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The screen width/height ports can be written to

This commit is contained in:
neauoire 2021-09-18 16:51:20 -07:00
parent 3d8cf7c257
commit bca5562eec
5 changed files with 41 additions and 3 deletions
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3
projects/examples/demos/piano.tal
View File

@ -54,6 +54,9 @@
;on-mouse .Mouse/vector DEO2
;on-message .Console/vector DEO2
#0160 .Screen/width DEO2
#0100 .Screen/height DEO2
( find center )
.Screen/width DEI2 2// .center/x STZ2
.Screen/height DEI2 2// .center/y STZ2

3
projects/software/calc.tal
View File

@ -62,6 +62,9 @@
#0fc5 .System/g DEO2
#0f25 .System/b DEO2
#0100 .Screen/width DEO2
#0160 .Screen/height DEO2
( center )
.Screen/width DEI2 2// .center/x STZ2
.Screen/height DEI2 2// .center/y STZ2

12
src/devices/ppu.c
View File

@ -78,5 +78,15 @@ ppu_init(Ppu *p, Uint8 hor, Uint8 ver)
p->height = 8 * ver;
p->bg = calloc(1, p->width / 4 * p->height * sizeof(Uint8));
p->fg = calloc(1, p->width / 4 * p->height * sizeof(Uint8));
return 1;
return p->bg && p->fg;
}
int
ppu_resize(Ppu *p, Uint8 hor, Uint8 ver)
{
p->width = 8 * hor;
p->height = 8 * ver;
p->bg = realloc(p->bg, p->width / 4 * p->height * sizeof(Uint8));
p->fg = realloc(p->fg, p->width / 4 * p->height * sizeof(Uint8));
return p->bg && p->fg;
}

1
src/devices/ppu.h
View File

@ -23,6 +23,7 @@ typedef struct Ppu {
} Ppu;
int ppu_init(Ppu *p, Uint8 hor, Uint8 ver);
int ppu_resize(Ppu *p, Uint8 hor, Uint8 ver);
void ppu_pixel(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 color);
void ppu_1bpp(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);
void ppu_2bpp(Ppu *p, Uint8 *layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);

25
src/uxnemu.c
View File

@ -298,6 +298,21 @@ update_palette(Uint8 *addr)
reqdraw = 1;
}
void
set_size(Uxn *u, Uint16 width, Uint16 height)
{
ppu_resize(&ppu, width / 8, height / 8);
gRect.w = ppu.width;
gRect.h = ppu.height;
if(!(ppu_screen = realloc(ppu_screen, ppu.width * ppu.height * sizeof(Uint32))))
return;
SDL_DestroyTexture(gTexture);
SDL_RenderSetLogicalSize(gRenderer, ppu.width + PAD * 2, ppu.height + PAD * 2);
gTexture = SDL_CreateTexture(gRenderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STATIC, ppu.width + PAD * 2, ppu.height + PAD * 2);
SDL_SetWindowSize(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom);
redraw(u);
}
#pragma mark - Devices
static int
@ -331,7 +346,13 @@ console_talk(Device *d, Uint8 b0, Uint8 w)
static int
screen_talk(Device *d, Uint8 b0, Uint8 w)
{
if(w && b0 == 0xe) {
if(!w)
return 1;
if(b0 == 0x3)
set_size(d->u, peek16(d->dat, 0x2), ppu.height);
else if(b0 == 0x5)
set_size(d->u, ppu.width, peek16(d->dat, 0x4));
else if(b0 == 0xe) {
Uint16 x = peek16(d->dat, 0x8);
Uint16 y = peek16(d->dat, 0xa);
Uint8 layer = d->dat[0xe] & 0x40;
@ -339,7 +360,7 @@ screen_talk(Device *d, Uint8 b0, Uint8 w)
if(d->dat[0x6] & 0x01) poke16(d->dat, 0x8, x + 1); /* auto x+1 */
if(d->dat[0x6] & 0x02) poke16(d->dat, 0xa, y + 1); /* auto y+1 */
reqdraw = 1;
} else if(w && b0 == 0xf) {
} else if(b0 == 0xf) {
Uint16 x = peek16(d->dat, 0x8);
Uint16 y = peek16(d->dat, 0xa);
Uint8 layer = d->dat[0xf] & 0x40;