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uxn
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Keep vectors in memory instead of constantly peek16()

This commit is contained in:
neauoire 2021-09-22 12:16:16 -07:00
parent 0cc717b251
commit 30c1e4dc6c
2 changed files with 14 additions and 6 deletions
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1
src/uxn.h
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@ -29,6 +29,7 @@ typedef struct {
typedef struct Device {
struct Uxn *u;
Uint8 addr, dat[16], *mem;
Uint16 vector;
int (*talk)(struct Device *d, Uint8, Uint8);
} Device;

19
src/uxnemu.c
View File

@ -376,8 +376,12 @@ system_talk(Device *d, Uint8 b0, Uint8 w)
static int
console_talk(Device *d, Uint8 b0, Uint8 w)
{
if(w && b0 > 0x7)
write(b0 - 0x7, (char *)&d->dat[b0], 1);
if(w) {
if(b0 == 0x1)
d->vector = peek16(d->dat, 0x0);
if(b0 > 0x7)
write(b0 - 0x7, (char *)&d->dat[b0], 1);
}
return 1;
}
@ -392,6 +396,7 @@ screen_talk(Device *d, Uint8 b0, Uint8 w)
}
else
switch(b0) {
case 0x1: d->vector = peek16(d->dat, 0x0); break;
case 0x5:
if(!FIXED_SIZE) return set_size(peek16(d->dat, 0x2), peek16(d->dat, 0x4), 1);
break;
@ -491,6 +496,8 @@ datetime_talk(Device *d, Uint8 b0, Uint8 w)
static int
nil_talk(Device *d, Uint8 b0, Uint8 w)
{
if(w && b0 == 0x1)
d->vector = peek16(d->dat, 0x0);
(void)d;
(void)b0;
(void)w;
@ -525,7 +532,7 @@ run(Uxn *u)
case SDL_KEYDOWN:
case SDL_KEYUP:
doctrl(&event, event.type == SDL_KEYDOWN);
uxn_eval(u, peek16(devctrl->dat, 0));
uxn_eval(u, devctrl->vector);
devctrl->dat[3] = 0;
break;
case SDL_MOUSEWHEEL:
@ -533,7 +540,7 @@ run(Uxn *u)
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEMOTION:
domouse(&event);
uxn_eval(u, peek16(devmouse->dat, 0));
uxn_eval(u, devmouse->vector);
break;
case SDL_WINDOWEVENT:
if(event.window.event == SDL_WINDOWEVENT_EXPOSED)
@ -542,12 +549,12 @@ run(Uxn *u)
default:
if(event.type == stdin_event) {
devconsole->dat[0x2] = event.cbutton.button;
uxn_eval(u, peek16(devconsole->dat, 0));
uxn_eval(u, devconsole->vector);
} else if(event.type >= audio0_event && event.type < audio0_event + POLYPHONY)
uxn_eval(u, peek16((devaudio0 + (event.type - audio0_event))->dat, 0));
}
}
uxn_eval(u, peek16(devscreen->dat, 0));
uxn_eval(u, devscreen->vector);
if(reqdraw || ppu.redraw || devsystem->dat[0xe])
redraw(u);
if(!BENCH) {