642 lines
20 KiB
C++
642 lines
20 KiB
C++
#include <cstdint>
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#include <bit>
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#include "align.hpp"
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#include "holly/video_output.hpp"
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#include "holly/texture_memory_alloc.hpp"
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#include "holly/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 "holly/ta_parameter.hpp"
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#include "holly/ta_global_parameter.hpp"
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#include "holly/ta_vertex_parameter.hpp"
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#include "holly/ta_bits.hpp"
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#include "holly/isp_tsp.hpp"
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#include "memorymap.hpp"
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#include "holly/background.hpp"
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#include "holly/region_array.hpp"
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#include "twiddle.hpp"
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#include "palette.hpp"
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#include "string.hpp"
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#include "sh7091/serial.hpp"
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#include "maple/maple.hpp"
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#include "maple/maple_impl.hpp"
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#include "maple/maple_bus_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 "maple/maple_bus_ft6.hpp"
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#include "maple/maple_bus_ft6_key_scan_codes.hpp"
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#include "font/font.hpp"
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#include "ter_u20n.hpp"
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#include "gap_buffer.hpp"
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struct vertex {
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float x;
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float y;
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float u;
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float v;
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};
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const struct vertex strip_vertices[4] = {
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// [ position ] [ uv coordinates ]
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{ 0.f, 0.f, 0.f, 0.f, },
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{ 1.f, 0.f, 1.f, 0.f, },
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{ 1.f, 1.f, 1.f, 1.f, },
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{ 0.f, 1.f, 0.f, 1.f, },
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};
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constexpr uint32_t strip_length = (sizeof (strip_vertices)) / (sizeof (struct vertex));
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constexpr inline float float_26_6(int32_t n)
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{
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float v = n >> 6;
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//float d = n & 63;
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//return v + (d / 64.f);
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return v;
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}
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void transform(ta_parameter_writer& parameter,
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const uint32_t texture_width, uint32_t texture_height,
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const glyph& glyph,
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const float origin_x,
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const float origin_y,
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const bool invert = false)
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{
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const uint32_t parameter_control_word = para_control::para_type::sprite
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| (invert ? para_control::list_type::translucent : para_control::list_type::opaque)
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| obj_control::col_type::packed_color
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| obj_control::texture
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| obj_control::_16bit_uv;
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const uint32_t isp_tsp_instruction_word = isp_tsp_instruction_word::depth_compare_mode::always
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| isp_tsp_instruction_word::culling_mode::no_culling;
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uint32_t tsp_instruction_word = tsp_instruction_word::fog_control::no_fog
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| tsp_instruction_word::texture_u_size::from_int(texture_width)
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| tsp_instruction_word::texture_v_size::from_int(texture_height);
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if (invert) {
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tsp_instruction_word |= tsp_instruction_word::src_alpha_instr::inverse_other_color
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| tsp_instruction_word::dst_alpha_instr::inverse_other_color
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;
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} else {
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tsp_instruction_word |= tsp_instruction_word::src_alpha_instr::one
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| tsp_instruction_word::dst_alpha_instr::zero
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;
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}
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const uint32_t texture_address = texture_memory_alloc::texture.start;
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const uint32_t texture_control_word = texture_control_word::pixel_format::_4bpp_palette
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| texture_control_word::scan_order::twiddled
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| texture_control_word::palette_selector(invert)
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| texture_control_word::texture_address(texture_address / 8);
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parameter.append<ta_global_parameter::polygon_type_0>() =
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ta_global_parameter::polygon_type_0(parameter_control_word,
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isp_tsp_instruction_word,
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tsp_instruction_word,
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texture_control_word,
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0, // data_size_for_sort_dma
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0 // next_address_for_sort_dma
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);
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struct vertex out[strip_length];
