From 3744bec21887a844157a12bbca46db1c551170a6 Mon Sep 17 00:00:00 2001
From: Leonid Plyushch <leonid.plyushch@gmail.com>
Date: Fri, 24 Jan 2020 21:11:03 +0200
Subject: [PATCH] new package: 8086tiny

Requested in https://github.com/termux/termux-packages/issues/4828.
---
 packages/8086tiny/8086tiny.sh         | 83 +++++++++++++++++++++++++++
 packages/8086tiny/Makefile.patch      | 27 +++++++++
 packages/8086tiny/build.sh            | 23 ++++++++
 packages/8086tiny/timeb-android.patch | 41 +++++++++++++
 4 files changed, 174 insertions(+)
 create mode 100755 packages/8086tiny/8086tiny.sh
 create mode 100644 packages/8086tiny/Makefile.patch
 create mode 100644 packages/8086tiny/build.sh
 create mode 100644 packages/8086tiny/timeb-android.patch

diff --git a/packages/8086tiny/8086tiny.sh b/packages/8086tiny/8086tiny.sh
new file mode 100755
index 000000000..779081e71
--- /dev/null
+++ b/packages/8086tiny/8086tiny.sh
@@ -0,0 +1,83 @@
+#!@TERMUX_PREFIX@/bin/bash
+
+VERSION="@PACKAGE_VERSION@"
+
+PROGRAM="@TERMUX_PREFIX@/libexec/8086tiny"
+BIOS_IMAGE=""
+FD_IMAGE=""
+HDD_IMAGE=""
+
+cleanup() {
+	stty cooked echo
+	echo
+}
+
+usage() {
+	echo "Usage: 8086tiny [bios image] [floppy image] [harddisk image]"
+	echo
+	echo "8086tiny is a tiny, free, open source, portable Intel PC emulator/VM."
+	echo
+	echo "Options:"
+	echo
+	echo " -h, --help       show this help and exit"
+	echo " -v, --version    show version information"
+	echo
+}
+
+while (( $# > 0 )); do
+	case "$1" in
+		-h|--help)
+			usage
+			exit 0
+			;;
+		-v|--version)
+			echo "8086tiny $VERSION"
+			exit 0
+			;;
+		-*)
+			echo "Unknown option '$1'."
+			echo
+			usage
+			exit 1
+			;;
+		*)
+			if [ -z "$BIOS_IMAGE" ]; then
+				BIOS_IMAGE="$1"
+				shift 1
+				continue
+			fi
+
+			if [ -z "$FD_IMAGE" ]; then
+				FD_IMAGE="$1"
+				shift 1
+				continue
+			fi
+
+			if [ -z "$HDD_IMAGE" ]; then
+				HDD_IMAGE="$1"
+				shift 1
+				continue
+			fi
+			;;
+	esac
+	shift 1
+done
+
+if [ -z "$BIOS_IMAGE" ]; then
+	BIOS_IMAGE="@TERMUX_PREFIX@/share/8086tiny/bios.bin"
+fi
+
+if [ -z "$FD_IMAGE" ]; then
+	FD_IMAGE="@TERMUX_PREFIX@/share/8086tiny/dos.img"
+fi
+
+trap cleanup INT TERM
+stty cbreak raw -echo min 0
+
+if [ -n "$HDD_IMAGE" ]; then
+	"$PROGRAM" "$BIOS_IMAGE" "$FD_IMAGE" "$HDD_IMAGE"
+else
+	"$PROGRAM" "$BIOS_IMAGE" "$FD_IMAGE"
+fi
+
+cleanup
diff --git a/packages/8086tiny/Makefile.patch b/packages/8086tiny/Makefile.patch
new file mode 100644
index 000000000..e44c041ae
--- /dev/null
+++ b/packages/8086tiny/Makefile.patch
@@ -0,0 +1,27 @@
+diff -uNr 8086tiny/Makefile 8086tiny.mod/Makefile
+--- 8086tiny/Makefile	2014-03-20 01:08:16.000000000 +0200
++++ 8086tiny.mod/Makefile	2020-01-24 20:38:58.709164842 +0200
+@@ -7,22 +7,19 @@
+ # 8086tiny_slowcpu improves graphics performance on slow platforms (e.g. Raspberry Pi)
+ # no_graphics compiles without SDL graphics/sound
+ 
+-OPTS_ALL=-O3 -fsigned-char -std=c99
