家用機 - Play Station - C/C++ (PsyQ) - Read GamePad

參考資訊：
https://psx.arthus.net/starting.html
https://github.com/ABelliqueux/nolibgs_hello_worlds#installation

main.c

#include <sys/types.h>
#include <stdio.h>
#include <libgte.h>
#include <libetc.h>
#include <libgpu.h>
 
int main(int argc, char *argv[])
{
    const int w = 320;
    const int h = 240;
    int r = 0;
    u_long ot = 0;
    TILE t = { 0 };
    DISPENV disp = { 0 };
    DRAWENV draw = { 0 };
 
    ResetGraph(0);
 
    SetDefDispEnv(&disp, 0, 0, w, h);
    SetDefDrawEnv(&draw, 0, 0, w, h);
    SetDispMask(1);
    setRGB0(&draw, 0, 0, 0);
    draw.isbg = 1;
 
    PutDispEnv(&disp);
    PutDrawEnv(&draw);
 
    FntLoad(640, 0);
    FntOpen(100, 100, w, h, 0, 255);
 
    PadInit(0);
    while (1) {
        r = PadRead(0);
        if (r) {
            setTile(&t);
            setXY0(&t, 0, 0);
            setWH(&t, w, h);
            setRGB0(&t, 0, 0, 0);
            addPrim(&ot, &t);
            DrawOTag(&ot);
        }

        if (r & PADLup)     FntPrint("UP");
        if (r & PADLdown)   FntPrint("DOWN");
        if (r & PADLleft)   FntPrint("LEFT");
        if (r & PADLright)  FntPrint("RIGHT");
        if (r & PADRright)  FntPrint("A");
        if (r & PADRdown)   FntPrint("B");
        if (r & PADRup)     FntPrint("X");
        if (r & PADRleft)   FntPrint("Y");
        if (r & PADL1)      FntPrint("L1");
        if (r & PADL2)      FntPrint("L2");
        if (r & PADR1)      FntPrint("R1");
        if (r & PADR2)      FntPrint("R2");
        if (r & PADstart)   FntPrint("START");
        if (r & PADselect)  FntPrint("SELECT");

        FntFlush(-1);
        DrawSync(0);
        VSync(0);
    }
 
    return 0;
}