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games/md: apply same screen flush changes from games/snes

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This commit is contained in:
cinap_lenrek 2014-11-18 17:00:44 +01:00
parent 763231588c
commit e15d0126ad
2 changed files with 52 additions and 31 deletions
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81
sys/src/games/md/md.c
View file

@ -22,6 +22,7 @@ int dmaclock, vdpclock, z80clock, audioclock, ymclock, saveclock;
int scale, paused;
QLock pauselock;
Mousectl *mc;
Channel *flushc;
Rectangle picr;
Image *tmp, *bg;
@ -125,6 +126,51 @@ screeninit(void)
draw(screen, screen->r, bg, nil, ZP);
}
void
screenproc(void *)
{
extern u8int pic[320*224*4*3];
Rectangle r;
uchar *s;
int w;
enum { AMOUSE, ARESIZE, AFLUSH, AEND };
Alt a[AEND+1] = {
{ mc->c, nil, CHANRCV },
{ mc->resizec, nil, CHANRCV },
{ flushc, nil, CHANRCV },
{ nil, nil, CHANEND }
};
for(;;){
switch(alt(a)){
case ARESIZE:
if(getwindow(display, Refnone) < 0)
sysfatal("resize failed: %r");
screeninit();
/* wet floor */
case AFLUSH:
if(scale == 1){
loadimage(tmp, tmp->r, pic, 320*224*4);
draw(screen, picr, tmp, nil, ZP);
}else{
s = pic;
r = picr;
w = 320*4*scale;
while(r.min.y < picr.max.y){
loadimage(tmp, tmp->r, s, w);
s += w;
r.max.y = r.min.y+scale;
draw(screen, r, tmp, nil, ZP);
r.min.y = r.max.y;
}
}
flushimage(display, 1);
break;
}
}
}
void
keyproc(void *)
{
@ -202,13 +248,15 @@ threadmain(int argc, char **argv)
threadexitsall("usage");
}
loadrom(*argv);
if(initdraw(nil, nil, nil) < 0)
if(initdraw(nil, nil, argv0) < 0)
sysfatal("initdraw: %r");
proccreate(keyproc, nil, 8192);
flushc = chancreate(sizeof(ulong), 1);
mc = initmouse(nil, screen);
if(mc == nil)
sysfatal("initmouse: %r");
screeninit();
proccreate(keyproc, nil, 8192);
proccreate(screenproc, nil, 8192);
cpureset();
vdpmode();
ymreset();
@ -257,37 +305,10 @@ threadmain(int argc, char **argv)
void
flush(void)
{
extern uchar pic[320*224*2*3*3];
Mouse m;
Rectangle r;
uchar *s;
int w;
static vlong old, delta;
vlong new, diff;
if(nbrecvul(mc->resizec) > 0){
if(getwindow(display, Refnone) < 0)
sysfatal("resize failed: %r");
screeninit();
}
while(nbrecv(mc->c, &m) > 0)
;
if(scale == 1){
loadimage(tmp, tmp->r, pic, 320*224*4);
draw(screen, picr, tmp, nil, ZP);
}else{
s = pic;
r = picr;
w = 320*4*scale;
while(r.min.y < picr.max.y){
loadimage(tmp, tmp->r, s, w);
s += w;
r.max.y = r.min.y+scale;
draw(screen, r, tmp, nil, ZP);
r.min.y = r.max.y;
}
}
flushimage(display, 1);
sendul(flushc, 1); /* flush screen */
if(audioout() < 0){
new = nsec();
diff = 0;

2
sys/src/games/md/vdp.c
View file

@ -4,7 +4,7 @@
#include "dat.h"
#include "fns.h"
u8int pic[320*224*4*3*3];
u8int pic[320*224*4*3];
u16int vdpstat = 0x3400;
int vdpx, vdpy;
u16int hctr;