mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
beginnings for Pandora support
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@558 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
6bae2e90d4
commit
3a3947cd90
7 changed files with 931 additions and 13 deletions
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@ -76,4 +76,46 @@ void menu_draw_end(void);
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#define darken_screen() \
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menu_darken_bg(psp_screen, psp_screen, SCREEN_WIDTH*SCREEN_HEIGHT, 0)
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// ------------------------------------
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#elif defined(PANDORA)
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// TODO
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#include "../gp2x/gp2x.h"
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#define BTN_UP 0
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#define BTN_DOWN 0
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#define BTN_LEFT 0
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#define BTN_RIGHT 0
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#define BTN_NORTH 0
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#define BTN_SOUTH 0
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#define BTN_WEST 0
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#define BTN_EAST 0
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#define BTN_L 0
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#define BTN_R 0
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unsigned long wait_for_input(unsigned long interesting);
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void gp2x_pd_clone_buffer2(void);
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void menu_darken_bg(void *dst, int pixels, int darker);
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void menu_flip(void);
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#define SCREEN_WIDTH 320
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#define SCREEN_HEIGHT 240
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#define SCREEN_BUFFER gp2x_screen
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#define read_buttons(which) \
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wait_for_input(which)
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#define read_buttons_async(which) \
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(gp2x_joystick_read(0) & (which))
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#define menu_draw_begin() \
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gp2x_pd_clone_buffer2()
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#define clear_screen() \
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memset(gp2x_screen, 0, 320*240*2)
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#define darken_screen() \
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menu_darken_bg(gp2x_screen, 320*240, 0)
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#define menu_draw_end() \
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menu_flip()
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#endif
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@ -15,25 +15,13 @@
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#include "fonts.h"
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#include "lprintf.h"
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#include "config.h"
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#include "common.h"
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#include <Pico/PicoInt.h>
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#include <Pico/Patch.h>
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#include <Pico/cd/cue.h>
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#include <zlib/zlib.h>
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#if defined(__GP2X__)
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#include "../gp2x/gp2x.h"
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#define SCREEN_WIDTH 320
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#define SCREEN_BUFFER gp2x_screen
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#elif defined(__GIZ__)
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#include "../gizmondo/giz.h"
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#define SCREEN_WIDTH 321
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#define SCREEN_BUFFER giz_screen
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#elif defined(PSP)
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#include "../psp/psp.h"
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#define SCREEN_WIDTH 512
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#define SCREEN_BUFFER psp_screen
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#endif
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char *PicoConfigFile = "config.cfg";
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currentConfig_t currentConfig, defaultConfig;
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238
platform/pandora/Makefile
Normal file
238
platform/pandora/Makefile
Normal file
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@ -0,0 +1,238 @@
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export CROSS = arm-none-linux-gnueabi-
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# settings
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#mz80 = 1
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#debug_cyclone = 1
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asm_memory = 1
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asm_render = 1
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asm_ym2612 = 1
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asm_misc = 1
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asm_cdpico = 1
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asm_cdmemory = 1
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amalgamate = 0
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#profile = 1
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#use_musashi = 1
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#up = 1
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ifeq "$(debug_cyclone)" "1"
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use_cyclone = 1
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use_musashi = 1
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endif
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ifeq "$(use_musashi)" "1"
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asm_cdpico = 0
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asm_memory = 0
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asm_cdmemory = 0
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else
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use_cyclone = 1
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endif
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DEFINC = -I../.. -I. -DARM -DPANDORA
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COPT_COMMON = -static -Wall -Winline
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ifeq ($(DEBUG),)
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COPT_COMMON += -O3 -ftracer -fstrength-reduce -fomit-frame-pointer -fstrict-aliasing -ffast-math
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else
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COPT_COMMON += -ggdb
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endif