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for (uint32_t i = 0; i < strip_length; i++) {
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float x = strip_vertices[i].x;
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float y = strip_vertices[i].y;
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x *= glyph.bitmap.width;
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y *= glyph.bitmap.height;
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x += origin_x + float_26_6(glyph.metrics.horiBearingX);
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y += origin_y - float_26_6(glyph.metrics.horiBearingY);
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float u = strip_vertices[i].u;
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float v = strip_vertices[i].v;
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u *= glyph.bitmap.width;
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v *= glyph.bitmap.height;
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u += glyph.bitmap.x;
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v += glyph.bitmap.y;
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u = u / static_cast<float>(texture_width);
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v = v / static_cast<float>(texture_height);
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out[i].x = x;
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out[i].y = y;
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out[i].u = u;
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out[i].v = v;
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}
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const float z = 0.1f;
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parameter.append<ta_vertex_parameter::sprite_type_1>() =
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ta_vertex_parameter::sprite_type_1(para_control::para_type::vertex_parameter,
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out[0].x,
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out[0].y,
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z,
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out[1].x,
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out[1].y,
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z,
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out[2].x,
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out[2].y,
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z,
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out[3].x,
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out[3].y,
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uv_16bit(out[0].u, out[0].v),
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uv_16bit(out[1].u, out[1].v),
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uv_16bit(out[2].u, out[2].v)
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);
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}
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void init_texture_memory(const struct opb_size& opb_size)
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{
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region_array2(640 / 32, // width
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480 / 32, // height
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opb_size
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);
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background_parameter(0xff0000ff);
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}
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void inflate_font(const uint32_t * src,
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const uint32_t stride,
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const uint32_t curve_end_ix)
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{
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auto texture = reinterpret_cast<volatile uint16_t *>(&texture_memory64[texture_memory_alloc::texture.start / 4]);
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twiddle::texture3<4, 1>(texture, reinterpret_cast<const uint8_t *>(src),
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stride,
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curve_end_ix);
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}
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uint32_t _command_buf[(1024 + 32) / 4];
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uint32_t _receive_buf[(1024 + 32) / 4];
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struct button_state {
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bool ra;
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bool la;
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bool da;
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bool ua;
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bool a;
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bool b;
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bool x;
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bool y;
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bool start;
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void reset()
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{
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ra = la = da = ua = 0;
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a = b = x = y = 0;
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start = 0;
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}
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};
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void do_get_condition_controller(uint32_t * command_buf,
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uint32_t * receive_buf,
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button_state& buttons)
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{
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using command_type = get_condition;
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using response_type = data_transfer<ft0::data_transfer::data_format>;
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get_condition::data_fields data_fields = {
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.function_type = std::byteswap(function_type::controller)
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};
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const uint32_t command_size = maple::init_host_command_all_ports<command_type, response_type>(command_buf, receive_buf, data_fields);
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using host_response_type = struct maple::command_response<response_type::data_fields>;
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auto host_response = reinterpret_cast<host_response_type *>(receive_buf);
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maple::dma_start(command_buf, command_size,
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receive_buf, maple::sizeof_command(host_response));
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buttons.reset();
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for (uint8_t port = 0; port < 4; port++) {
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auto& bus_data = host_response[port].bus_data;
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if (bus_data.command_code != response_type::command_code) {
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continue;
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}
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auto& data_fields = bus_data.data_fields;
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if ((data_fields.function_type & std::byteswap(function_type::controller)) == 0) {
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continue;
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}
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buttons.ra |= ft0::data_transfer::digital_button::ra(data_fields.data.digital_button) == 0;
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buttons.la |= ft0::data_transfer::digital_button::la(data_fields.data.digital_button) == 0;
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buttons.da |= ft0::data_transfer::digital_button::da(data_fields.data.digital_button) == 0;
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buttons.ua |= ft0::data_transfer::digital_button::ua(data_fields.data.digital_button) == 0;
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buttons.a |= ft0::data_transfer::digital_button::a(data_fields.data.digital_button) == 0;
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buttons.b |= ft0::data_transfer::digital_button::b(data_fields.data.digital_button) == 0;
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buttons.x |= ft0::data_transfer::digital_button::x(data_fields.data.digital_button) == 0;
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buttons.y |= ft0::data_transfer::digital_button::y(data_fields.data.digital_button) == 0;
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buttons.start |= ft0::data_transfer::digital_button::start(data_fields.data.digital_button) == 0;
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}
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}
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void do_get_condition_keyboard(uint32_t * command_buf,
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uint32_t * receive_buf,
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ft6::data_transfer::data_format& data)
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{
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using command_type = get_condition;
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using response_type = data_transfer<ft6::data_transfer::data_format>;
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get_condition::data_fields data_fields = {
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.function_type = std::byteswap(function_type::keyboard)
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};
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const uint32_t command_size = maple::init_host_command_all_ports<command_type, response_type>(command_buf, receive_buf, data_fields);
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using host_response_type = struct maple::command_response<response_type::data_fields>;
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auto host_response = reinterpret_cast<host_response_type *>(receive_buf);
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maple::dma_start(command_buf, command_size,
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receive_buf, maple::sizeof_command(host_response));
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for (uint8_t port = 0; port < 4; port++) {
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auto& bus_data = host_response[port].bus_data;
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if (bus_data.command_code != response_type::command_code) {
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continue;
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}
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auto& data_fields = bus_data.data_fields;
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if ((data_fields.function_type & std::byteswap(function_type::keyboard)) == 0) {
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continue;
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}
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data.modifier_key = data_fields.data.modifier_key;
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data.led_state = data_fields.data.led_state;
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data.scan_code_array[0] = data_fields.data.scan_code_array[0];
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data.scan_code_array[1] = data_fields.data.scan_code_array[1];
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data.scan_code_array[2] = data_fields.data.scan_code_array[2];
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data.scan_code_array[3] = data_fields.data.scan_code_array[3];
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data.scan_code_array[4] = data_fields.data.scan_code_array[4];
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data.scan_code_array[5] = data_fields.data.scan_code_array[5];
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return;
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}
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}
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uint32_t _ta_parameter_buf[((32 * 10 * 17) + 32) / 4];
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struct editor_state {
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gap_buffer gb;
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};
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void render_gap_buffer(ta_parameter_writer& parameter,
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const struct font * font,
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const struct glyph * glyphs,
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gap_buffer& gb)
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{
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int32_t advance = 0;
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int32_t cursor = 0;
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for (int32_t i = 0; i <= gb.size; i++) {
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if (i == gb.gap_start)
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cursor = advance;
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if (i == gb.size)
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break;
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char_type c;
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if (i < gb.gap_start || i >= gb.gap_end) {
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c = gb.buf[i];
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} else {
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c = '_';
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}
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uint32_t ix;
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if (c >= font->first_char_code && c <= font->last_char_code) {
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ix = c - font->first_char_code;
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} else {
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ix = '#' - font->first_char_code;
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}
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auto& glyph = glyphs[ix];
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transform(parameter,
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font->texture_width,
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font->texture_height,
