9 #include "../common/plat.h"
10 #include "../common/readpng.h"
11 #include "../common/menu.h"
12 #include "../common/emu.h"
13 #include "../linux/sndout_oss.h"
15 #include <pico/pico.h>
18 int default_cpu_clock;
21 void *gp2x_screens[4];
23 void gp2x_video_changemode(int bpp)
25 gp2x_video_changemode_ll(bpp);
27 gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
30 static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
33 if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
34 if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
35 if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
36 if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
39 void gp2x_memcpy_all_buffers(void *data, int offset, int len)
41 gp2x_memcpy_buffers(0xf, data, offset, len);
44 void gp2x_memset_all_buffers(int offset, int byte, int len)
46 memset((char *)gp2x_screens[0] + offset, byte, len);
47 memset((char *)gp2x_screens[1] + offset, byte, len);
48 memset((char *)gp2x_screens[2] + offset, byte, len);
49 memset((char *)gp2x_screens[3] + offset, byte, len);
52 void gp2x_make_fb_bufferable(int yes)
57 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
58 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
59 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
60 ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
63 fprintf(stderr, "could not make fb buferable.\n");
65 printf("made fb buferable.\n");
69 void plat_video_menu_enter(int is_rom_loaded)
71 if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) {
72 /* try to switch nicely avoiding glitches */
73 gp2x_video_wait_vsync();
74 memset(gp2x_screens[0], 0, 320*240*2);
75 memset(gp2x_screens[1], 0, 320*240*2);
76 gp2x_video_flip2(); // might flip to fb2/3
77 gp2x_video_flip2(); // ..so we do it again
78 // gp2x_video_wait_vsync();
82 gp2x_video_changemode_ll(16);
83 gp2x_video_RGB_setscaling(0, 320, 240);
86 void plat_video_menu_begin(void)
88 memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
89 g_menuscreen_ptr = g_screen_ptr;
92 void plat_video_menu_end(void)
95 // gp2x_video_flush_cache();
99 void plat_early_init(void)
108 default_cpu_clock = 200;
109 gp2x_dev_id = GP2X_DEV_GP2X;
112 default_cpu_clock = 533;
113 f = fopen("/dev/accel", "rb");
115 printf("detected Caanoo\n");
116 gp2x_dev_id = GP2X_DEV_CAANOO;
120 printf("detected Wiz\n");
121 gp2x_dev_id = GP2X_DEV_WIZ;
125 printf("could not recognize SoC, running in dummy mode.\n");
152 gp2x_memset_all_buffers(0, 0, 320*240*2);
154 // use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
155 g_menubg_ptr = gp2x_screens[2];
161 void plat_finish(void)
184 void lprintf(const char *fmt, ...)