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ifeq "$(profile)" "1"
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COPT_COMMON += -fprofile-generate
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endif
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ifeq "$(profile)" "2"
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COPT_COMMON += -fprofile-use
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endif
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COPT = $(COPT_COMMON)
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ASOPT =
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GCC = $(CROSS)gcc
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STRIP = $(CROSS)strip
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AS = $(CROSS)as
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LD = $(CROSS)ld
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OBJCOPY = $(CROSS)objcopy
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# frontend
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OBJS += pandora.o main.o platform/gp2x/menu.o platform/gp2x/usbjoy.o platform/gp2x/emu.o
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# common
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OBJS += platform/common/emu.o platform/common/menu.o platform/common/fonts.o platform/common/config.o \
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platform/common/arm_utils.o platform/common/mp3_helix.o # platform/common/readpng.o
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# Pico
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ifeq "$(amalgamate)" "1"
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OBJS += ../../PicoAll.o
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else
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OBJS += Pico/Area.o Pico/Cart.o Pico/Memory.o Pico/Misc.o Pico/Pico.o Pico/Sek.o \
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Pico/VideoPort.o Pico/Draw2.o Pico/Draw.o Pico/Patch.o Pico/Debug.o
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# Pico - CD
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OBJS += Pico/cd/Pico.o Pico/cd/Memory.o Pico/cd/Sek.o Pico/cd/LC89510.o \
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Pico/cd/cd_sys.o Pico/cd/cd_file.o Pico/cd/cue.o Pico/cd/gfx_cd.o \
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Pico/cd/Area.o Pico/cd/Misc.o Pico/cd/pcm.o Pico/cd/buffering.o
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endif
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# Pico - Pico
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OBJS += Pico/Pico/Pico.o Pico/Pico/Memory.o Pico/Pico/xpcm.o
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# Pico - carthw
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OBJS += Pico/carthw/carthw.o Pico/carthw/svp/svp.o Pico/carthw/svp/Memory.o \
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Pico/carthw/svp/ssp16.o Pico/carthw/svp/compiler.o Pico/carthw/svp/stub_arm.o
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# asm stuff
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ifeq "$(asm_render)" "1"
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DEFINC += -D_ASM_DRAW_C
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OBJS += Pico/draw_asm.o Pico/draw2_asm.o
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endif
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ifeq "$(asm_memory)" "1"
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DEFINC += -D_ASM_MEMORY_C
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OBJS += Pico/memory_asm.o
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endif
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ifeq "$(asm_ym2612)" "1"
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DEFINC += -D_ASM_YM2612_C
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OBJS += Pico/sound/ym2612_asm.o
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endif
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ifeq "$(asm_misc)" "1"
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DEFINC += -D_ASM_MISC_C
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OBJS += Pico/misc_asm.o
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OBJS += Pico/cd/misc_asm.o
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endif
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ifeq "$(asm_cdpico)" "1"
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DEFINC += -D_ASM_CD_PICO_C
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OBJS += Pico/cd/pico_asm.o
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endif
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ifeq "$(asm_cdmemory)" "1"
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DEFINC += -D_ASM_CD_MEMORY_C
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OBJS += Pico/cd/memory_asm.o
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endif
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# Pico - sound
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ifneq "$(amalgamate)" "1"
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OBJS += Pico/sound/sound.o
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endif
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OBJS += Pico/sound/mix_asm.o
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OBJS += Pico/sound/sn76496.o Pico/sound/ym2612.o
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# zlib
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OBJS += zlib/gzio.o zlib/inffast.o zlib/inflate.o zlib/inftrees.o zlib/trees.o \
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zlib/deflate.o zlib/crc32.o zlib/adler32.o zlib/zutil.o zlib/compress.o
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# unzip
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OBJS += unzip/unzip.o unzip/unzip_stream.o
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# debug
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ifeq "$(debug_cyclone)" "1"
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OBJS += Pico/DebugCPU.o cpu/musashi/m68kdasm.o
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endif
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# CPU cores
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ifeq "$(use_musashi)" "1"
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DEFINC += -DEMU_M68K
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OBJS += cpu/musashi/m68kops.o cpu/musashi/m68kcpu.o
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endif
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ifeq "$(use_cyclone)" "1"
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DEFINC += -DEMU_C68K
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OBJS += cpu/Cyclone/proj/Cyclone.o cpu/Cyclone/tools/idle.o
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endif
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# drz80/mz80
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ifeq "$(mz80)" "1"
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DEFINC += -D_USE_MZ80
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OBJS += cpu/mz80/mz80.o
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else
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DEFINC += -D_USE_DRZ80
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OBJS += cpu/DrZ80/drz80.o
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endif
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vpath %.c = ../..
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vpath %.s = ../..
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vpath %.S = ../..
