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uxn
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Housekeeping

This commit is contained in:
neauoire 2023-11-11 20:32:52 -08:00
parent 228a951f22
commit dd1f3e0725
6 changed files with 47 additions and 80 deletions
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11
src/devices/audio.c
View File

@ -334,3 +334,14 @@ audio_get_position(int instance)
{
return channel[instance].sample.pos;
}
Uint8
audio_dei(int instance, Uint8 *d, Uint8 port)
{
switch(port) {
case 0x2: return audio_get_position(instance) >> 8;
case 0x3: return audio_get_position(instance);
case 0x4: return audio_get_vu(instance);
}
return d[port];
}

1
src/devices/audio.h
View File

@ -25,3 +25,4 @@ int audio_render(int instance, Sint16 *sample, Sint16 *end);
void audio_start(int instance, Uint8 *d, Uxn *u);
void audio_finished_handler(int instance);
void audio_handler(void *ctx, Uint8 *out_stream, int len);
Uint8 audio_dei(int instance, Uint8 *d, Uint8 port);

8
src/devices/screen.c
View File

@ -39,7 +39,7 @@ screen_change(Uint16 x1, Uint16 y1, Uint16 x2, Uint16 y2)
}
void
screen_fill(Uint8 *layer, int x1, int y1, int x2, int y2, int color)
screen_rect(Uint8 *layer, int x1, int y1, int x2, int y2, int color)
{
int x, y, width = uxn_screen.width, height = uxn_screen.height;
for(y = y1; y < y2 && y < height; y++)
@ -153,8 +153,8 @@ screen_resize(Uint16 width, Uint16 height)
uxn_screen.pixels = pixels;
uxn_screen.width = width;
uxn_screen.height = height;
screen_fill(uxn_screen.bg, 0, 0, width, height, 0);
screen_fill(uxn_screen.fg, 0, 0, width, height, 0);
screen_rect(uxn_screen.bg, 0, 0, width, height, 0);
screen_rect(uxn_screen.fg, 0, 0, width, height, 0);
emu_resize(width, height);
screen_change(0, 0, width, height);
}
@ -219,7 +219,7 @@ screen_deo(Uint8 *ram, Uint8 *d, Uint8 port)
Uint16 y2 = uxn_screen.height;
if(ctrl & 0x10) x2 = x, x = 0;
if(ctrl & 0x20) y2 = y, y = 0;
screen_fill(layer, x, y, x2, y2, color);
screen_rect(layer, x, y, x2, y2, color);
screen_change(x, y, x2, y2);
}
/* pixel mode */

2
src/devices/screen.h
View File

@ -22,7 +22,7 @@ typedef struct UxnScreen {
extern UxnScreen uxn_screen;
extern int emu_resize(int width, int height);
void screen_fill(Uint8 *layer, int x1, int y1, int x2, int y2, int color);
void screen_rect(Uint8 *layer, int x1, int y1, int x2, int y2, int color);
void screen_palette(Uint8 *addr);
void screen_resize(Uint16 width, Uint16 height);
void screen_change(Uint16 x1, Uint16 y1, Uint16 x2, Uint16 y2);

2
src/uxncli.c
View File

@ -72,7 +72,7 @@ main(int argc, char **argv)
return system_error("usage", "uxncli [-v] file.rom [args..]");
/* Read flags */
if(argv[i][0] == '-' && argv[i][1] == 'v')
return system_version("Uxncli - Console Varvara Emulator", "9 Nov 2023");
return system_version("Uxncli - Console Varvara Emulator", "11 Nov 2023");
if(!system_init(&u, (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8)), argv[i++]))
return system_error("Init", "Failed to initialize uxn.");
/* Game Loop */

