mirror of
https://github.com/RaySollium99/libpicofe.git
synced 2025-09-05 06:47:45 -04:00
more Pandora porting work
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@560 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
fe01739339
commit
492d353af9
6 changed files with 1070 additions and 237 deletions
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@ -49,7 +49,7 @@ 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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OBJS += pandora.o main.o emu.o platform/gp2x/menu.o platform/gp2x/usbjoy.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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@ -141,7 +141,7 @@ DIRS = platform platform/gp2x platform/common Pico Pico/cd Pico/Pico Pico/sound
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all: mkdirs PicoDrive
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PicoDrive : $(OBJS) ../common/helix/helix_mp3.a
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PicoDrive : $(OBJS) ../common/helix/$(CROSS)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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@ -218,8 +218,8 @@ 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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../common/helix/$(CROSS)helix-mp3.a:
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make -C ../common/helix clean all
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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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1014
pandora/emu.c
Normal file
1014
pandora/emu.c
Normal file
File diff suppressed because it is too large
Load diff
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@ -18,7 +18,6 @@
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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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@ -32,13 +31,7 @@ void parse_cmd_line(int argc, char *argv[])
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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(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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@ -1,24 +1,3 @@
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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!)
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Thanks to Squidge, Robster, snaff, Reesy and NK, for the help & previous work! :-)
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License
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=======
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Free for non-commercial projects (it would be nice receiving a mail from you).
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Other cases, ask me first.
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GamePark Holdings is not allowed to use this library and/or use parts from it.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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@ -37,177 +16,84 @@
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#include "../gp2x/usbjoy.h"
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#include "../common/arm_utils.h"
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volatile unsigned short *gp2x_memregs;
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//static
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volatile unsigned long *gp2x_memregl;
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static void *gp2x_screens[4];
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static int screensel = 0;
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static volatile unsigned int *memregs;
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//static
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int memdev = 0;
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static int sounddev = -1, mixerdev = -1, touchdev = -1;
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static int touchcal[7] = { 6203, 0, -1501397, 0, -4200, 16132680, 65536 };
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#define SCREEN_MAP_SIZE (((800*(480+11)*2)+0xfff)&~0xfff)
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static void *screen;
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void *gp2x_screen;
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#define FRAMEBUFF_WHOLESIZE (0x30000*4) // 320*240*2 + some more
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#define FRAMEBUFF_ADDR0 (0x4000000-FRAMEBUFF_WHOLESIZE)
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#define FRAMEBUFF_ADDR1 (FRAMEBUFF_ADDR0+0x30000)
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#define FRAMEBUFF_ADDR2 (FRAMEBUFF_ADDR1+0x30000)
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#define FRAMEBUFF_ADDR3 (FRAMEBUFF_ADDR2+0x30000)
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static const int gp2x_screenaddrs[4] = { FRAMEBUFF_ADDR0, FRAMEBUFF_ADDR1, FRAMEBUFF_ADDR2, FRAMEBUFF_ADDR3 };
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static int gp2x_screenaddrs_use[4];
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static unsigned short gp2x_screenaddr_old[4];
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/* video stuff */
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void gp2x_video_flip(void)
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{
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unsigned short lsw = (unsigned short) gp2x_screenaddrs_use[screensel&3];
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unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&3] >> 16);
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gp2x_memregs[0x2910>>1] = msw;
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gp2x_memregs[0x2914>>1] = msw;
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gp2x_memregs[0x290E>>1] = lsw;
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gp2x_memregs[0x2912>>1] = lsw;
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// jump to other buffer:
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gp2x_screen = gp2x_screens[++screensel&3];
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}
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/* doulblebuffered flip */
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void gp2x_video_flip2(void)
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{
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unsigned short msw = (unsigned short)(gp2x_screenaddrs_use[screensel&1] >> 16);
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gp2x_memregs[0x2910>>1] = msw;
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gp2x_memregs[0x2914>>1] = msw;
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gp2x_memregs[0x290E>>1] = 0;
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gp2x_memregs[0x2912>>1] = 0;
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// jump to other buffer:
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gp2x_screen = gp2x_screens[++screensel&1];
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}
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void gp2x_video_changemode2(int bpp)
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{
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gp2x_memregs[0x28DA>>1]=(((bpp+1)/8)<<9)|0xAB; /*8/15/16/24bpp...*/
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gp2x_memregs[0x290C>>1]=320*((bpp+1)/8); /*line width in bytes*/
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}
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void gp2x_video_changemode(int bpp)
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{
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gp2x_video_changemode2(bpp);
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gp2x_memset_all_buffers(0, 0, 320*240*2);
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gp2x_video_flip();
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}
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void gp2x_video_setpalette(int *pal, int len)
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{
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unsigned short *g=(unsigned short *)pal;
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volatile unsigned short *memreg = &gp2x_memregs[0x295A>>1];
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gp2x_memregs[0x2958>>1] = 0;
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len *= 2;
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while(len--) *memreg=*g++;
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}
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// TV Compatible function //
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void gp2x_video_RGB_setscaling(int ln_offs, int W, int H)
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{
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float escalaw, escalah;
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int bpp = (gp2x_memregs[0x28DA>>1]>>9)&0x3;
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unsigned short scalw;
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// set offset
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gp2x_screenaddrs_use[0] = gp2x_screenaddrs[0] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[1] = gp2x_screenaddrs[1] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[2] = gp2x_screenaddrs[2] + ln_offs * 320 * bpp;
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gp2x_screenaddrs_use[3] = gp2x_screenaddrs[3] + ln_offs * 320 * bpp;
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escalaw = 1024.0; // RGB Horiz LCD
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escalah = 320.0; // RGB Vert LCD
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if(gp2x_memregs[0x2800>>1]&0x100) //TV-Out
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{
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escalaw=489.0; // RGB Horiz TV (PAL, NTSC)
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if (gp2x_memregs[0x2818>>1] == 287) //PAL
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escalah=274.0; // RGB Vert TV PAL
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else if (gp2x_memregs[0x2818>>1] == 239) //NTSC
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escalah=331.0; // RGB Vert TV NTSC
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}
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// scale horizontal
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scalw = (unsigned short)((float)escalaw *(W/320.0));
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/* if there is no horizontal scaling, vertical doesn't work. Here is a nasty wrokaround... */
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if (H != 240 && W == 320) scalw--;
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gp2x_memregs[0x2906>>1]=scalw;
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// scale vertical
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gp2x_memregl[0x2908>>2]=(unsigned long)((float)escalah *bpp *(H/240.0));
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}
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void gp2x_video_wait_vsync(void)
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{
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unsigned short v = gp2x_memregs[0x1182>>1];
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while (!((v ^ gp2x_memregs[0x1182>>1]) & 0x10)) spend_cycles(1024);
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}
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void gp2x_video_flush_cache(void)
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{
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// since we are using the mmu hack, we must flush the cache first
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// (the params are most likely wrong, but they seem to work somehow)
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//flushcache(addr, addr + 320*240*2, 0);
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flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);
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// flushcache(gp2x_screen, (char *)gp2x_screen + 320*240*2, 0);
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}
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void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
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{
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char *dst;
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if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
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if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
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if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
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if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
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}
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void gp2x_memcpy_all_buffers(void *data, int offset, int len)
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{
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gp2x_memcpy_buffers(0xf, data, offset, len);
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}
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void gp2x_memset_all_buffers(int offset, int byte, int len)
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{
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memset((char *)gp2x_screens[0] + offset, byte, len);
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memset((char *)gp2x_screens[1] + offset, byte, len);
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memset((char *)gp2x_screens[2] + offset, byte, len);
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memset((char *)gp2x_screens[3] + offset, byte, len);
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memset((char *)gp2x_screen + offset, byte, len);
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}
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void gp2x_pd_clone_buffer2(void)
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{
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memcpy(gp2x_screen, gp2x_screens[2], 320*240*2);
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}
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unsigned long gp2x_joystick_read(int allow_usb_joy)
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{
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unsigned long value = 0;
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int i;
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unsigned long value=(gp2x_memregs[0x1198>>1] & 0x00FF); // GPIO M
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if(value==0xFD) value=0xFA;
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if(value==0xF7) value=0xEB;
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if(value==0xDF) value=0xAF;
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if(value==0x7F) value=0xBE;
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value = ~((gp2x_memregs[0x1184>>1] & 0xFF00) | value | (gp2x_memregs[0x1186>>1] << 16)); // C D
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if (allow_usb_joy && num_of_joys > 0) {
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// check the usb joy as well..
