diff --git a/ports/tinygb/build.sh b/ports/tinygb/build.sh new file mode 100755 index 00000000..66c6ea7d --- /dev/null +++ b/ports/tinygb/build.sh @@ -0,0 +1,17 @@ +#!/bin/bash ../install.sh + +NAME='tinygb' +VERSION='git' +DOWNLOAD_URL="https://github.com/jewelcodes/tinygb.git#57fdaff675a6b5b963b2b6624868d9698eabe375" + +configure() { + : +} + +build() { + make -f Makefile.banan_os -j$(nproc) || exit 1 +} + +install() { + cp -v tinygb "$BANAN_SYSROOT"/usr/bin || exit 1 +} diff --git a/ports/tinygb/patches/0001-Add-support-for-banan-os.patch b/ports/tinygb/patches/0001-Add-support-for-banan-os.patch new file mode 100644 index 00000000..ee0d92f8 --- /dev/null +++ b/ports/tinygb/patches/0001-Add-support-for-banan-os.patch @@ -0,0 +1,422 @@ +From 3e565f7d35e842e246db3371776adae74d02ae62 Mon Sep 17 00:00:00 2001 +From: Bananymous +Date: Wed, 23 Apr 2025 13:10:38 +0300 +Subject: [PATCH] Add support for banan-os + +--- + Makefile.banan_os | 28 +++ + src/platform/banan-os/main.cpp | 365 +++++++++++++++++++++++++++++++ + src/platform/banan-os/main.cpp.o | Bin 0 -> 23536 bytes + 3 files changed, 393 insertions(+) + create mode 100644 Makefile.banan_os + create mode 100644 src/platform/banan-os/main.cpp + create mode 100644 src/platform/banan-os/main.cpp.o + +diff --git a/Makefile.banan_os b/Makefile.banan_os +new file mode 100644 +index 0000000..22e191e +--- /dev/null ++++ b/Makefile.banan_os +@@ -0,0 +1,28 @@ ++CC = $(BANAN_ARCH)-banan_os-gcc ++CXX = $(BANAN_ARCH)-banan_os-g++ ++LD = $(BANAN_ARCH)-banan_os-gcc ++ ++CFLAGS = -c -O2 -Isrc/include -Wall ++CXXFLAGS = --std=c++20 ++LDFLAGS = -O2 -lgui -linput ++ ++SRC := $(shell find src -name "*.c" -not -path 'src/platform/*') $(shell find src/platform/banan-os -name "*.c" -or -name "*.cpp") ++OBJ := $(addsuffix .o,$(SRC)) ++ ++all: tinygb ++ ++clean: ++ @rm -f $(OBJ) ++ @rm -f tinygb ++ ++%.c.o: %.c ++ @echo -e "\x1B[0;1;35m [ CC ]\x1B[0m $@" ++ $(CC) -o $@ $(CFLAGS) $< ++ ++%.cpp.o: %.cpp ++ @echo -e "\x1B[0;1;35m [ CC ]\x1B[0m $@" ++ $(CXX) -o $@ $(CFLAGS) $(CXXFLAGS) $< ++ ++tinygb: $(OBJ) ++ @echo -e "\x1B[0;1;36m [ LD ]\x1B[0m tinygb" ++ $(LD) $(OBJ) -o tinygb $(LDFLAGS) +diff --git a/src/platform/banan-os/main.cpp b/src/platform/banan-os/main.cpp +new file mode 100644 +index 0000000..e9c6a02 +--- /dev/null ++++ b/src/platform/banan-os/main.cpp +@@ -0,0 +1,365 @@ ++ ++/* tinygb - a tiny gameboy emulator ++ (c) 2022 by jewel */ ++ ++extern "C" { ++#include ++} ++ ++#include ++ ++#include ++#include ++#include ++ ++long rom_size; ++int scaling = 4; ++int frameskip = 0; // no skip ++ ++timing_t timing; ++char *rom_filename; ++ ++BAN::UniqPtr s_window; ++ ++// Key Config ++LibInput::Key key_a; ++LibInput::Key key_b; ++LibInput::Key key_start; ++LibInput::Key key_select; ++LibInput::Key key_up; ++LibInput::Key key_down; ++LibInput::Key key_left; ++LibInput::Key key_right; ++LibInput::Key key_throttle; ++ ++LibInput::Key get_key(const char* keyname) ++{ ++ if (keyname == nullptr); ++ else if (!strcmp("a", keyname)) return LibInput::Key::A; ++ else if (!strcmp("b", keyname)) return LibInput::Key::B; ++ else if (!strcmp("c", keyname)) return LibInput::Key::C; ++ else if (!strcmp("d", keyname)) return LibInput::Key::D; ++ else if (!strcmp("e", keyname)) return LibInput::Key::E; ++ else if (!strcmp("f", keyname)) return LibInput::Key::F; ++ else if (!strcmp("g", keyname)) return LibInput::Key::G; ++ else