Fixed file handling, first steps for win32 and linux version

linux_src/Makefile

@@ -0,0 +1,40 @@
+PROGRAM_NAME := mt32-pi-ctl
+
+CXX = g++
+CC =  gcc
+AR =  ar
+AS =  as
+
+VPATH = .:../common_src
+INCLUDE = -I../common_src
+DEFINE = -DPROGRAM_NAME='"$(PROGRAM_NAME)"' -DUSE_CUSTOM_DELAY
+
+#CFLAGS = $(INCLUDE) -Os -s -m68000 -fomit-frame-pointer -mcrt=nix13 -msmall-code -fbaserel -mregparm -Wall -Werror -Wno-pointer-sign -std=gnu99 
+
+CFLAGS = $(INCLUDE) -O2 -ffunction-sections -fdata-sections -Wl,--gc-sections -Wall -Werror -Wno-pointer-sign -std=gnu99 $(DEFINE)
+
+CXXFLAGS = $(INCLUDE) -O2 -ffunction-sections -fdata-sections -Wl,--gc-sections -Wall -Werror $(DEFINE)
+
+LIBS = -lasound
+
+OBJ = mt32-pi.o midi_dev.o delay.o
+
+%.o : %.c
+	$(CC) -c -o $@ $< $(CFLAGS)
+	
+%.o : %.C
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+
+$(PROGRAM_NAME) : $(OBJ)
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
+.PHONY: clean
+clean :
+	rm -f $(OBJ) $(PROGRAM_NAME)
+
+.PHONY: dist
+dist: $(PROGRAM_NAME) 
+	cp -v $(PROGRAM_NAME) ../amiga_bin/
+	cp -v *.bmp ../amiga_bin/
+

linux_src/delay.c

@@ -0,0 +1,14 @@
+#include <time.h>
+#include <errno.h>
+
+#include "delay.h"
+
+void delay_ms(unsigned int delay) {
+	struct timespec ts, tr;
+	ts.tv_sec = (time_t)(delay/1000);
+	ts.tv_nsec = (long) ((delay%1000)*1000000);
+	while((clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, &tr))==EINTR) {
+		ts = tr;
+	}
+}
+

linux_src/midi_dev.c

@@ -0,0 +1,51 @@
+/*
+ * mt32-pi-control
+ *
+ * An mt32-pi control program for DOS PCs, Atari ST,
+ * and Amiga computers
+ *
+ * Copyright (C) 2021 Andreas Zdziarstek 
+ *
+ */
+
+#include <stdio.h>
+
+int mididev_init(void) {
+	return 0;
+}
+
+int mididev_deinit(void) {
+	return 0;
+}
+
+
+int mididev_send_bytes(const unsigned char *buf, int len) {
+	if(len==0) return 0;	
+	
+	if((buf[0] == 0xF0 && buf[len-1] == 0xF7) || len==3) {
+		for(int i=0; i<len; i++) {
+			fprintf(stderr, "%02X ", buf[i]);
+		}
+		fprintf(stderr, "\n");
+	} else {
+		fprintf(stderr, "Error: Non-SysEx message with more than 3 bytes.\n");
+		return -1;
+	}
+	
+	//fprintf(stderr, "len:%d end:%02X\n", len, buf[len-1]); 
+	//	for(int i=0; i<len; i++) {
+	//		fprintf(stderr, "%02X ", buf[i]);
+	//	}
+//fprintf(stderr, "\n");
+
+	return 0;
+}
+
+void mididev_print_usage(void) {}
+
+void mididev_add_optstr(char *optstr) {}
+
+int mididev_parse_arg(int c, const char *optarg) {
+	return 0;
+}
+