refactor itemz from separate program into the kasse program

fixes #18

related to issue #30

Author: stapelberg

Makefile

@@ -7,7 +7,7 @@ CFLAGS= -I include -t c128 -g
 
 .PHONY: clean dist-clean format
 
-all: kasse itemz cat
+all: kasse cat
 
 build/%.o: src/%.c ${INCLUDES}
 	${CC} ${CFLAGS} -O $< -o build/$(addsuffix .s,$(shell basename $< .c))
@@ -32,10 +32,7 @@ include/version.h: .git/index
 include/charset_umlauts.h: assets/umlauts.pbm
 	./util/mkfont assets/umlauts.pbm chars_umlauts > $@
 
-kasse: build/config.o build/kasse.o build/general.o build/credit_manager.o build/c128time.o build/print.o build/vdc_patch_charset.o build/vdc_util.o build/globals.o build/bcd2dec.o
-	${LD} -Ln $@.lbl -t c128 $^ -o $@
-
-itemz: build/config.o build/itemz.o build/general.o build/credit_manager.o build/c128time.o build/print.o build/globals.o build/bcd2dec.o build/vdc_util.o
+kasse: build/config.o build/kasse.o build/itemz.o build/general.o build/credit_manager.o build/c128time.o build/print.o build/vdc_patch_charset.o build/vdc_util.o build/globals.o build/bcd2dec.o
 	${LD} -Ln $@.lbl -t c128 $^ -o $@
 
 cat: build/general.o build/cat.o build/config.o build/print.o build/globals.o
@@ -50,7 +47,6 @@ ascii: build/print_ascii.o
 package: all
 	c1541 -format "${GV}",KA d71 kasse.d71
 	c1541 -attach kasse.d71 -write kasse
-	c1541 -attach kasse.d71 -write itemz
 	[ -e credits ] && c1541 -attach kasse.d71 -write credits || exit 0
 	[ -e items ] && c1541 -attach kasse.d71 -write items || exit 0
 
@@ -67,7 +63,7 @@ clean:
 	rm -rf build/*.o build/*.s test/test
 
 dist-clean: clean
-	rm -f kasse kasse.lbl itemz itemz.lbl cat cat.lbl kasse.d71
+	rm -f kasse kasse.lbl cat cat.lbl kasse.d71
 
 format:
 	clang-format-3.9 -i **/*.[ch]

include/itemz.h

@@ -0,0 +1,6 @@
+#ifndef ITEMZ_H
+#define ITEMZ_H
+
+void itemz_manager(void);
+
+#endif /* ITEMZ_H */

src/credit_manager.c

@@ -172,7 +172,7 @@ static void delete_credit(char *nickname) {
   return;
 }
 
-void credit_manager() {
+void credit_manager(void) {
   char nickname[NICKNAME_MAX_LEN + 1];
   char *c;
   while (1) {

src/itemz.c

@@ -25,7 +25,7 @@ static void itemz_print_screen(void) {
 
   clrscr();
   textcolor(TC_CYAN);
-  cprintf("itemz (" KASSE_AUTHORS ") v:" GV "\r\n\r\n");
+  cprintf("itemz_manager (" KASSE_AUTHORS ") v:" GV "\r\n\r\n");
   textcolor(TC_LIGHT_GRAY);
   cprintf("Datei: ITEMS\r\n\r\n");
   for (i = 0; i < max(status.num_items, 15); i++) {
@@ -39,12 +39,11 @@ static void itemz_print_screen(void) {
 
   cprintf("\r\n");
   MENU_KEY("  n", "Neu");
-  MENU_KEY("      d", "L" oUML "schen");
+  MENU_KEY("    d", "L" oUML "schen");
   MENU_KEY("  s", "Speichern");
-  MENU_KEY("  g", "Guthabenverwaltung");
   cprintf("\r\n");
-  MENU_KEY("  q", "Beenden");
-  MENU_KEY("  r", "Reset des Verkauft-Z" aUML "hlers");
+  MENU_KEY("  z", "Zur" uUML "ck");
+  MENU_KEY(" r", "Reset des Verkauft-Z" aUML "hlers");
   cprintf("\r\n");
 }
 
@@ -115,7 +114,7 @@ static void reset_counters(void) {
   }
 }
 
-static void itemz_manager() {
+void itemz_manager() {
   char *c;
   while (1) {
     itemz_print_screen();
@@ -133,34 +132,12 @@ static void itemz_manager() {
     case 'r':
       reset_counters();
       break;
-    case 'g':
-      return; // switch to credit mode
-    case 'q':
-      exit(0);
+    case 'z':
+      save_items();
+      return;
     default:
       cprintf("Unbekannter Befehl, druecke RETURN...\r\n");
       cget_return();
     }
   }
 }
-
-int main(void) {
-  videomode(VIDEOMODE_80x25);
-
-  /*  clock CPU at double the speed (a whopping 2 Mhz!) */
-  fast();
-
-  credits.num_items = 0;
-  status.num_items = 0;
-  cprintf("itemz loading...\n");
-  load_config();
-  cprintf("itemz: loading ITEMS...\n");
-  load_items();
-  cprintf("itemz: loading CREDITS...\n");
-  load_credits();
-  while (1) {
-    itemz_manager();
-    credit_manager();
-  }
-  return 0;
-}

src/kasse.c

@@ -16,6 +16,7 @@
 #include "config.h"
 #include "kasse.h"
 #include "credit_manager.h"
+#include "itemz.h"
 #include "c128time.h"
 #include "print.h"
 #include "version.h"
@@ -84,7 +85,8 @@ static void print_screen(void) {
           "\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xC0\xBD"
           "\r\n");
 
-  MENU_KEY("   s", "Daten sichern                                  ");
+  MENU_KEY("   s", "Daten sichern       ");
+  MENU_KEY("i", "Itemzverwaltung         ");
   MENU_KEY("g", "Guthabenverwaltung\r\n");
   MENU_KEY("   z", "Zeit setzen         ");
   MENU_KEY("f", "Freitext verkaufen      ");
@@ -368,6 +370,9 @@ int main(void) {
       cget_return();
     } else if (*c == 'g') {
       credit_manager();
+    } else if (*c == 'i') {
+      itemz_manager();
+      load_items();
     } else if (*c == 'z') {
       set_time_interactive();
     } else if (*c == 'q')