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DIRS = platform platform/gp2x platform/common Pico Pico/cd Pico/Pico Pico/sound Pico/carthw/svp \
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zlib unzip cpu cpu/musashi cpu/Cyclone/proj cpu/Cyclone/tools cpu/mz80 cpu/DrZ80
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all: mkdirs PicoDrive
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PicoDrive : $(OBJS) ../common/helix/helix_mp3.a
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@echo ">>>" $@
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$(GCC) -o $@ $(COPT) $^ -lm -Wl,-Map=PicoDrive.map # -lpng
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ifeq ($(DEBUG),)
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$(STRIP) $@
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endif
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# cleanup
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clean: tidy
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$(RM) PicoDrive
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tidy:
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$(RM) $(OBJS)
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# rm -rf $(DIRS) # don't clean, gcda may be there
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# @make -C ../../cpu/Cyclone/proj -f Makefile.linux clean
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clean_prof:
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find ../.. -name '*.gcno' -delete
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find ../.. -name '*.gcda' -delete
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mkdirs:
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mkdir -p $(DIRS)
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.c.o:
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@echo ">>>" $<
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$(GCC) $(COPT) $(DEFINC) -c $< -o $@
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.s.o:
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@echo ">>>" $<
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$(GCC) $(COPT) $(DEFINC) -c $< -o $@
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.S.o:
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@echo ">>>" $<
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$(GCC) $(COPT) $(DEFINC) -c $< -o $@
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Pico/carthw/svp/compiler.o : ../../Pico/carthw/svp/ssp16.o ../../Pico/carthw/svp/gen_arm.c
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Pico/draw_asm.o : ../../Pico/Draw.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/draw2_asm.o : ../../Pico/Draw2.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/memory_asm.o : ../../Pico/Memory.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/sound/ym2612_asm.o : ../../Pico/sound/ym2612.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/sound/mix_asm.o : ../../Pico/sound/mix.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/misc_asm.o : ../../Pico/Misc.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/cd/pico_asm.o : ../../Pico/cd/Pico.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/cd/memory_asm.o : ../../Pico/cd/Memory.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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Pico/cd/misc_asm.o : ../../Pico/cd/Misc.s
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@echo ">>>" $<
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$(AS) $(ASOPT) $< -o $@
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# build Cyclone
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../../cpu/Cyclone/proj/Cyclone.s :
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@echo building Cyclone...
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@make -C ../../cpu/Cyclone/proj CONFIG_FILE=config_pico.h
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../../cpu/musashi/m68kops.c :
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@make -C ../../cpu/musashi
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Pico/Pico.o Pico/cd/Pico.o: ../../Pico/PicoFrameHints.c ../../Pico/PicoInt.h
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Pico/Memory.o Pico/cd/Memory.o : ../../Pico/MemoryCmn.c ../../Pico/PicoInt.h
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# build helix libs
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../common/helix/helix_mp3.a:
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make -C ../common/helix
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readme.txt: ../../tools/textfilter ../base_readme.txt
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../../tools/textfilter ../base_readme.txt $@ GP2X
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../../tools/textfilter: ../../tools/textfilter.c
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make -C ../../tools/ textfilter
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# ----------- release -----------
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ifneq ($(findstring rel,$(MAKECMDGOALS)),)
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$(error TODO)
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ifeq ($(VER),)
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$(error need VER)
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endif
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endif
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132
platform/pandora/main.c
Normal file
132
platform/pandora/main.c
Normal file
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@ -0,0 +1,132 @@
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// (c) Copyright 2006 notaz, All rights reserved.
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// Free for non-commercial use.
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// For commercial use, separate licencing terms must be obtained.
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <strings.h>
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#include <linux/limits.h>
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#include "../gp2x/gp2x.h"
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#include "../gp2x/menu.h"
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#include "../common/menu.h"
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#include "../common/emu.h"
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#include "../common/config.h"
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#include "../gp2x/emu.h"
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#include "../gp2x/version.h"
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extern char *ext_menu, *ext_state;
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extern int select_exits;
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extern char *PicoConfigFile;
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int mmuhack_status = 0; // TODO rm
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char **g_argv;
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void parse_cmd_line(int argc, char *argv[])
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{
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int x, unrecognized = 0;
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for(x = 1; x < argc; x++)
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{
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if(argv[x][0] == '-')
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{
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if(strcasecmp(argv[x], "-menu") == 0) {
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if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */
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}
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else if(strcasecmp(argv[x], "-state") == 0) {
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if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */
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}
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else if(strcasecmp(argv[x], "-config") == 0) {
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if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; }
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}
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else if(strcasecmp(argv[x], "-selectexit") == 0) {
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select_exits = 1;
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}
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else {
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unrecognized = 1;
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break;
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}
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} else {
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/* External Frontend: ROM Name */
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FILE *f;
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strncpy(romFileName, argv[x], PATH_MAX);
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romFileName[PATH_MAX-1] = 0;
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f = fopen(romFileName, "rb");
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if (f) fclose(f);
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else unrecognized = 1;
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engineState = PGS_ReloadRom;
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break;
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}
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}
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if (unrecognized) {
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printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006-2008\n");
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printf("usage: %s [options] [romfile]\n", argv[0]);
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printf( "options:\n"
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"-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"
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"-state <param> pass '-state param' to the menu program\n"
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"-config <file> use specified config file instead of default 'picoconfig.bin'\n"
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" see currentConfig_t structure in emu.h for the file format\n"
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"-selectexit pressing SELECT will exit the emu and start 'menu_path'\n");
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}
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}
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int main(int argc, char *argv[])
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{
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g_argv = argv;
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emu_prepareDefaultConfig();
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emu_ReadConfig(0, 0);
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config_readlrom(PicoConfigFile);
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gp2x_init();
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emu_Init();
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menu_init();
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engineState = PGS_Menu;
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if (argc > 1)
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parse_cmd_line(argc, argv);
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for (;;)
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{
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switch (engineState)
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{
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case PGS_Menu:
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menu_loop();
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break;
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case PGS_ReloadRom:
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if (emu_ReloadRom())
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engineState = PGS_Running;
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else {
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printf("PGS_ReloadRom == 0\n");
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engineState = PGS_Menu;
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}
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break;
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case PGS_RestartRun:
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engineState = PGS_Running;
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case PGS_Running:
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emu_Loop();
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break;
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case PGS_Quit:
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goto endloop;
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default:
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printf("engine got into unknown state (%i), exitting\n", engineState);
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goto endloop;
