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Switched from non-blocking read to thread and custom SDL event

This commit is contained in:
Andrew Alderwick 2021-06-28 21:46:50 +01:00
parent 74fc816810
commit 7b5ad795f8
2 changed files with 20 additions and 6 deletions
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2
src/uxncli.c
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@ -104,7 +104,7 @@ start(Uxn *u)
{
if(!evaluxn(u, PAGE_PROGRAM))
return error("Reset", "Failed");
while(mempeek16(devconsole->dat, 0))
if(mempeek16(devconsole->dat, 0))
while(read(0, &devconsole->dat[0x2], 1) > 0)
evaluxn(u, mempeek16(devconsole->dat, 0));
return 1;

24
src/uxnemu.c
View File

@ -1,7 +1,6 @@
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <fcntl.h>
#include "uxn.h"
#pragma GCC diagnostic push
@ -30,6 +29,7 @@ static SDL_Rect gRect;
static Ppu ppu;
static Apu apu[POLYPHONY];
static Device *devscreen, *devmouse, *devctrl, *devaudio0, *devconsole;
static Uint32 stdin_event;
#define PAD 16
@ -329,6 +329,17 @@ nil_talk(Device *d, Uint8 b0, Uint8 w)
#pragma mark - Generics
static int
in_reader(void *p)
{
SDL_Event event;
event.type = stdin_event;
while(read(0, &event.cbutton.button, 1) > 0)
SDL_PushEvent(&event);
return 0;
(void)p;
}
static int
start(Uxn *u)
{
@ -367,10 +378,13 @@ start(Uxn *u)
if(event.window.event == SDL_WINDOWEVENT_EXPOSED)
redraw(u);
break;
default:
if(event.type == stdin_event) {
devconsole->dat[0x2] = event.cbutton.button;
evaluxn(u, mempeek16(devconsole->dat, 0));
}
}
}
while(read(0, &devconsole->dat[0x2], 1) > 0)
evaluxn(u, mempeek16(devconsole->dat, 0));
evaluxn(u, mempeek16(devscreen->dat, 0));
if(reqdraw)
redraw(u);
@ -388,8 +402,8 @@ main(int argc, char **argv)
Uxn u;
zoom = 2;
/* set stdin nonblocking */
fcntl(0, F_SETFL, fcntl(0, F_GETFL, 0) | O_NONBLOCK);
stdin_event = SDL_RegisterEvents(1);
SDL_CreateThread(in_reader, "stdin", NULL);
if(argc < 2)
return error("Input", "Missing");