103
src/uxnemu.c
View File

@ -55,8 +55,7 @@ static SDL_Thread *stdin_thread;
/* devices */
static int window_created = 0;
static int fullscreen = 0, borderless = 0;
static int window_created, fullscreen, borderless;
static Uint32 stdin_event, audio0_event, zoom = 1;
static Uint64 exec_deadline, deadline_interval, ms_interval;
@ -67,25 +66,6 @@ clamp(int v, int min, int max)
: v;
}
static Uint8
audio_dei(int instance, Uint8 *d, Uint8 port)
{
switch(port) {
case 0x2:
return audio_get_position(instance) >> 8;
case 0x3:
return audio_get_position(instance);
case 0x4:
return audio_get_vu(instance);
case 0x0:
case 0x8:
case 0xa:
case 0xc: return PEEK2(d + port);
default: return d[port];
}
return d[port];
}
static void
audio_deo(int instance, Uint8 *d, Uint8 port, Uxn *u)
{
@ -122,8 +102,7 @@ emu_deo(Uxn *u, Uint8 addr, Uint8 value)
switch(d) {
case 0x00:
system_deo(u, &u->dev[d], p);
if(p > 0x7 && p < 0xe)
screen_palette(&u->dev[0x8]);
if(p > 0x7 && p < 0xe) screen_palette(&u->dev[0x8]);
break;
case 0x10: console_deo(&u->dev[d], p); break;
case 0x20: screen_deo(u->ram, &u->dev[d], p); break;
@ -160,23 +139,20 @@ stdin_handler(void *p)
static void
set_window_size(SDL_Window *window, int w, int h)
{
SDL_Point win, win_old;
SDL_GetWindowPosition(window, &win.x, &win.y);
SDL_Point win_old;
SDL_GetWindowSize(window, &win_old.x, &win_old.y);
if(w == win_old.x && h == win_old.y) return;
SDL_RenderClear(emu_renderer);
/* SDL_SetWindowPosition(window, (win.x + win_old.x / 2) - w / 2, (win.y + win_old.y / 2) - h / 2); */
SDL_SetWindowSize(window, w, h);
}
static void
set_zoom(Uint8 z, int win)
{
if(z >= 1) {
zoom = z;
if(win)
set_window_size(emu_window, (uxn_screen.width + PAD2) * zoom, (uxn_screen.height + PAD2) * zoom);
}
if(z < 1) return;
if(win)
set_window_size(emu_window, (uxn_screen.width + PAD2) * z, (uxn_screen.height + PAD2) * z);
zoom = z;
}
static void
@ -184,9 +160,8 @@ set_fullscreen(int value, int win)
{
Uint32 flags = 0; /* windowed mode; SDL2 has no constant for this */
fullscreen = value;
if(fullscreen) {
if(fullscreen)
flags = SDL_WINDOW_FULLSCREEN_DESKTOP;
}
if(win)
SDL_SetWindowFullscreen(emu_window, flags);
}
@ -203,7 +178,7 @@ static void
set_debugger(Uxn *u, int value)
{
u->dev[0x0e] = value;
screen_fill(uxn_screen.fg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
screen_rect(uxn_screen.fg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
screen_redraw(u);
}
@ -254,7 +229,6 @@ emu_init(Uxn *u)
as.userdata = u;
if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK) < 0)
return system_error("sdl", SDL_GetError());
audio_id = SDL_OpenAudioDevice(NULL, 0, &as, NULL, 0);
if(!audio_id)
system_error("sdl_audio", SDL_GetError());
@ -279,8 +253,8 @@ static void
emu_restart(Uxn *u, char *rom, int soft)
{
screen_resize(WIDTH, HEIGHT);
screen_fill(uxn_screen.bg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
screen_fill(uxn_screen.fg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
screen_rect(uxn_screen.bg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
screen_rect(uxn_screen.fg, 0, 0, uxn_screen.width, uxn_screen.height, 0);
system_reboot(u, rom, soft);
SDL_SetWindowTitle(emu_window, boot_rom);