if (!strcmp("h", keyname)) return LibInput::Key::H; ++ else if (!strcmp("i", keyname)) return LibInput::Key::I; ++ else if (!strcmp("j", keyname)) return LibInput::Key::J; ++ else if (!strcmp("k", keyname)) return LibInput::Key::K; ++ else if (!strcmp("l", keyname)) return LibInput::Key::L; ++ else if (!strcmp("m", keyname)) return LibInput::Key::M; ++ else if (!strcmp("n", keyname)) return LibInput::Key::N; ++ else if (!strcmp("o", keyname)) return LibInput::Key::O; ++ else if (!strcmp("p", keyname)) return LibInput::Key::P; ++ else if (!strcmp("q", keyname)) return LibInput::Key::Q; ++ else if (!strcmp("r", keyname)) return LibInput::Key::R; ++ else if (!strcmp("s", keyname)) return LibInput::Key::S; ++ else if (!strcmp("t", keyname)) return LibInput::Key::T; ++ else if (!strcmp("u", keyname)) return LibInput::Key::U; ++ else if (!strcmp("v", keyname)) return LibInput::Key::V; ++ else if (!strcmp("w", keyname)) return LibInput::Key::W; ++ else if (!strcmp("x", keyname)) return LibInput::Key::X; ++ else if (!strcmp("y", keyname)) return LibInput::Key::Y; ++ else if (!strcmp("z", keyname)) return LibInput::Key::Z; ++ else if (!strcmp("0", keyname)) return LibInput::Key::_0; ++ else if (!strcmp("1", keyname)) return LibInput::Key::_1; ++ else if (!strcmp("2", keyname)) return LibInput::Key::_2; ++ else if (!strcmp("3", keyname)) return LibInput::Key::_3; ++ else if (!strcmp("4", keyname)) return LibInput::Key::_4; ++ else if (!strcmp("5", keyname)) return LibInput::Key::_5; ++ else if (!strcmp("6", keyname)) return LibInput::Key::_6; ++ else if (!strcmp("7", keyname)) return LibInput::Key::_7; ++ else if (!strcmp("8", keyname)) return LibInput::Key::_8; ++ else if (!strcmp("9", keyname)) return LibInput::Key::_9; ++ else if (!strcmp("up", keyname)) return LibInput::Key::ArrowUp; ++ else if (!strcmp("down", keyname)) return LibInput::Key::ArrowDown; ++ else if (!strcmp("left", keyname)) return LibInput::Key::ArrowLeft; ++ else if (!strcmp("right", keyname)) return LibInput::Key::ArrowRight; ++ else if (!strcmp("space", keyname)) return LibInput::Key::Space; ++ else if (!strcmp("rshift", keyname)) return LibInput::Key::RightShift; ++ else if (!strcmp("lshift", keyname)) return LibInput::Key::LeftShift; ++ else if (!strcmp("backspace", keyname)) return LibInput::Key::Backspace; ++ else if (!strcmp("delete", keyname)) return LibInput::Key::Delete; ++ else if (!strcmp("tab", keyname)) return LibInput::Key::Tab; ++ else if (!strcmp("escape", keyname)) return LibInput::Key::Escape; ++ else if (!strcmp("exclamation", keyname)) return LibInput::Key::ExclamationMark; ++ else if (!strcmp("at", keyname)) return LibInput::Key::AtSign; ++ else if (!strcmp("hash", keyname)) return LibInput::Key::Hashtag; ++ else if (!strcmp("dollar", keyname)) return LibInput::Key::Dollar; ++ else if (!strcmp("percent", keyname)) return LibInput::Key::Percent; ++ else if (!strcmp("caret", keyname)) return LibInput::Key::Caret; ++ else if (!strcmp("ampersand", keyname)) return LibInput::Key::Ampersand; ++ else if (!strcmp("asterisk", keyname)) return LibInput::Key::Asterix; ++ else if (!strcmp("leftparenthesis", keyname)) return LibInput::Key::OpenParenthesis; ++ else if (!strcmp("rightparenthesis", keyname)) return LibInput::Key::CloseParenthesis; ++ ++ return LibInput::Key::None; ++} ++ ++static void load_keys() ++{ ++ key_a = get_key(config_file.a); ++ if (key_a == LibInput::Key::None) ++ key_a = LibInput::Key::Z; ++ ++ key_b = get_key(config_file.b); ++ if (key_b == LibInput::Key::None) ++ key_b = LibInput::Key::X; ++ ++ key_start = get_key(config_file.start); ++ if (key_start == LibInput::Key::None) ++ key_start = LibInput::Key::Enter; ++ ++ key_select = get_key(config_file.select); ++ if (key_select == LibInput::Key::None) ++ key_select = LibInput::Key::RightShift; ++ ++ key_up = get_key(config_file.up); ++ if (key_up == LibInput::Key::None) ++ key_up = LibInput::Key::ArrowUp; ++ ++ key_down = get_key(config_file.down); ++ if (key_down == LibInput::Key::None) ++ key_down = LibInput::Key::ArrowDown; ++ ++ key_left = get_key(config_file.left); ++ if (key_left == LibInput::Key::None) ++ key_left = LibInput::Key::ArrowLeft; ++ ++ key_right = get_key(config_file.right); ++ if (key_right == LibInput::Key::None) ++ key_right = LibInput::Key::ArrowRight; ++ ++ key_throttle = get_key(config_file.throttle); ++ if (key_throttle == LibInput::Key::None) ++ key_throttle = LibInput::Key::Space; ++} ++ ++void delay(int ms) ++{ ++ const timespec ts { ++ .tv_sec = static_cast(ms / 1000), ++ .tv_nsec = (ms % 1000) * 1000000 ++ }; ++ nanosleep(&ts, nullptr); ++} ++ ++void destroy_window() ++{ ++ s_window.clear(); ++} ++ ++void update_window(uint32_t *framebuffer) ++{ ++ for (int i = 0; i < scaled_h; i++) ++ { ++ uint32_t* src = &framebuffer[i * scaled_w]; ++ uint32_t* dst = using_sgb_border ++ ? &s_window->pixels()[(i + gb_y) * s_window->width() + gb_x] ++ : &s_window->pixels()[i * s_window->width()]; ++ memcpy(dst, src, scaled_w * 4); ++ } ++ ++ if (framecount > frameskip) ++ { ++ s_window->invalidate(); ++ framecount = 0; ++ drawn_frames++; ++ } ++} ++ ++void update_border(uint32_t *framebuffer) ++{ ++ for (int i = 0; i < sgb_scaled_h; i++) ++ { ++ uint32_t* src = &framebuffer[i * sgb_scaled_w]; ++ uint32_t* dst = &s_window->pixels()[i * s_window->width()]; ++ memcpy(dst, src, sgb_scaled_w*4); ++ } ++} ++ ++void resize_sgb_window() ++{ ++ s_window->request_resize(SGB_WIDTH * scaling, SGB_HEIGHT * scaling); ++ ++ bool resized { false }; ++ s_window->set_resize_window_event_callback([&]() { resized = true; }); ++ while (!resized) ++ s_window->poll_events(); ++ s_window->set_resize_window_event_callback({}); ++ ++ ASSERT(s_window->width() == static_cast(SGB_WIDTH * scaling)); ++ ASSERT(s_window->height() == static_cast(SGB_HEIGHT * scaling)); ++} ++ ++int main(int argc, char **argv) ++{ ++ if(argc != 2) ++ { ++ fprintf(stdout, "usage: %s rom_name\n", argv[0]); ++ return 1; ++ } ++ ++ rom_filename = argv[1]; ++ ++ open_log(); ++ open_config(); ++ load_keys(); ++ ++ // open the rom ++ FILE* rom_file = fopen(rom_filename, "r"); ++ if (rom_file == nullptr) ++ { ++ write_log("unable to open %s for reading: %s\n", rom_filename, strerror(errno)); ++ return 1; ++ } ++ ++ fseek(rom_file, 0L, SEEK_END); ++ rom_size = ftell(rom_file); ++ fseek(rom_file, 0L, SEEK_SET); ++ ++ write_log("loading rom from file %s, %d KiB\n", rom_filename, rom_size / 1024); ++ ++ rom = malloc(rom_size); ++ if (rom == nullptr) ++ { ++ write_log("unable to allocate memory\n"); ++ fclose(rom_file); ++ return 1; ++ } ++ ++ if (fread(rom, 1, rom_size, rom_file) <= 0) ++ { ++ write_log("an error occured while reading from rom file: %s\n", strerror(errno)); ++ fclose(rom_file); ++ free(rom); ++ return 1; ++ } ++ ++ fclose(rom_file); ++ ++ if (auto ret = LibGUI::Window::create(GB_WIDTH * scaling, GB_HEIGHT * scaling, "tinygb"_sv); !ret.is_error()) ++ s_window = ret.release_value(); ++ else ++ { ++ write_log("couldn't create SDL window: %s\n", ret.error().get_message()); ++ free(rom); ++ return 1; ++ } ++ ++ s_window->set_key_event_callback([](LibGUI::EventPacket::KeyEvent::event_t event) { ++ int key = 0; ++ if (event.key == key_left) ++ key = JOYPAD_LEFT; ++ else if (event.key == key_right) ++ key = JOYPAD_RIGHT; ++ else if (event.key == key_up) ++ key = JOYPAD_UP; ++ else if (event.key == key_down) ++ key = JOYPAD_DOWN; ++ else if (event.key == key_a) ++ key = JOYPAD_A; ++ else if (event.key == key_b) ++ key = JOYPAD_B; ++ else if (event.key == key_start) ++ key = JOYPAD_START; ++ else if (event.key == key_select) ++ key = JOYPAD_SELECT; ++ else if (event.key == key_throttle) ++ throttle_enabled = event.released(); ++ else if (event.pressed() && (event.key == LibInput::Key::Plus || event.key == LibInput::Key::Equals)) ++ next_palette(); ++ else if (event.pressed() && (event.key == LibInput::Key::Hyphen)) ++ prev_palette(); ++ ++ if (key) ++ joypad_handle(event.pressed(), key); ++ }); ++ ++ // start emulation ++ memory_start(); ++ cpu_start(); ++ display_start(); ++ timer_start(); ++ sound_start(); ++ ++ time_t rawtime; ++ struct tm *timeinfo; ++ int sec = 500; // any invalid number ++ int percentage; ++ int throttle_underflow = 0; ++ int throttle_target = throttle_lo + SPEED_ALLOWANCE; ++ ++ for (;;) ++ { ++ s_window->poll_events(); ++ ++ for (timing.current_cycles = 0; timing.current_cycles < timing.main_cycles;) ++ { ++ cpu_cycle(); ++ display_cycle(); ++ timer_cycle(); ++ } ++ ++ time(&rawtime); ++ timeinfo = localtime(&rawtime); ++ ++ if (sec != timeinfo->tm_sec) ++ { ++ sec = timeinfo->tm_sec; ++ percentage = (drawn_frames * 1000) / 597; ++ ++ // adjust cpu throttle according to acceptable fps (98%-102%) ++ if (throttle_enabled){ ++ if(percentage < throttle_lo) { ++ // emulation is too slow ++ if(!throttle_time) { ++ // throttle_time--; ++ ++ if(!throttle_underflow) { ++ throttle_underflow = 1; ++ write_log("WARNING: CPU throttle interval has underflown, emulation may be too slow\n"); ++ } ++ } else { ++ //write_log("too slow; decreasing throttle time: %d\n", throttle_time); ++ ++ // this will speed up the speed adjustments for a more natural feel ++ if(percentage < (throttle_target/3)) throttle_time /= 3; ++ else if(percentage < (throttle_target/2)) throttle_time /= 2; ++ else throttle_time--; ++ } ++ ++ // prevent this from going too low ++ if(throttle_time <= (THROTTLE_THRESHOLD/3)) { ++ cycles_per_throttle += (cycles_per_throttle/5); // delay 20% less often ++ throttle_time = (THROTTLE_THRESHOLD/3); ++ } ++ } else if(percentage > throttle_hi) { ++ // emulation is too fast ++ //write_log("too fast; increasing throttle time: %d\n", throttle_time); ++ ++ if(throttle_time) { ++ // to make sure we're not multiplying zero ++ if(percentage > (throttle_target*3)) throttle_time *= 3; ++ else if(percentage > (throttle_target*2)) throttle_time *= 2; ++ else throttle_time++; ++ } ++ else { ++ throttle_time++; ++ } ++ ++ // prevent unnecessary lag ++ if(throttle_time > THROTTLE_THRESHOLD) { ++ cycles_per_throttle -= (cycles_per_throttle/5); // delay 20% more often ++ throttle_time = THROTTLE_THRESHOLD; ++ } ++ } ++ } ++ ++ drawn_frames = 0; ++ } ++ } ++ ++ die(0, ""); ++ return 0; ++} +-- +2.49.0 +