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}
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}
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endloop:
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emu_Deinit();
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return 0;
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}
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477
platform/pandora/pandora.c
Normal file
477
platform/pandora/pandora.c
Normal file
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@ -0,0 +1,477 @@
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/**
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* All this is mostly based on rlyeh's minimal library.
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* Copied here to review all his code and understand what's going on.
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**/
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/*
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|
||||
GP2X minimal library v0.A by rlyeh, (c) 2005. emulnation.info@rlyeh (swap it!)
|
||||
|
||||
Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-)
|
||||
|
||||
License
|
||||
=======
|
||||
|
||||
Free for non-commercial projects (it would be nice receiving a mail from you).
|
||||
Other cases, ask me first.
|
||||
|
||||
GamePark Holdings is not allowed to use this library and/or use parts from it.
|
||||
|
||||
*/
|
||||
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/soundcard.h>
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include "../gp2x/gp2x.h"
|
||||
#include "../gp2x/usbjoy.h"
|
||||
#include "../common/arm_utils.h"
|
||||
|
||||
volatile unsigned short *gp2x_memregs;
|
||||
//static
|
||||
volatile unsigned long *gp2x_memregl;
|
||||
static void *gp2x_screens[4];
|
||||
static int screensel = 0;
|
||||
//static
|
||||
int memdev = 0;
|
||||
static int sounddev = -1, mixerdev = -1, touchdev = -1;
|
||||
static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };
|
||||
|
||||
void *gp2x_screen;
|
||||
|
||||
#define FRAMEBUFF_WHOLESIZE (0x30000*4) // 320*240*2 + some more
|
||||
#define FRAMEBUFF_ADDR0 (0x4000000-FRAMEBUFF_WHOLESIZE)
|
||||
#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0+0x30000)
|
||||
#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1+0x30000)
|
||||
#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2+0x30000)
|
||||
|
||||
static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };
|
||||
static int gp2x_screenaddrs_use[4];
|
||||
static unsigned short gp2x_screenaddr_old[4];
|
||||
|
||||
|
||||
/* video stuff */
|
||||
void gp2x_video_flip(void)
|
||||
{
|
||||
unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3];
|
||||
unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16);
|
||||
|
||||
gp2x_memregs[0x2910>>1] = msw;
|
||||
gp2x_memregs[0x2914>>1] = msw;
|
||||
gp2x_memregs[0x290E>>1] = lsw;
|
||||
gp2x_memregs[0x2912>>1] = lsw;
|
||||
|
||||
// jump to other buffer:
|
||||
gp2x_screen = gp2x_screens[++screensel&3];
|
||||
}
|
||||
|
||||
/* doulblebuffered flip */
|
||||
void gp2x_video_flip2(void)
|
||||
{
|
||||
unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16);
|
||||
|
||||
gp2x_memregs[0x2910>>1] = msw;
|
||||
gp2x_memregs[0x2914>>1] = msw;
|
||||
gp2x_memregs[0x290E>>1] = 0;
|
||||
gp2x_memregs[0x2912>>1] = 0;
|
||||
|
||||
// jump to other buffer:
|
||||
gp2x_screen = gp2x_screens[++screensel&1];
|
||||
}
|
||||
|
||||
|
||||
void gp2x_video_changemode2(int bpp)
|
||||
{
|
||||
gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/
|
||||
gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); /*line width in bytes*/
|
||||
}
|
||||
|
||||
|
||||
void gp2x_video_changemode(int bpp)
|
||||
{
|
||||
gp2x_video_changemode2(bpp);
|
||||
|
||||
gp2x_memset_all_buffers(0, 0, 320*240*2);
|
||||
gp2x_video_flip();
|
||||
}
|
||||
|
||||
|
||||
void gp2x_video_setpalette(int *pal, int len)
|
||||
{
|
||||
unsigned short *g=(unsigned short *)pal;
|
||||
volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1];
|
||||
gp2x_memregs[0x2958>>1] = 0;
|
||||
|
||||
len *= 2;
|
||||
while(len--) *memreg=*g++;
|
||||
}
|
||||
|
||||
|
||||
// TV Compatible function //
|
||||
void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)
|
||||
{
|
||||
float escalaw, escalah;
|
||||
int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3;
|
||||
unsigned short scalw;
|
||||
|
||||
// set offset
|
||||
gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp;
|
||||
gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp;
|
||||
gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp;
|
||||
gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp;
|
||||
|
||||
escalaw = 1024.0; // RGB Horiz LCD
|
||||
escalah = 320.0; // RGB Vert LCD
|
||||
|
||||
if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out
|
||||
{
|
||||
escalaw=489.0; // RGB Horiz TV (PAL, NTSC)
|
||||
if (gp2x_memregs[0x2818>>1] == 287) //PAL
|
||||
escalah=274.0; // RGB Vert TV PAL
|
||||
else if (gp2x_memregs[0x2818>>1] == 239) //NTSC
|
||||
escalah=331.0; // RGB Vert TV NTSC
|
||||
}
|
||||
|
||||
// scale horizontal
|
||||
scalw = (unsigned short)((float)escalaw *(W/320.0));
|
||||
/* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */
|
||||
if (H != 240 && W == 320) scalw--;
|
||||
gp2x_memregs[0x2906>>1]=scalw;
|
||||
// scale vertical
|
||||
gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0));
|
||||
}
|
||||
|
||||
|
||||
void gp2x_video_wait_vsync(void)
|
||||
{
|
||||
unsigned short v = gp2x_memregs[0x1182>>1];
|
||||
while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024);
|
||||
}
|
||||
|
||||
|
||||
void gp2x_video_flush_cache(void)
|
||||
{
|
||||
// since we are using the mmu hack, we must flush the cache first
|
||||
// (the params are most likely wrong, but they seem to work somehow)
|
||||
//flushcache(addr, addr + 320*240*2, 0);
|
||||
flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);
|
||||
}
|
||||
|
||||
|
||||
void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
|
||||
{
|
||||
char *dst;
|
||||
if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
|
||||
if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
|
||||
if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
|
||||
if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
|
||||
}
|
||||
|
||||
|
||||
void gp2x_memcpy_all_buffers(void *data, int offset, int len)
|
||||
{
|
||||
gp2x_memcpy_buffers(0xf, data, offset, len);
|
||||
}
|
||||
|
||||
|
||||
void gp2x_memset_all_buffers(int offset, int byte, int len)
|
||||
{
|
||||
memset((char *)gp2x_screens[0] + offset, byte, len);
|
||||
memset((char *)gp2x_screens[1] + offset, byte, len);
|
||||
memset((char *)gp2x_screens[2] + offset, byte, len);
|
||||
memset((char *)gp2x_screens[3] + offset, byte, len);
|
||||
}
|
||||
|
||||
|
||||
void gp2x_pd_clone_buffer2(void)
|
||||
{
|
||||
memcpy(gp2x_screen, gp2x_screens[2], 320*240*2);
|
||||
}
|
||||
|
||||
|
||||
unsigned long gp2x_joystick_read(int allow_usb_joy)
|
||||
{
|
||||
int i;
|
||||
unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF); // GPIO M
|
||||
if(value==0xFD) value=0xFA;
|
||||
if(value==0xF7) value=0xEB;
|
||||
if(value==0xDF) value=0xAF;
|
||||
if(value==0x7F) value=0xBE;
|
||||
value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); // C D
|
||||
|
||||
if (allow_usb_joy && num_of_joys > 0) {
|
||||
// check the usb joy as well..