}
@ -428,37 +402,15 @@ handle_events(Uxn *u)
else if(event.type == SDL_JOYHATMOTION) {
/* NOTE: Assuming there is only one joyhat in the controller */
switch(event.jhat.value) {
case SDL_HAT_UP:
controller_down(u, &u->dev[0x80], 0x10);
break;
case SDL_HAT_DOWN:
controller_down(u, &u->dev[0x80], 0x20);
break;
case SDL_HAT_LEFT:
controller_down(u, &u->dev[0x80], 0x40);
break;
case SDL_HAT_RIGHT:
controller_down(u, &u->dev[0x80], 0x80);
break;
case SDL_HAT_LEFTDOWN:
controller_down(u, &u->dev[0x80], 0x40 | 0x20);
break;
case SDL_HAT_LEFTUP:
controller_down(u, &u->dev[0x80], 0x40 | 0x10);
break;
case SDL_HAT_RIGHTDOWN:
controller_down(u, &u->dev[0x80], 0x80 | 0x20);
break;
case SDL_HAT_RIGHTUP:
controller_down(u, &u->dev[0x80], 0x80 | 0x10);
break;
case SDL_HAT_CENTERED:
/* Set all directions to down */
controller_up(u, &u->dev[0x80], 0x10 | 0x20 | 0x40 | 0x80);
break;
default:
/* Ignore */
break;
case SDL_HAT_UP: controller_down(u, &u->dev[0x80], 0x10); break;
case SDL_HAT_DOWN: controller_down(u, &u->dev[0x80], 0x20); break;
case SDL_HAT_LEFT: controller_down(u, &u->dev[0x80], 0x40); break;
case SDL_HAT_RIGHT: controller_down(u, &u->dev[0x80], 0x80); break;
case SDL_HAT_LEFTDOWN: controller_down(u, &u->dev[0x80], 0x40 | 0x20); break;
case SDL_HAT_LEFTUP: controller_down(u, &u->dev[0x80], 0x40 | 0x10); break;
case SDL_HAT_RIGHTDOWN: controller_down(u, &u->dev[0x80], 0x80 | 0x20); break;
case SDL_HAT_RIGHTUP: controller_down(u, &u->dev[0x80], 0x80 | 0x10); break;
case SDL_HAT_CENTERED: controller_up(u, &u->dev[0x80], 0x10 | 0x20 | 0x40 | 0x80); break;
}
}
/* Console */
@ -478,7 +430,12 @@ emu_run(Uxn *u, char *rom)
window_created = 1;
if(fullscreen)
window_flags = window_flags | SDL_WINDOW_FULLSCREEN_DESKTOP;
emu_window = SDL_CreateWindow(rom, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, (uxn_screen.width + PAD2) * zoom, (uxn_screen.height + PAD2) * zoom, window_flags);
emu_window = SDL_CreateWindow(rom,
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
(uxn_screen.width + PAD2) * zoom,
(uxn_screen.height + PAD2) * zoom,
window_flags);
if(emu_window == NULL)
return system_error("sdl_window", SDL_GetError());
emu_renderer = SDL_CreateRenderer(emu_window, -1, SDL_RENDERER_ACCELERATED);
@ -540,7 +497,7 @@ main(int argc, char **argv)
/* Read flag. Right now, there can be only one. */
if(argv[i][0] == '-') {
if(argv[i][1] == 'v')
return system_version("Uxnemu - Graphical Varvara Emulator", "9 Nov 2023");
return system_version("Uxnemu - Graphical Varvara Emulator", "11 Nov 2023");
if(argv[i][1] == '-')
i++;
if(strcmp(argv[i], "-2x") == 0 || strcmp(argv[i], "-3x") == 0)
@ -553,12 +510,10 @@ main(int argc, char **argv)
/* Start system. */
Uint8 *ram = (Uint8 *)calloc(0x10000 * RAM_PAGES, sizeof(Uint8));
char *rom = argv[i++];
if(!system_init(&u, ram, rom)) {
if(!system_init(&u, ram, rom))
return system_error("Init", "Failed to initialize uxn.");
}
if(!system_init(&u_audio, ram, rom)) {
if(!system_init(&u_audio, ram, rom))
return system_error("Init", "Failed to initialize uxn.");
}
if(!emu_init(&u_audio))
return system_error("Init", "Failed to initialize varvara.");
/* Game Loop */