.LMMODE1 = 1; // texture memory through TA FIFO (mirror)
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v_sync_out();
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v_sync_in();
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core_init();
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core_init_texture_memory();
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// the address of `scene` must be a multiple of 32 bytes
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// this is mandatory for ch2-dma to the ta fifo polygon converter
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uint32_t * scene = align_32byte(_scene);
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if ((reinterpret_cast<uint32_t>(scene) & 31) != 0) {
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serial_string("unaligned\n");
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while(1);
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}
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int frame = 0;
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bool a_pressed = 0;
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uint32_t color;
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while (true) {
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v_sync_out();
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v_sync_in();
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ta_polygon_converter_init();
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if (a_pressed) { color = 0xffffffff; } else { color = 0xffff7f00; }
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uint32_t ta_parameter_size = scene_transform_quad(scene, color);
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ta_polygon_converter_transfer(scene, ta_parameter_size);
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ta_wait_opaque_list();
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core_start_render(frame);
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//a_pressed = maple_test();
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frame = !frame;
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}
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}
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