|
||||
gp2x_usbjoy_update();
|
||||
for (i = 0; i < num_of_joys; i++)
|
||||
value |= gp2x_usbjoy_check(i);
|
||||
}
|
||||
|
||||
return value;
|
||||
}
|
||||
|
||||
typedef struct ucb1x00_ts_event
|
||||
{
|
||||
unsigned short pressure;
|
||||
unsigned short x;
|
||||
unsigned short y;
|
||||
unsigned short pad;
|
||||
struct timeval stamp;
|
||||
} UCB1X00_TS_EVENT;
|
||||
|
||||
int gp2x_touchpad_read(int *x, int *y)
|
||||
{
|
||||
UCB1X00_TS_EVENT event;
|
||||
static int zero_seen = 0;
|
||||
int retval;
|
||||
|
||||
if (touchdev < 0) return -1;
|
||||
|
||||
retval = read(touchdev, &event, sizeof(event));
|
||||
if (retval <= 0) {
|
||||
printf("touch read failed %i %i\n", retval, errno);
|
||||
return -1;
|
||||
}
|
||||
// this is to ignore the messed-up 4.1.x driver
|
||||
if (event.pressure == 0) zero_seen = 1;
|
||||
|
||||
if (x) *x = (event.x * touchcal[0] + touchcal[2]) >> 16;
|
||||
if (y) *y = (event.y * touchcal[4] + touchcal[5]) >> 16;
|
||||
// printf("read %i %i %i\n", event.pressure, *x, *y);
|
||||
|
||||
return zero_seen ? event.pressure : 0;
|
||||
}
|
||||
|
||||
|
||||
static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
|
||||
|
||||
void gp2x_start_sound(int rate, int bits, int stereo)
|
||||
{
|
||||
int frag = 0, bsize, buffers;
|
||||
|
||||
// if no settings change, we don't need to do anything
|
||||
if (rate == s_oldrate && s_oldbits == bits && s_oldstereo == stereo) return;
|
||||
|
||||
if (sounddev > 0) close(sounddev);
|
||||
sounddev = open("/dev/dsp", O_WRONLY|O_ASYNC);
|
||||
if (sounddev == -1)
|
||||
printf("open(\"/dev/dsp\") failed with %i\n", errno);
|
||||
|
||||
ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
|
||||
ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
|
||||
ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
|
||||
// calculate buffer size
|
||||
buffers = 16;
|
||||
bsize = rate / 32;
|
||||
if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
|
||||
while ((bsize>>=1)) frag++;
|
||||
frag |= buffers<<16; // 16 buffers
|
||||
ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
|
||||
usleep(192*1024);
|
||||
|
||||
printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
|
||||
rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
|
||||
|
||||
s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
|
||||
}
|
||||
|
||||
|
||||
void gp2x_sound_write(void *buff, int len)
|
||||
{
|
||||
write(sounddev, buff, len);
|
||||
}
|
||||
|
||||
void gp2x_sound_sync(void)
|
||||
{
|
||||
ioctl(sounddev, SOUND_PCM_SYNC, 0);
|
||||
}
|
||||
|
||||
void gp2x_sound_volume(int l, int r)
|
||||
{
|
||||
l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
|
||||
l<<=8; l|=r;
|
||||
ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
|
||||
}
|
||||
|
||||
|
||||
/* 940 */
|
||||
void Pause940(int yes)
|
||||
{
|
||||
if(yes)
|
||||
gp2x_memregs[0x0904>>1] &= 0xFFFE;
|
||||
else
|
||||
gp2x_memregs[0x0904>>1] |= 1;
|
||||
}
|
||||
|
||||
|
||||
void Reset940(int yes, int bank)
|
||||
{
|
||||
gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);
|
||||
}
|
||||