++OPTS_ALL=$(CPPFLAGS) $(CFLAGS) -fsigned-char -std=c99
+ OPTS_SDL=`sdl-config --cflags --libs`
+ OPTS_NOGFX=-DNO_GRAPHICS
+ OPTS_SLOWCPU=-DGRAPHICS_UPDATE_DELAY=25000
+ 
+ 8086tiny: 8086tiny.c
+ 	${CC} 8086tiny.c ${OPTS_SDL} ${OPTS_ALL} -o 8086tiny
+-	strip 8086tiny
+ 
+ 8086tiny_slowcpu: 8086tiny.c
+ 	${CC} 8086tiny.c ${OPTS_SDL} ${OPTS_ALL} ${OPTS_SLOWCPU} -o 8086tiny
+-	strip 8086tiny
+ 
+ no_graphics: 8086tiny.c
+ 	${CC} 8086tiny.c ${OPTS_NOGFX} ${OPTS_ALL} -o 8086tiny
+-	strip 8086tiny
+ 
+ clean:
+ 	rm 8086tiny
diff --git a/packages/8086tiny/build.sh b/packages/8086tiny/build.sh
new file mode 100644
index 000000000..e6589d1d8
--- /dev/null
+++ b/packages/8086tiny/build.sh
@@ -0,0 +1,23 @@
+TERMUX_PKG_HOMEPAGE=https://github.com/adriancable/8086tiny
+TERMUX_PKG_DESCRIPTION="A PC XT-compatible emulator/virtual machine"
+TERMUX_PKG_LICENSE="MIT"
+TERMUX_PKG_VERSION=1.25
+# Version tag is unavailable.
+TERMUX_PKG_SRCURL=https://github.com/adriancable/8086tiny/archive/c79ca2a34d96931d55ef724c815b289d0767ae3a.tar.gz
+TERMUX_PKG_SHA256=ede246503a745274430fdee77ba639bc133a2beea9f161bff3f7132a03544bf6
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_pre_configure() {
+	CPPFLAGS+=" -DNO_GRAPHICS"
+}
+
+termux_step_make_install() {
+	install -Dm700 8086tiny "$TERMUX_PREFIX"/libexec/8086tiny
+	install -Dm600 bios "$TERMUX_PREFIX"/share/8086tiny/bios.bin
+	install -Dm600 fd.img "$TERMUX_PREFIX"/share/8086tiny/dos.img
+
+	sed -e "s|@TERMUX_PREFIX@|$TERMUX_PREFIX|g" \
+		-e "s|@PACKAGE_VERSION@|$TERMUX_PKG_VERSION|g" \
+		"$TERMUX_PKG_BUILDER_DIR"/8086tiny.sh > "$TERMUX_PREFIX"/bin/8086tiny
+	chmod 700 "$TERMUX_PREFIX"/bin/8086tiny
+}
diff --git a/packages/8086tiny/timeb-android.patch b/packages/8086tiny/timeb-android.patch
new file mode 100644
index 000000000..a34a0f8fd
--- /dev/null
+++ b/packages/8086tiny/timeb-android.patch
@@ -0,0 +1,41 @@
+diff -uNr 8086tiny/8086tiny.c 8086tiny.mod/8086tiny.c
+--- 8086tiny/8086tiny.c	2014-03-20 01:08:16.000000000 +0200
++++ 8086tiny.mod/8086tiny.c	2020-01-24 20:36:56.725634080 +0200
+@@ -6,7 +6,37 @@
+ // This work is licensed under the MIT License. See included LICENSE.TXT.
+ 
+ #include <time.h>
++#ifndef __ANDROID__
+ #include <sys/timeb.h>
++#else
++struct timeb {
++	time_t time;        /* Seconds since epoch, as from `time'.  */
++	unsigned short int millitm; /* Additional milliseconds.  */
++	short int timezone;     /* Minutes west of GMT.  */
++	short int dstflag;      /* Nonzero if Daylight Savings Time used.  */
++};
++
++int ftime(struct timeb *tb)
++{
++	struct timeval  tv;
++	struct timezone tz;
++
++	if (gettimeofday (&tv, &tz) < 0)
++		return -1;
++
++	tb->time    = tv.tv_sec;
++	tb->millitm = (tv.tv_usec + 500) / 1000;
++
++	if (tb->millitm == 1000) {
++		++tb->time;
++		tb->millitm = 0;
++	}
++	tb->timezone = tz.tz_minuteswest;
++	tb->dstflag  = tz.tz_dsttime;
++
++	return 0;
++}
++#endif
+ #include <memory.h>
+ 
+ #ifndef _WIN32