Edit Infobox DS Homebrews: Lameboy

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Lameboy DS is a Gameboy and Gameboy Colour emulator for the NDS. ==Features== * High compatibility. * Full speed for many games. * Support for large games greater than 2 MB in size. * Zipped ROM support for games smaller than 2 MB. * Fast Mode with L-trigger. * Preliminary sound support. * Auto save on exit to menu. * RTC emulation. * Pseudo bilinear upscaling mode. * Super Game Boy borders and coloring support. * Rumble emulation with slot 2 devices with rumble. * Green color scheme option emulating original Game Boy color palette (green to very light green). * Configurable X/Y Keys. * Save states. * Main menu. ==Installation== Patch lameboy.nds file with proper [[DLDI|DLDI]] flash driver (unless your card firmware does it for you). Copy patched lameboy.nds to your flash device. Copy roms to any folder on the flash (default is lameboy). ==User guide== ===Menu Option=== '''Main:''' * Exit - Save RAM or state and exits to rom selction. * Continue - Hide menu (also A on top menu bar). * Save - Save RAM (.sav) or state (.lsX). * Load - Load state. * Delete state - Remove current save state slot. * State slot - Choose between save slots or simple RAM save. * Exit without save - Exit to rom selection. * Reset - Reset Game Boy. * X Y Keys - X/Y keys function. * L Key - Fast key type (classic / toggle). '''Emulation:''' * GBC - GameBoy Color emulation (Never - disable, If Needed - only in GBC exclusive games, Always - all games that support GBC). * SGB - Super GameBoy emulation. * Rumble - Enable rumble emulation (additional slot 2 hardware required). * Test rumble - Set rumble on for about 1s. '''Display:''' * GB Colors - Select color scheme for monochrome games. * Vertical Pan - Non scaled GB screen vertical position (useful with SGB borders). * Game Screen - Switch top/bottom DS screens function. * Scale - Select scaling mode. * Scaling Filter - Enable bilinear filtering. * Show FPS - Enable fps counter. '''Others:''' * Save Settings - Save menu settings. * Default Settings - Reset to default menu settings. ==Controls== '''Menu:''' Up/Down - Previus/next rom, Option Left/Right - Prevoius/next page, Change option A - Select B - Parent directory L/R - Change menu page '''In game:''' D-Pad/A/B/Start/Select - Game Boy keys X/Y - Configurable L - Fast mode (no frame sync and renders only every 8th frame) R or Stylus - Show menu ==Screenshots== https://dlhb.gamebrew.org/dshomebrew/lameboy2.png https://dlhb.gamebrew.org/dshomebrew/lameboy3.png ==Known issues== Graphical and aural glitches in both Harry Potter games for the GBC. Turns the power off sometimes when trying to save a state (only in Pokémon Crystal?). Pokémon Puzzle Challenge doesn't support speed up and flickers. ==Changelog== '''0.12''' * Fixed: better iterrupt timing (should fix Mario Land 2). * Fixed: multipacket SGB messages (fixes Pokemon R/G/B color overlays). * Added: backlight of the menu screen is turned off when not used. * Added: fullscreen scaling (ignores aspect ratio). '''0.11''' * Changed: optimized software renderer. * Changed: optimized cpu core. * Fixed: multiplayer pad reading in SGB games (Battle Arena Toshinden and others). '''0.10''' * Changed: updated devkitARM and associated libraries to r21. * Fixed: STOP opcode (fixes Konami Collection 2 JP & 4 JP). * Fixed: found and reverted patch that caused problem with pumpkin level in Mario Land 2. * Fixed: another change in interrupt handling to fix Monster Rancher Explorer. * Fixed: pallete change effects. * Fixed: interrupt enable register, fixes graphic glithes in Pokemon Pinball and Donkey Kong. * Fixed: DAA opcode flags. * Added: Super GameBoy borders and coloring support. * Added: rumble emulation with slot 2 rumble pak. * Added: menu. * Added: green color scheme for classic gb. * Added: configurable x/y key functions. * Added: save states. '''0.9''' * Fixed: joypad register emulation (fixes Wario Blast). * Fixed: GBC hdma (fixes Pokemon Crystal graphics). * Fixed: interrupt flags emulation (fixes Bouble Bobble). * Fixed: V-blank interrupt timing (fixes Altered Space). * Fixed: split window emulation (fixes Donkey Kong graphics). * Fixed: GB timer initialization (fixes Pokemon Pinball). * Added: fake serial interrupts (fixes many early games). * Added: RTC emulation. * Added: pseudo bilinear upscaling mode. '''0.8''' * Fixed: GBC speed change did not work for some games (like Mario Bros Deluxe). * Fixed: interrupt priority. * Fixed: corrected timers interrupt frequency. * Fixed: tile in foreground color 0 is transparent. * Added: preliminary sound emulation. * Added: auto save on exit to rom menu. '''0.7''' * Fixed: less interscreen video glitches. * Fixed: correct flag bits locations, helps Zelda Oracle of Ages. * Fixed: window size overflow, helps with menu in both Zelda Oracles. * Added: 60fps emulation speed sync. * Added: fast mode with L button. * Changed: cpu emulation optimizations, more games run fullspeed. '''0.5''' * Changed: new faster display method (with triple buffering), may cause visual glitches with games using pallette based effects. * Added: fps display. * Fixed(?): video modes emulation, helps for some games but messes with others. * Added: rom selection menu sorting, key repeat and position history. * Fixed: inverted GBC sprite priorities. '''0.4''' * Fix for Zelda Oracle hang after first screen. * Implemented GBC tile in foreground priority attribute (needed for Zelda Oracle). '''0.3''' * "ADD SP, #xx" instruction fix, (helps for many games including Pokemon Card 2). * CGB HDMA bug fixed. * MBC type 0x13 correctly recognized (now save works in Pokemon Red/Green/Blue). * Added some powersaving when NDS closed during emulation. '''0.2''' * Zipped rom support. ==External links== * Official website - http://lameboy.nutki.com

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