|
||||
static void proc_set(const char *path, const char *val)
|
||||
{
|
||||
FILE *f;
|
||||
char tmp[16];
|
||||
|
||||
f = fopen(path, "w");
|
||||
if (f == NULL) {
|
||||
printf("failed to open: %s\n", path);
|
||||
return;
|
||||
}
|
||||
|
||||
fprintf(f, "0\n");
|
||||
fclose(f);
|
||||
|
||||
printf("\"%s\" is set to: ", path);
|
||||
f = fopen(path, "r");
|
||||
if (f == NULL) {
|
||||
printf("(open failed)\n");
|
||||
return;
|
||||
}
|
||||
|
||||
fgets(tmp, sizeof(tmp), f);
|
||||
printf("%s", tmp);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
|
||||
/* common */
|
||||
void gp2x_init(void)
|
||||
{
|
||||
printf("entering init()\n"); fflush(stdout);
|
||||
|
||||
memdev = open("/dev/mem", O_RDWR);
|
||||
if (memdev == -1)
|
||||
{
|
||||
printf("open(\"/dev/mem\") failed with %i\n", errno);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
|
||||
printf("memregs are @ %p\n", gp2x_memregs);
|
||||
if(gp2x_memregs == MAP_FAILED)
|
||||
{
|
||||
printf("mmap(memregs) failed with %i\n", errno);
|
||||
exit(1);
|
||||
}
|
||||
gp2x_memregl = (unsigned long *) gp2x_memregs;
|
||||
|
||||
gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers
|
||||
|
||||
gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0);
|
||||
if(gp2x_screens[0] == MAP_FAILED)
|
||||
{
|
||||
printf("mmap(gp2x_screen) failed with %i\n", errno);
|
||||
exit(1);
|
||||
}
|
||||
printf("framebuffers point to %p\n", gp2x_screens[0]);
|
||||
gp2x_screens[1] = (char *) gp2x_screens[0]+0x30000;
|
||||
gp2x_screens[2] = (char *) gp2x_screens[1]+0x30000;
|
||||
gp2x_screens[3] = (char *) gp2x_screens[2]+0x30000;
|
||||
|
||||
gp2x_screen = gp2x_screens[0];
|
||||
screensel = 0;
|
||||
|
||||
gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];
|
||||
gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];
|
||||
gp2x_screenaddr_old[2] = gp2x_memregs[0x2912>>1];
|
||||
gp2x_screenaddr_old[3] = gp2x_memregs[0x2914>>1];
|
||||
|
||||
memcpy(gp2x_screenaddrs_use, gp2x_screenaddrs, sizeof(gp2x_screenaddrs));
|
||||
gp2x_memset_all_buffers(0, 0, 320*240*2);
|
||||
|
||||
// snd
|
||||
mixerdev = open("/dev/mixer", O_RDWR);
|
||||
if (mixerdev == -1)
|
||||
printf("open(\"/dev/mixer\") failed with %i\n", errno);
|
||||
|
||||
/* init usb joys -GnoStiC */
|
||||
gp2x_usbjoy_init();
|
||||
|
||||
// touchscreen
|
||||
touchdev = open("/dev/touchscreen/wm97xx", O_RDONLY);
|
||||
if (touchdev >= 0) {
|
||||
FILE *pcf = fopen("/etc/pointercal", "r");
|
||||
if (pcf) {
|
||||
fscanf(pcf, "%d %d %d %d %d %d %d", &touchcal[0], &touchcal[1],
|
||||
&touchcal[2], &touchcal[3], &touchcal[4], &touchcal[5], &touchcal[6]);
|
||||
fclose(pcf);
|
||||
}
|
||||
printf("found touchscreen/wm97xx\n");
|
||||
}
|
||||
|
||||
/* disable Linux read-ahead */
|
||||
proc_set("/proc/sys/vm/max-readahead", "0\n");
|
||||
proc_set("/proc/sys/vm/min-readahead", "0\n");
|
||||
|
||||
printf("exitting init()\n"); fflush(stdout);
|
||||
}
|
||||
|
||||
char *ext_menu = 0, *ext_state = 0;
|
||||
|
||||
void gp2x_deinit(void)
|
||||
{
|
||||
Reset940(1, 3);
|
||||
Pause940(1);
|
||||
|
||||
