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Removed screen as Device

This commit is contained in:
neauoire 2022-04-05 09:22:33 -07:00
parent ab6ce6ba5a
commit b0c840437a
4 changed files with 30 additions and 29 deletions
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48
src/devices/screen.c
View File

@ -117,64 +117,64 @@ clamp(int val, int min, int max)
/* IO */
Uint8
screen_dei(Device *d, Uint8 port)
screen_dei(Uint8 *d, Uint8 port)
{
switch(port) {
case 0x2: return uxn_screen.width >> 8;
case 0x3: return uxn_screen.width;
case 0x4: return uxn_screen.height >> 8;
case 0x5: return uxn_screen.height;
default: return d->dat[port];
default: return d[port];
}
}
void
screen_deo(Device *d, Uint8 port)
screen_deo(Uint8 *ram, Uint8 *d, Uint8 port)
{
switch(port) {
case 0x3:
if(!FIXED_SIZE) {
Uint16 w;
DEVPEEK16(w, 0x2);
PEKDEV(w, 0x2);
screen_resize(&uxn_screen, clamp(w, 1, 1024), uxn_screen.height);
}
break;
case 0x5:
if(!FIXED_SIZE) {
Uint16 h;
DEVPEEK16(h, 0x4);
PEKDEV(h, 0x4);
screen_resize(&uxn_screen, uxn_screen.width, clamp(h, 1, 1024));
}
break;
case 0xe: {
Uint16 x, y;
Uint8 layer = d->dat[0xe] & 0x40;
DEVPEEK16(x, 0x8);
DEVPEEK16(y, 0xa);
screen_write(&uxn_screen, layer ? &uxn_screen.fg : &uxn_screen.bg, x, y, d->dat[0xe] & 0x3);
if(d->dat[0x6] & 0x01) DEVPOKE16(0x8, x + 1); /* auto x+1 */
if(d->dat[0x6] & 0x02) DEVPOKE16(0xa, y + 1); /* auto y+1 */
Uint8 layer = d[0xe] & 0x40;
PEKDEV(x, 0x8);
PEKDEV(y, 0xa);
screen_write(&uxn_screen, layer ? &uxn_screen.fg : &uxn_screen.bg, x, y, d[0xe] & 0x3);
if(d[0x6] & 0x01) POKDEV(0x8, x + 1); /* auto x+1 */
if(d[0x6] & 0x02) POKDEV(0xa, y + 1); /* auto y+1 */
break;
}
case 0xf: {
Uint16 x, y, dx, dy, addr;
Uint8 i, n, twobpp = !!(d->dat[0xf] & 0x80);
Layer *layer = (d->dat[0xf] & 0x40) ? &uxn_screen.fg : &uxn_screen.bg;
DEVPEEK16(x, 0x8);
DEVPEEK16(y, 0xa);
DEVPEEK16(addr, 0xc);
n = d->dat[0x6] >> 4;
dx = (d->dat[0x6] & 0x01) << 3;
dy = (d->dat[0x6] & 0x02) << 2;
Uint8 i, n, twobpp = !!(d[0xf] & 0x80);
Layer *layer = (d[0xf] & 0x40) ? &uxn_screen.fg : &uxn_screen.bg;
PEKDEV(x, 0x8);
PEKDEV(y, 0xa);
PEKDEV(addr, 0xc);
n = d[0x6] >> 4;
dx = (d[0x6] & 0x01) << 3;
dy = (d[0x6] & 0x02) << 2;
if(addr > 0x10000 - ((n + 1) << (3 + twobpp)))
return;
for(i = 0; i <= n; i++) {
screen_blit(&uxn_screen, layer, x + dy * i, y + dx * i, &d->u->ram[addr], d->dat[0xf] & 0xf, d->dat[0xf] & 0x10, d->dat[0xf] & 0x20, twobpp);
addr += (d->dat[0x6] & 0x04) << (1 + twobpp);
screen_blit(&uxn_screen, layer, x + dy * i, y + dx * i, &ram[addr], d[0xf] & 0xf, d[0xf] & 0x10, d[0xf] & 0x20, twobpp);
addr += (d[0x6] & 0x04) << (1 + twobpp);
}
DEVPOKE16(0xc, addr); /* auto addr+length */
DEVPOKE16(0x8, x + dx); /* auto x+8 */
DEVPOKE16(0xa, y + dy); /* auto y+8 */
POKDEV(0xc, addr); /* auto addr+length */
POKDEV(0x8, x + dx); /* auto x+8 */
POKDEV(0xa, y + dy); /* auto y+8 */
break;
}
}

4
src/devices/screen.h
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@ -29,6 +29,6 @@ void screen_resize(UxnScreen *p, Uint16 width, Uint16 height);
void screen_clear(UxnScreen *p, Layer *layer);
void screen_redraw(UxnScreen *p, Uint32 *pixels);
Uint8 screen_dei(Device *d, Uint8 port);
void screen_deo(Device *d, Uint8 port);
Uint8 screen_dei(Uint8 *d, Uint8 port);
void screen_deo(Uint8 *ram, Uint8 *d, Uint8 port);
int clamp(int val, int min, int max);

1
src/uxn.h
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@ -25,6 +25,7 @@ typedef unsigned int Uint32;
#define GETVEC(d) ((d)[0] << 8 | (d)[1])
#define POKDEV(x, y) { d[(x)] = (y) >> 8; d[(x) + 1] = (y); }
#define PEKDEV(o, x) { (o) = (d[(x)] << 8) + d[(x) + 1]; }
/* clang-format on */

6
src/uxn11.c
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@ -64,7 +64,7 @@ uxn11_dei(struct Uxn *u, Uint8 addr)
Uint8 p = addr & 0x0f;
Device *d = &u->dev[addr >> 4];
switch(addr & 0xf0) {
case 0x20: return screen_dei(d, p); break;
case 0x20: return screen_dei(d->dat, p); break;
case 0xa0: return file_dei(d, p); break;
case 0xb0: return file_dei(d, p); break;
case 0xc0: return datetime_dei(d->dat, p); break;
@ -81,7 +81,7 @@ uxn11_deo(Uxn *u, Uint8 addr, Uint8 v)
switch(addr & 0xf0) {
case 0x00: system_deo(d, p); break;
case 0x10: console_deo(d, p); break;
case 0x20: screen_deo(d, p); break;
case 0x20: screen_deo(u->ram, d->dat, p); break;
case 0xa0: file_deo(d, p); break;
case 0xb0: file_deo(d, p); break;
}
@ -194,7 +194,7 @@ start(Uxn *u, char *rom)
/* system */ uxn_port(u, 0x0, nil_dei, system_deo);
/* console */ uxn_port(u, 0x1, nil_dei, console_deo);
/* screen */ devscreen = uxn_port(u, 0x2, screen_dei, screen_deo);
/* screen */ devscreen = uxn_port(u, 0x2, nil_dei, nil_deo);
/* empty */ uxn_port(u, 0x3, nil_dei, nil_deo);
/* empty */ uxn_port(u, 0x4, nil_dei, nil_deo);
/* empty */ uxn_port(u, 0x5, nil_dei, nil_deo);