uxn

commit 8b83ae7e38bb36ccb6fa28f8b3a0b99e283ae293
parent 753c5836e6604d31dbe5bec295cd4cef51d2fce8
Author: Hannah Crawford <hannah@embyr.sh>
Date:   Tue, 21 Sep 2021 21:22:58 +0100

Added scale (-s) flag

Diffstat:
M
README.md
 | 
4
++++
M
src/uxnemu.c
 | 
23
++++++++++++++++++-----

2 files changed, 22 insertions(+), 5 deletions(-)
diff --git a/README.md b/README.md
@@ -78,6 +78,10 @@ You can send events from Uxn to another application, or another instance of uxn,
 uxnemu orca.rom | shim
 ```
 
+## Emulator Options
+
+- `-s 1`, `-s 2` or `-s 3` set zoom (default 1)
+
 ## Emulator Controls
 
 - `F1` toggle zoom
diff --git a/src/uxnemu.c b/src/uxnemu.c
@@ -577,16 +577,29 @@ int
 main(int argc, char **argv)
 {
 	Uxn u;
-
-	stdin_event = SDL_RegisterEvents(1);
-	audio0_event = SDL_RegisterEvents(POLYPHONY);
-	SDL_CreateThread(stdin_handler, "stdin", NULL);
+	int i;
 
 	if(argc < 2) return error("usage", "uxnemu file.rom");
 	if(!uxn_boot(&u)) return error("Boot", "Failed to start uxn.");
-	if(!load(&u, argv[1])) return error("Load", "Failed to open rom.");
+
+	for(i = 1; i < argc - 1; i++) {
+		if(strcmp(argv[i], "-s") == 0) {
+			if((i + 1) < argc - 1) {
+				zoom = atoi(argv[++i]);
+				if(zoom < 1 || zoom > 3) return error("Opt", "-s Scale must be between 1 and 3.");
+			} else {
+				return error("Opt", "-s No scale provided.");
+			}
+		}
+	}
+
+	if(!load(&u, argv[argc - 1])) return error("Load", "Failed to open rom.");
 	if(!init()) return error("Init", "Failed to initialize emulator.");
 
+	stdin_event = SDL_RegisterEvents(1);
+	audio0_event = SDL_RegisterEvents(POLYPHONY);
+	SDL_CreateThread(stdin_handler, "stdin", NULL);
+
 	/* system   */ devsystem = uxn_port(&u, 0x0, system_talk);
 	/* console  */ devconsole = uxn_port(&u, 0x1, console_talk);
 	/* screen   */ devscreen = uxn_port(&u, 0x2, screen_talk);