examples/PoolBox/application/src/font_writer.cpp

@@ -20,7 +20,7 @@ namespace FontWriter {
         JabyEngine::GlobalFontPrimitivePool::setup(font_buffer);
 
         new_font_writer.setup(LibraryFontTIM, JabyEngine::DefaultFont::Info);
-        bios_font_writer.setup(LibraryFontTIM, JabyEngine::DefaultFont::Info);//(JabyEngine::BIOSFont::TIM, JabyEngine::BIOSFont::Info);
+        bios_font_writer.setup(JabyEngine::BIOSFont::TIM, JabyEngine::BIOSFont::Info);
         timer.reset();
     }
 

src/Library/src/BootLoader/BIOSFont/ascii_bios_font.hpp

@@ -66,7 +66,7 @@ namespace JabyEngine {
                 GPU::internal::DMA::Receive::prepare();
                 load_special_chars(start_pos, Specials);
                 load_alpha_num(start_pos, AlphaNumeric);
-                font_buffer.flush();
+                font_buffer.shutdown();
             }
         }
     }

src/Library/src/BootLoader/BIOSFont/bios_font_types.hpp

@@ -1,4 +1,5 @@
 #pragma once
+#include "../../../internal-include/GPU/gpu_internal.hpp"
 #include <PSX/GPU/gpu_auto_load_font.hpp>
 
 namespace JabyEngine {
@@ -30,60 +31,50 @@ namespace JabyEngine {
                 };
 
                 // Letters are actually only 16x15 but should be treated 16x16
-                // FIXME: This is to big for Linked Lists. Maybe we do not buffer this at all? Or just double buffer it?
+                struct Letter {
-                struct Letter /*: public GPU::internal::LinkedElementCreator<Letter>*/ {
+                    PositionU16 position; 
-                    CPU2VRAM cmd;
                     Line        lines[BIOS_Font::Size.height - 1];
                     Line        empty_line;
 
-                    void setup(const SizeU16& size) {
+                    void setup() {
-                        this->cmd.cmd  = GPU_IO::Command::CPU2VRAM_Blitting();
-                        this->cmd.size = GPU_IO::Command::WidthHeight(size);
                         this->empty_line.load(0);
                     }
 
                     void load_to(const PositionU16& pos, const uint16_t* bit_map) {
-                        this->cmd.pos = GPU_IO::Command::TopLeftPosition(pos);
+                        this->position = pos;
                         for(auto& cur_line : this->lines) {
                             cur_line.load(__builtin_bswap16(*bit_map++));
                         }
                     }
                 };
 
-                //     v ::Linked     v double buffer do not change size without adjusting
+                //                    v double buffer do not change size without adjusting
-                Letter  letter_buffer[2*4];
+                Letter  letter_buffer[2];
                 uint8_t         free_idx;
 
                 void setup() {
                     for(auto& letter : this->letter_buffer) {
-                        letter.setup(SizeU16::create(16/4, 16));
+                        letter.setup();
-                        //letter.set_link_identitiy();
                     }
                     this->free_idx = 0;
+                    GPU::internal::DMA::Receive::prepare();
+                }
+
+                void shutdown() {
+                    GPU::internal::DMA::wait();
+                    GPU::internal::DMA::end();
                 }
 
                 void load_to(const PositionU16& pos, const uint16_t* bit_map) {
-                    auto& cur_letter = this->letter_buffer[this->free_idx++];
+                    auto& cur_letter = this->letter_buffer[this->free_idx];
+                    this->free_idx ^= 1;
 
                     cur_letter.load_to(pos, bit_map);
-                    if((this->free_idx&0x3) == 0) {
+                    GPU::internal::DMA::wait();
-                        //cur_letter.terminate();
+                    GPU::internal::DMA::Receive::set_src(reinterpret_cast<uintptr_t>(cur_letter.lines));
-                        //GPU::render(this->letter_buffer[this->free_idx - 4]);
+                    //                                                                         v 4 Pixel per byte
-                        this->free_idx &= ~0x7;
+                    GPU::internal::DMA::Receive::set_dst(cur_letter.position, SizeU16::create(16/4, 16));
-                    }
+                    GPU::internal::DMA::Receive::start(sizeof(Line) >> 2);
-
-                    else {
-                        //cur_letter.concat(this->letter_buffer[this->free_idx]);
-                    }
-                }
-
-                void flush() {
-                    if((this->free_idx&0x3) != 0) {
-                        //this->letter_buffer[this->free_idx - 1].terminate();
-
-                        const auto idx = this->free_idx > 3 ? 4 : 0;
-                        //GPU::render(this->letter_buffer[idx]);
-                    }
                 }
 
                 static PositionU16 vram_offset(uint16_t tile_id) {

src/Library/src/BootLoader/start_boot.cpp

@@ -112,11 +112,11 @@ namespace JabyEngine {
                 static constexpr auto DebugY     = 0;
                 static constexpr auto DebugScale = 1.0;
 
-                __debug_boot_color_at(::JabyEngine::GPU::Color24::White(), DebugX, DebugY, DebugScale);
+                __debug_boot_color_at(::JabyEngine::GPU::Color24::Grey(), DebugX, DebugY, DebugScale);
-                Periphery::setup();
+                enable_DMA();
 
                 __debug_boot_color_at(::JabyEngine::GPU::Color24::White(), DebugX, DebugY, DebugScale);
-                enable_DMA();
+                Periphery::setup();
 
                 __debug_boot_color_at(::JabyEngine::GPU::Color24::Red(), DebugX, DebugY, DebugScale);
                 SPU::stop_voices();