From 936a48f7279542b78b012517f27aea4380e70c18 Mon Sep 17 00:00:00 2001
From: kdx <kikoodx@paranoici.org>
Date: Sat, 15 Apr 2023 13:32:44 +0200
Subject: art of shitty shell scripts

---
 .gitignore    |  5 +++--
 build.sh      |  5 +++--
 embed.sh      | 10 ++++++++++
 embed_win.sh  | 10 ++++++++++
 src/orgaemu.c | 27 ++++++++++++++++++++-------
 5 files changed, 46 insertions(+), 11 deletions(-)
 create mode 100755 embed.sh
 create mode 100755 embed_win.sh

diff --git a/.gitignore b/.gitignore
index ba302ed..7fbcde6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
-/orgaasm
-/orgaemu
+/orgaasm*
+/orgaemu*
 /*.rom
+/src/rom.h
diff --git a/build.sh b/build.sh
index 85d04c6..f670638 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 CFLAGS='-std=c99 -Wall -Wextra -O2'
+[ "$CC" == "" ] && CC=gcc
 printf 'orgaasm\n'
-gcc $CFLAGS -o orgaasm src/orgaasm.c
+$CC $CFLAGS -o orgaasm src/orgaasm.c
 printf 'orgaemu\n'
-gcc $CFLAGS -o orgaemu src/orgaemu.c -lSDL2
+$CC $CFLAGS -o orgaemu src/orgaemu.c $@ -lSDL2
diff --git a/embed.sh b/embed.sh
new file mode 100755
index 0000000..67062ba
--- /dev/null
+++ b/embed.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+./build.sh
+TMPASM="$(mktemp)"
+cd "$(dirname "$1")" || exit 1
+m4 "$(basename "$1")" >"$TMPASM" || exit 1
+cd "$OLDPWD" || exit 1
+./orgaasm "$TMPASM" rom || exit 1
+cembed rom >src/rom.h || exit 1
+rm -f rom
+./build.sh -DEMBED_ROM=
diff --git a/embed_win.sh b/embed_win.sh
new file mode 100755
index 0000000..53c935c
--- /dev/null
+++ b/embed_win.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+./build.sh
+TMPASM="$(mktemp)"
+cd "$(dirname "$1")" || exit 1
+m4 "$(basename "$1")" >"$TMPASM" || exit 1
+cd "$OLDPWD" || exit 1
+./orgaasm "$TMPASM" rom || exit 1
+cembed rom >src/rom.h || exit 1
+rm -f rom
+CC=x86_64-w64-mingw32-gcc ./build.sh -DEMBED_ROM= -Dmain=SDL_main -lmingw32 -lSDL2main -mwindows
diff --git a/src/orgaemu.c b/src/orgaemu.c
index 4de09cf..ecc9c4d 100644
--- a/src/orgaemu.c
+++ b/src/orgaemu.c
@@ -1,9 +1,14 @@
-#include "drain.h"
 #include "ops.h"
 #include <stdio.h>
 #include <stdint.h>
 #include <SDL2/SDL.h>
 
+#ifdef EMBED_ROM
+#include "rom.h"
+#else
+#include "drain.h"
+#endif
+
 #define MEM_SIZE 0xffff
 
 static const uint16_t buttons[SDL_NUM_SCANCODES] = {
@@ -123,10 +128,9 @@ render(uint16_t *mem)
 
 	next_time += 1000 / 30;
 	const Uint64 cur_time = SDL_GetTicks64();
-	if (next_time <= cur_time) {
-		fprintf(stderr, "lagging %lu\n", cur_time - next_time);
+	if (next_time <= cur_time)
 		next_time = cur_time;
-	} else
+	else
 		SDL_Delay(next_time - cur_time);
 
 	SDL_RenderPresent(renderer);
@@ -349,12 +353,22 @@ exec_data(uint16_t *mem)
 int
 main(int argc, char **argv)
 {
+#ifdef EMBED_ROM
+	(void)argc, (void)argv;
+	mem = calloc(MEM_SIZE, sizeof(uint16_t));
+	if (mem == NULL) {
+		perror("main:calloc");
+		return 1;
+	}
+	for (unsigned i = 0; i < sizeof(rom); i += 2)
+		mem[i / 2] = get_short(rom + i);
+#else
 	if (argc != 2) {
 		fprintf(stderr, "usage: %s <rom>\n", argv[0]);
 		return 1;
 	}
 
-	FILE *file = fopen(argv[1], "rb");
+	FILE *const file = fopen(argv[1], "rb");
 	if (file == NULL) {
 		perror(argv[1]);
 		return 1;
@@ -372,10 +386,9 @@ main(int argc, char **argv)
 		free(data);
 		return 1;
 	}
-
 	for (long i = 0; i < size; i += 2)
 		mem[i / 2] = get_short(data + i);
-	free(data);
+#endif
 
 	stack = calloc(MEM_SIZE, sizeof(uint16_t));
 	if (stack == NULL) {
-- 
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