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glyph,
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10.f + float_26_6(advance), // x
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100.f // y
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);
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advance += glyph.metrics.horiAdvance;
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}
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for (int32_t i = 0; i < gb.line.length; i++) {
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int32_t j = gb.line.offsets[i];
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auto& glyph = glyphs['X' - font->first_char_code];
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transform(parameter,
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font->texture_width,
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font->texture_height,
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glyph,
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10.f + 10.f * j, // x
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100.f - float_26_6(font->glyph_height) // y
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);
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}
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auto& glyph = glyphs['^' - font->first_char_code];
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transform(parameter,
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font->texture_width, font->texture_height,
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glyph,
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10.f + float_26_6(cursor), // x
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100.f + float_26_6(font->glyph_height) // y
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);
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{
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auto& glyph = glyphs['`' - font->first_char_code];
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int32_t j;
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if (gb.line.gap < gb.line.length) {
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j = gb.line.offsets[gb.line.gap];
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} else {
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j = gb.size;
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}
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transform(parameter,
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font->texture_width, font->texture_height,
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glyph,
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10.f + 10.f * j, // x
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100.f + float_26_6(font->glyph_height) * 2 // y
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);
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}
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int32_t h_cursor = 0;
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int32_t v_cursor = 0;
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int32_t h_advance = 0;
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int32_t v_advance = 0;
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for (int32_t i = 0; i <= gb.size; i++) {
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if (i == gb.gap_start) {
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h_cursor = h_advance;
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v_cursor = v_advance;
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}
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if (i == gb.size)
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break;
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char_type c;
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if (i < gb.gap_start || i >= gb.gap_end) {
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c = gb.buf[i];
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} else {
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continue;
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}
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uint32_t ix;
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if (c >= font->first_char_code && c <= font->last_char_code) {
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ix = c - font->first_char_code;
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} else {
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ix = '#' - font->first_char_code;
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}
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auto& glyph = glyphs[ix];
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transform(parameter,
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font->texture_width,
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font->texture_height,
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glyph,
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350.f + float_26_6(h_advance), // x
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100.f + float_26_6(v_advance) // y
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);
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if (c == '\n') {
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h_advance = 0;
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v_advance += font->glyph_height;
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} else {
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h_advance += glyph.metrics.horiAdvance;
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}
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}
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{
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int32_t advance = 0;
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char buf[10];
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string::dec(buf, 10, gap_column_number(gb));
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int j;
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for (j = 0; j < 9; j++) { if (buf[j] != '0') break; }
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for (int i = j; i < 10; i++) {
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uint8_t c = buf[i];
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int32_t ix;
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if (c >= font->first_char_code && c <= font->last_char_code) {
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ix = c - font->first_char_code;
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} else {
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ix = '#' - font->first_char_code;
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}
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auto& glyph = glyphs[ix];
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transform(parameter,
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font->texture_width,
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font->texture_height,
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glyph,
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50.f + float_26_6(advance), // x
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400.f // y
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);
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advance += glyph.metrics.horiAdvance;
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}