gp2x_video_changemode(15);
|
||||
gp2x_memregs[0x290E>>1] = gp2x_screenaddr_old[0];
|
||||
gp2x_memregs[0x2910>>1] = gp2x_screenaddr_old[1];
|
||||
gp2x_memregs[0x2912>>1] = gp2x_screenaddr_old[2];
|
||||
gp2x_memregs[0x2914>>1] = gp2x_screenaddr_old[3];
|
||||
|
||||
munmap(gp2x_screens[0], FRAMEBUFF_WHOLESIZE);
|
||||
munmap((void *)gp2x_memregs, 0x10000);
|
||||
close(memdev);
|
||||
close(mixerdev);
|
||||
if (sounddev >= 0) close(sounddev);
|
||||
if (touchdev >= 0) close(touchdev);
|
||||
|
||||
gp2x_usbjoy_deinit();
|
||||
|
||||
printf("all done, running ");
|
||||
|
||||
// Zaq121's alternative frontend support from MAME
|
||||
if(ext_menu && ext_state) {
|
||||
printf("%s -state %s\n", ext_menu, ext_state);
|
||||
execl(ext_menu, ext_menu, "-state", ext_state, NULL);
|
||||
} else if(ext_menu) {
|
||||
printf("%s\n", ext_menu);
|
||||
execl(ext_menu, ext_menu, NULL);
|
||||
} else {
|
||||
printf("gp2xmenu\n");
|
||||
chdir("/usr/gp2x");
|
||||
execl("gp2xmenu", "gp2xmenu", NULL);
|
||||
}
|
||||
}
|
||||
|
||||
/* lprintf */
|
||||
void lprintf(const char *fmt, ...)
|
||||
{
|
||||
va_list vl;
|
||||
|
||||
va_start(vl, fmt);
|
||||
vprintf(fmt, vl);
|
||||
va_end(vl);
|
||||
}
|
||||
|
||||
|
||||
/* fake GP2X */
|
||||
int crashed_940 = 0;
|
||||
|
||||
int readpng(void *dest, const char *fname, int what) { return -1; }
|
||||
void set_gamma(int g100, int A_SNs_curve) {}
|
||||
void set_FCLK(unsigned MHZ) {}
|
||||
void set_LCD_custom_rate(int rate) {}
|
||||
void unset_LCD_custom_rate(void) {}
|
||||
|
||||
27
platform/pandora/port_config.h
Normal file
27
platform/pandora/port_config.h
Normal file
|
|
@ -0,0 +1,27 @@
|
|||
// port specific settings
|
||||
|
||||
#ifndef PORT_CONFIG_H
|
||||
#define PORT_CONFIG_H
|
||||
|
||||
#define CASE_SENSITIVE_FS 1 // CS filesystem
|
||||
#define DONT_OPEN_MANY_FILES 0
|
||||
#define REDUCE_IO_CALLS 0
|
||||
#define SIMPLE_WRITE_SOUND 0
|
||||
|
||||
// draw.c
|
||||
#define OVERRIDE_HIGHCOL 0
|
||||
|
||||
// draw2.c
|
||||
#define START_ROW 0 // which row of tiles to start rendering at?
|
||||
#define END_ROW 28 // ..end
|
||||
|
||||
// pico.c
|
||||
#define CAN_HANDLE_240_LINES 1
|
||||
|
||||
// logging emu events
|
||||
#define EL_LOGMASK (EL_STATUS|EL_IDLE) // (EL_STATUS|EL_ANOMALY|EL_UIO|EL_SRAMIO|EL_INTS|EL_CDPOLL) // xffff
|
||||
|
||||
//#define dprintf(f,...) printf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__)
|
||||
#define dprintf(x...)
|
||||
|
||||
#endif //PORT_CONFIG_H
|
||||
14
platform/pandora/port_config.s
Normal file
14
platform/pandora/port_config.s
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
@ vim:filetype=armasm
|
||||
|
||||
@ .equiv START_ROW, 1
|
||||
@ .equiv END_ROW, 27
|
||||
@ one row means 8 pixels. If above example was used, (27-1)*8=208 lines would be rendered.
|
||||
.equiv START_ROW, 0
|
||||
.equiv END_ROW, 28
|
||||
|
||||
.equiv OVERRIDE_HIGHCOL, 0
|
||||
.equiv UNALIGNED_DRAWLINEDEST, 0
|
||||
|
||||
@ this should be set to one only for GP2X port
|
||||
.equiv EXTERNAL_YM2612, 1
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue