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core+platforms, revise pico pen handling

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the MSB in the tablet position register denotes pen on surface.
add logic and a hotkey for handling pen not on surface. This allows
for repositioning of the pen without the storyware reacting to it.
This commit is contained in:
kub 2024-03-17 10:44:57 +01:00
parent 9f29605f55
commit c87e36d750
12 changed files with 127 additions and 70 deletions
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15
platform/pandora/plat.c
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@ -76,7 +76,8 @@ static struct in_default_bind in_evdev_defbinds[] =
{ KEY_5, IN_BINDTYPE_EMU, PEVB_PICO_PPREV },
{ KEY_6, IN_BINDTYPE_EMU, PEVB_PICO_PNEXT },
{ KEY_7, IN_BINDTYPE_EMU, PEVB_PICO_SWINP },
{ KEY_8, IN_BINDTYPE_EMU, PEVB_PICO_PEN },
{ KEY_8, IN_BINDTYPE_EMU, PEVB_PICO_SHPEN },
{ KEY_9, IN_BINDTYPE_EMU, PEVB_PICO_PPOSV },
{ 0, 0, 0 }
};
@ -138,16 +139,18 @@ static void draw_cd_leds(void)
static void draw_pico_ptr(void)
{
int up = (PicoPicohw.pen_pos[0]|PicoPicohw.pen_pos[1]) & 0x8000;
int o = (up ? 0x0000 : 0xffff), _ = (up ? 0xffff : 0x0000);
int x = pico_pen_x, y = pico_pen_y, pitch = g_screen_ppitch;
unsigned short *p = (unsigned short *)g_screen_ptr;
x = (x * saved_col_count * ((1ULL<<32) / 320)) >> 32;
y = (y * saved_line_count * ((1ULL<<32) / 224)) >> 32;
x = (x * saved_col_count * ((1ULL<<32) / 320 + 1)) >> 32;
y = (y * saved_line_count * ((1ULL<<32) / 224 + 1)) >> 32;
p += (saved_start_col+x) + (saved_start_line+y) * pitch;
p[-pitch] ^= 0xffff;
p[-1] ^= 0xffff; p[0] ^= 0xffff; p[1] ^= 0xffff;
p[pitch] ^= 0xffff;
p[-pitch-1] ^= _; p[-pitch] ^= o; p[-pitch+1] ^= _;
p[-1] ^= o; p[0] ^= o; p[1] ^= o;
p[pitch-1] ^= _; p[pitch] ^= o; p[pitch+1] ^= _;
}
void pemu_finalize_frame(const char *fps, const char *notice)