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@ -252,10 +138,11 @@ int gp2x_touchpad_read(int *x, int *y)
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}
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static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
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//static int s_oldrate = 0, s_oldbits = 0, s_oldstereo = 0;
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void gp2x_start_sound(int rate, int bits, int stereo)
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{
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#if 0
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int frag = 0, bsize, buffers;
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// if no settings change, we don't need to do anything
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@ -282,72 +169,36 @@ void gp2x_start_sound(int rate, int bits, int stereo)
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rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
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s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
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#endif
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}
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void gp2x_sound_write(void *buff, int len)
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{
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write(sounddev, buff, len);
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// write(sounddev, buff, len);
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}
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void gp2x_sound_sync(void)
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{
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ioctl(sounddev, SOUND_PCM_SYNC, 0);
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// ioctl(sounddev, SOUND_PCM_SYNC, 0);
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}
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void gp2x_sound_volume(int l, int r)
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{
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#if 0
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l=l<0?0:l; l=l>255?255:l; r=r<0?0:r; r=r>255?255:r;
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l<<=8; l|=r;
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ioctl(mixerdev, SOUND_MIXER_WRITE_PCM, &l); /*SOUND_MIXER_WRITE_VOLUME*/
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}
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/* 940 */
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void Pause940(int yes)
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{
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if(yes)
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gp2x_memregs[0x0904>>1] &= 0xFFFE;
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else
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gp2x_memregs[0x0904>>1] |= 1;
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}
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void Reset940(int yes, int bank)
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{
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gp2x_memregs[0x3B48>>1] = ((yes&1) << 7) | (bank & 0x03);
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}
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static void proc_set(const char *path, const char *val)
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{
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FILE *f;
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char tmp[16];
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f = fopen(path, "w");
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if (f == NULL) {
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printf("failed to open: %s\n", path);
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return;
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}
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fprintf(f, "0\n");
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fclose(f);
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printf("\"%s\" is set to: ", path);
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f = fopen(path, "r");
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if (f == NULL) {
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printf("(open failed)\n");
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return;
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}
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fgets(tmp, sizeof(tmp), f);
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printf("%s", tmp);
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fclose(f);
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#endif
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}
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/* common */
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void gp2x_init(void)
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{
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// struct fb_fix_screeninfo fbfix;
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int fbdev;
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printf("entering init()\n"); fflush(stdout);
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memdev = open("/dev/mem", O_RDWR);
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@ -357,38 +208,37 @@ void gp2x_init(void)
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exit(1);
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}
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gp2x_memregs = mmap(0, 0x10000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0xc0000000);
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printf("memregs are @ %p\n", gp2x_memregs);
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if(gp2x_memregs == MAP_FAILED)
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memregs = mmap(0, 0x01000000, PROT_READ|PROT_WRITE, MAP_SHARED, memdev, 0x48000000);
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if (memregs == MAP_FAILED)
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{
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printf("mmap(memregs) failed with %i\n", errno);
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exit(1);
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}
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gp2x_memregl = (unsigned long *) gp2x_memregs;
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gp2x_memregs[0x2880>>1] &= ~0x383; // disable cursor, subpict, osd, video layers
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gp2x_screens[0] = mmap(0, FRAMEBUFF_WHOLESIZE, PROT_WRITE, MAP_SHARED, memdev, FRAMEBUFF_ADDR0);
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if(gp2x_screens[0] == MAP_FAILED)
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fbdev = open("/dev/fb0", O_RDWR);
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if (fbdev == -1)
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{
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printf("mmap(gp2x_screen) failed with %i\n", errno);
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printf("open(\"/dev/fb0\") failed with %i\n", errno);
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exit(1);
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}
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printf("framebuffers point to %p\n", gp2x_screens[0]);
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gp2x_screens[1] = (char *) gp2x_screens[0]+0x30000;
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gp2x_screens[2] = (char *) gp2x_screens[1]+0x30000;
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gp2x_screens[3] = (char *) gp2x_screens[2]+0x30000;
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gp2x_screen = gp2x_screens[0];
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screensel = 0;
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/*
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ret = ioctl(fbdev, FBIOGET_FSCREENINFO, &fbfix);
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if (ret == -1)
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{
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printf("ioctl(fbdev) failed with %i\n", errno);
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exit(1);
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}
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*/
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screen = mmap(0, SCREEN_MAP_SIZE, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev, 0);
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if (screen == MAP_FAILED)
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{
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printf("mmap(fbptr) failed with %i\n", errno);
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exit(1);
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}
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printf("fbptr %p\n", screen);
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gp2x_screen = (char *)screen + 800*10*2-64;
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gp2x_screenaddr_old[0] = gp2x_memregs[0x290E>>1];
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gp2x_screenaddr_old[1] = gp2x_memregs[0x2910>>1];
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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);
|
||||
|
|
@ -410,49 +260,23 @@ void gp2x_init(void)
|
|||
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_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);
|
||||
munmap(screen, SCREEN_MAP_SIZE);
|
||||
munmap((void *)memregs, 0x10000);
|
||||
close(memdev);
|
||||
close(mixerdev);
|
||||
if (mixerdev >= 0) 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);
|
||||
}
|
||||
printf("all done");
|
||||
}
|
||||
|
||||
/* lprintf */
|
||||
|
|
@ -474,4 +298,6 @@ 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) {}
|
||||
void Pause940(int yes) {}
|
||||
void Reset940(int yes, int bank) {}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue