diff --git a/c/Makefile b/c/Makefile
index 8f6a49b..754a916 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -4,6 +4,7 @@ PROJNAME=scoundrel
 CFILES=scoundrel.c
 PBTDIR=platform-build-tools
 CCBUILD=cl65 --standard c89 -O -Os
+Z80BUILD=zcc
 BUILDDIR=build
 
 $(PROJNAME): bdir
@@ -48,7 +49,17 @@ pet: bdir
 plus4: bdir
 	$(CCBUILD) -t plus4 -o $(BUILDDIR)/$(PROJNAME)-plus4.bin $(CFILES)
 
-all: $(PROJNAME) a2 a2e atari8bit c64 c16 c128 pet plus4
+msx: bdir
+	$(Z80BUILD) +msx -create-app -subtype=rom $(CFILES) -o $(PROJNAME)
+	mv $(PROJNAME).rom $(BUILDDIR)/$(PROJNAME)-msx.rom
+	rm -f $(PROJNAME) *.bin *.img
+
+zxspec: bdir
+	$(Z80BUILD) +zx -lndos -clib=ansi -pragma-define:ansicolumns=40 -create-app $(CFILES) -o $(PROJNAME)
+	mv $(PROJNAME).tap $(BUILDDIR)/$(PROJNAME)-zxspec.tap
+	rm $(PROJNAME)
+
+all: $(PROJNAME) a2 a2e atari8bit c64 c16 c128 pet plus4 zxspec msx
 
 clean:
 	rm -rf $(BUILDDIR) *.o
diff --git a/c/scoundrel.c b/c/scoundrel.c
index 6bb6f6c..0d56d3a 100644
--- a/c/scoundrel.c
+++ b/c/scoundrel.c
@@ -8,10 +8,35 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef __CC65__
+#if defined(__CC65__) || defined(__Z80__)
+#define RETRO_IMPL
+#endif
+#ifndef RETRO_IMPL
 #include <time.h>
 #endif
 
+char scanchar() {
+  char c;
+  scanf(" %c", &c);
+  return c;
+}
+
+#ifdef RETRO_IMPL
+void randomize() {
+  int seed = 0, i, x, n = 6;
+  printf("\nType %d characters: ", n);
+  for(i=0;i<n;i++) {
+    x = (int) scanchar();
+    x ^= x << 7;
+    x ^= x >> 9;
+    x ^= x << 8;
+    seed ^= x;
+  }
+  srand(seed);
+  printf("\n");
+}
+#endif
+
 /* UI choices */
 #define CH1 0
 #define CH2 1
@@ -51,7 +76,7 @@ void print_msg(char *s) {
 char get_choice() {
   char c, res;
   printf("Your choice: ");
-  scanf(" %c", &c);
+  c = scanchar();
   switch(c) {
     case 'a':
     case 'A':
@@ -88,8 +113,7 @@ char get_choice() {
 int confirm(char *prompt) {
   char c, d;
   printf("%s", prompt);
-  c = getchar();
-  scanf(" %c", &c);
+  c = scanchar();
   if(c == 'y' || c == 'Y') d = 1;
   else d = 0;
   printf("\n");
@@ -322,8 +346,8 @@ int game() {
 /* Entry point */
 int main() {
   int score;
-#ifdef __CC65__
-  _randomize();
+#ifdef RETRO_IMPL
+  randomize();
 #else
   srand(time(NULL));
 #endif