RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

core+platforms, revise pico pen handling

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

12
platform/linux/emu.c
View file

@ -87,17 +87,19 @@ 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 pitch = g_screen_ppitch;
u16 *p = g_screen_ptr;
int x = pico_pen_x, y = pico_pen_y;
x = (x * out_w * ((1ULL<<32) / 320)) >> 32;
y = (y * out_h * ((1ULL<<32) / 224)) >> 32;
x = (x * out_w * ((1ULL<<32) / 320 + 1)) >> 32;
y = (y * out_h * ((1ULL<<32) / 224 + 1)) >> 32;
p += (screen_y+y)*pitch + (screen_x+x);
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] ^= _;
}
/* render/screen buffer handling: