d6
/
uxn11
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Removed indirection in screen device

This commit is contained in:
Devine Lu Linvega 2024-06-29 15:37:43 -08:00
parent 7cff7b19d1
commit 9d0803e99f
3 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/devices/screen.c
View File

@ -256,20 +256,20 @@ screen_dei(Uint8 addr)
}
void
screen_deo(Uint8 *d, Uint8 port)
screen_deo(Uint8 port)
{
switch(port) {
case 0x3: screen_resize(PEEK2(d + 2), uxn_screen.height, uxn_screen.scale); return;
case 0x5: screen_resize(uxn_screen.width, PEEK2(d + 4), uxn_screen.scale); return;
case 0x6: rMX = d[0x6] & 0x1, rMY = d[0x6] & 0x2, rMA = d[0x6] & 0x4, rML = d[0x6] >> 4, rDX = rMX << 3, rDY = rMY << 2; return;
case 0x3: screen_resize(PEEK2(&uxn.dev[0x22]), uxn_screen.height, uxn_screen.scale); return;
case 0x5: screen_resize(uxn_screen.width, PEEK2(&uxn.dev[0x24]), uxn_screen.scale); return;
case 0x6: rMX = uxn.dev[0x26] & 0x1, rMY = uxn.dev[0x26] & 0x2, rMA = uxn.dev[0x26] & 0x4, rML = uxn.dev[0x26] >> 4, rDX = rMX << 3, rDY = rMY << 2; return;
case 0x8:
case 0x9: rX = (d[0x8] << 8) | d[0x9], rX = twos(rX); return;
case 0x9: rX = (uxn.dev[0x28] << 8) | uxn.dev[0x29], rX = twos(rX); return;
case 0xa:
case 0xb: rY = (d[0xa] << 8) | d[0xb], rY = twos(rY); return;
case 0xb: rY = (uxn.dev[0x2a] << 8) | uxn.dev[0x2b], rY = twos(rY); return;
case 0xc:
case 0xd: rA = (d[0xc] << 8) | d[0xd]; return;
case 0xd: rA = (uxn.dev[0x2c] << 8) | uxn.dev[0x2d]; return;
case 0xe: {
Uint8 ctrl = d[0xe];
Uint8 ctrl = uxn.dev[0x2e];
Uint8 color = ctrl & 0x3;
Uint8 *layer = ctrl & 0x40 ? uxn_screen.fg : uxn_screen.bg;
/* fill mode */
@ -299,7 +299,7 @@ screen_deo(Uint8 *d, Uint8 port)
}
case 0xf: {
Uint8 i;
Uint8 ctrl = d[0xf];
Uint8 ctrl = uxn.dev[0x2f];
Uint8 twobpp = !!(ctrl & 0x80);
Uint8 color = ctrl & 0xf;
Uint8 *layer = ctrl & 0x40 ? uxn_screen.fg : uxn_screen.bg;

2
src/devices/screen.h
View File

@ -26,6 +26,6 @@ void screen_resize(Uint16 width, Uint16 height, int scale);
void screen_redraw();
Uint8 screen_dei(Uint8 addr);
void screen_deo(Uint8 *d, Uint8 port);
void screen_deo(Uint8 port);
#define twos(v) (v & 0x8000 ? (int)v - 0x10000 : (int)v)

2
src/uxn11.c
View File

@ -68,7 +68,7 @@ emu_deo(Uint8 addr, Uint8 value)
screen_palette(&uxn.dev[0x8]);
break;
case 0x10: console_deo(&uxn.dev[d], p); break;
case 0x20: screen_deo(&uxn.dev[d], p); break;
case 0x20: screen_deo(p); break;
case 0xa0: file_deo(0, &uxn.dev[d], p); break;
case 0xb0: file_deo(1, &uxn.dev[d], p); break;
}