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}
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parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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{
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auto& glyph = glyphs[' ' - font->first_char_code];
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transform(parameter,
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font->texture_width, font->texture_height,
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glyph,
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350.f + float_26_6(h_cursor), // x
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100.f + float_26_6(v_cursor), // y
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true); // invert
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}
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parameter.append<ta_global_parameter::end_of_list>() = ta_global_parameter::end_of_list(para_control::para_type::end_of_list);
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}
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void update_state(button_state& prev, button_state& next, editor_state& state)
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{
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if ((next.la == true) && (next.la != prev.la)) {
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gap_cursor_pos(state.gb, -1);
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}
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if ((next.ra == true) && (next.ra != prev.ra)) {
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gap_cursor_pos(state.gb, +1);
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}
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}
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void debug_keyboard(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix)
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{
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uint32_t this_frame = (frame_ix + 0) & 1;
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bool difference = false;
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for (int i = 0; i < 6; i++) {
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if (keyboards[0].scan_code_array[i] != keyboards[1].scan_code_array[i]) {
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difference = true;
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break;
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}
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}
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if (difference) {
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for (int i = 0; i < 6; i++) {
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serial::integer<uint8_t>(keyboards[this_frame].scan_code_array[i], ' ');
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}
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serial::string("\n");
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}
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}
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void update_keyboard(ft6::data_transfer::data_format * keyboards, uint32_t frame_ix, gap_buffer& gb)
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{
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uint32_t this_frame = (frame_ix + 0) & 1;
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uint32_t next_frame = (frame_ix + 1) & 1;
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for (int i = 0; i < 6; i++) {
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if (i < 5 && keyboards[this_frame].scan_code_array[i + 1] != ft6::scan_codes::no_operation)
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continue;
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bool make = true;
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for (int j = 0; j < 6; j++) {
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if (keyboards[next_frame].scan_code_array[j] == keyboards[this_frame].scan_code_array[i]) {
|
|
make = false;
|
|
break;
|
|
}
|
|
}
|
|
if (make) {
|
|
// make
|
|
uint8_t scan_code = keyboards[this_frame].scan_code_array[i];
|
|
switch (scan_code) {
|
|
case ft6::scan_codes::a_A: [[fallthrough]];
|
|
case ft6::scan_codes::b_B: [[fallthrough]];
|
|
case ft6::scan_codes::c_C: [[fallthrough]];
|
|
case ft6::scan_codes::d_D: [[fallthrough]];
|
|
case ft6::scan_codes::e_E: [[fallthrough]];
|
|
case ft6::scan_codes::f_F: [[fallthrough]];
|
|
case ft6::scan_codes::g_G: [[fallthrough]];
|
|
case ft6::scan_codes::h_H: [[fallthrough]];
|
|
case ft6::scan_codes::i_I: [[fallthrough]];
|
|
case ft6::scan_codes::j_J: [[fallthrough]];
|
|
case ft6::scan_codes::k_K: [[fallthrough]];
|
|
case ft6::scan_codes::l_L: [[fallthrough]];
|
|
case ft6::scan_codes::m_M: [[fallthrough]];
|
|
case ft6::scan_codes::n_N: [[fallthrough]];
|
|
case ft6::scan_codes::o_O: [[fallthrough]];
|
|
case ft6::scan_codes::p_P: [[fallthrough]];
|
|
case ft6::scan_codes::q_Q: [[fallthrough]];
|
|
case ft6::scan_codes::r_R: [[fallthrough]];
|
|
case ft6::scan_codes::s_S: [[fallthrough]];
|
|
case ft6::scan_codes::t_T: [[fallthrough]];
|
|
case ft6::scan_codes::u_U: [[fallthrough]];
|
|
case ft6::scan_codes::v_V: [[fallthrough]];
|
|
case ft6::scan_codes::w_W: [[fallthrough]];
|
|
case ft6::scan_codes::x_X: [[fallthrough]];
|
|
case ft6::scan_codes::y_Y: [[fallthrough]];
|
|
case ft6::scan_codes::z_Z:
|
|
{
|
|
char_type code_point = (scan_code - ft6::scan_codes::a_A) + 'a';
|
|
gap_append(gb, code_point);
|
|
}
|
|
break;
|
|
case ft6::scan_codes::_1_exclam: [[fallthrough]];
|
|
case ft6::scan_codes::_2_at: [[fallthrough]];
|
|
case ft6::scan_codes::_3_numbersign: [[fallthrough]];
|
|
case ft6::scan_codes::_4_dollar: [[fallthrough]];
|
|
case ft6::scan_codes::_5_percent: [[fallthrough]];
|
|
case ft6::scan_codes::_6_asciicircum: [[fallthrough]];
|
|
case ft6::scan_codes::_7_ampersand: [[fallthrough]];
|
|
case ft6::scan_codes::_8_asterisk: [[fallthrough]];
|
|
case ft6::scan_codes::_9_parenleft:
|
|
{
|
|
char_type code_point = (scan_code - ft6::scan_codes::_1_exclam) + '1';
|
|
gap_append(gb, code_point);
|
|
}
|
|
break;
|
|
case ft6::scan_codes::_0_parenright: gap_append(gb, '0'); break;
|
|
case ft6::scan_codes::_return: gap_append(gb, '\n'); break;
|
|
case ft6::scan_codes::backspace: gap_pop(gb); break;
|
|
case ft6::scan_codes::spacebar: gap_append(gb, ' '); break;
|
|
|
|
case ft6::scan_codes::left_arrow: gap_cursor_pos(gb, -1); break;
|
|
case ft6::scan_codes::right_arrow: gap_cursor_pos(gb, 1); break;
|
|
case ft6::scan_codes::up_arrow: gap_cursor_pos_line(gb, -1); break;
|
|
case ft6::scan_codes::down_arrow: gap_cursor_pos_line(gb, 1); break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void main()
|
|
{
|
|
video_output::set_mode_vga();
|
|
|
|
auto font = reinterpret_cast<const struct font *>(&_binary_ter_u20n_data_start);
|
|
auto glyphs = reinterpret_cast<const struct glyph *>(&font[1]);
|
|
auto texture = reinterpret_cast<const uint32_t *>(&glyphs[font->glyph_count]);
|
|
|
|
inflate_font(texture,
|
|
font->texture_stride,
|
|
font->max_z_curve_ix);
|
|
|
|
holly.PAL_RAM_CTRL = pal_ram_ctrl::pixel_format::argb1555;
|
|
holly.PALETTE_RAM[0] = 0x8000;
|
|
holly.PALETTE_RAM[1] = 0xffff;
|
|
holly.PALETTE_RAM[16] = 0xffff;
|
|
holly.PALETTE_RAM[17] = 0x8000;
|
|
|
|
// The address of `ta_parameter_buf` must be a multiple of 32 bytes.
|
|
// This is mandatory for ch2-dma to the ta fifo polygon converter.
|
|
uint32_t * ta_parameter_buf = align_32byte(_ta_parameter_buf);
|
|
|
|
constexpr uint32_t ta_alloc = ta_alloc_ctrl::pt_opb::no_list
|
|
| ta_alloc_ctrl::tm_opb::no_list
|
|
| ta_alloc_ctrl::t_opb::_16x4byte
|
|
| ta_alloc_ctrl::om_opb::no_list
|
|
| ta_alloc_ctrl::o_opb::_16x4byte;
|
|
|
|
constexpr struct opb_size opb_size = { .opaque = 16 * 4
|
|
, .opaque_modifier = 0
|
|
, .translucent = 16 * 4
|
|
, .translucent_modifier = 0
|
|
, .punch_through = 0
|
|
};
|
|
|
|
holly.SOFTRESET = softreset::pipeline_soft_reset
|
|
| softreset::ta_soft_reset;
|
|
holly.SOFTRESET = 0;
|
|
|
|
core_init();
|
|
init_texture_memory(opb_size);
|
|
|
|
uint32_t frame_ix = 0;
|
|
|
|
uint32_t * command_buf = align_32byte(_command_buf);
|
|
uint32_t * receive_buf = align_32byte(_receive_buf);
|
|
struct button_state buttons[2] = { 0 };
|
|
struct editor_state state = { 0 };
|
|
// 01234567
|
|
char_type buf[64] = "abqb\neggs1\nbarley";
|
|
int32_t offsets[64];
|
|
gap_init_from_buf(state.gb, buf, 30, 17);
|
|
line_init_from_buf(state.gb, offsets, 64);
|
|
//gap_cursor_pos(state.gb, (-state.gb.gap_start) + 6);
|
|
//gap_append(state.gb, '\n');
|
|
|
|
ft6::data_transfer::data_format keyboards[2] = { 0 };
|
|
|
|
while (true) {
|
|
(void)buttons;
|
|
//do_get_condition(command_buf, receive_buf, buttons[frame_ix & 1]);
|
|
//update_state(buttons[(frame_ix + 1) & 1], buttons[frame_ix & 1], state);
|
|
do_get_condition_keyboard(command_buf, receive_buf, keyboards[frame_ix & 1]);
|
|
debug_keyboard(keyboards, frame_ix);
|
|
|
|
|
|
update_keyboard(keyboards, frame_ix, state.gb);
|
|
|
|
ta_polygon_converter_init(opb_size.total(),
|
|
ta_alloc,
|
|
640 / 32,
|
|
480 / 32);
|
|
|
|
auto parameter = ta_parameter_writer(ta_parameter_buf);
|
|
render_gap_buffer(parameter, font, glyphs, state.gb);
|
|
|
|
ta_polygon_converter_transfer(parameter.buf, parameter.offset);
|
|
ta_wait_opaque_list();
|
|
|
|
core_start_render(frame_ix);
|
|
core_wait_end_of_render_video();
|
|
|
|
while (!spg_status::vsync(holly.SPG_STATUS));
|
|
core_flip(frame_ix);
|
|
while (spg_status::vsync(holly.SPG_STATUS));
|
|
|
|
frame_ix = (frame_ix + 1) & 1;
|
|
}
|
|
}
|