diff --git a/libsrc/osic1p/cpeekc.s b/libsrc/osic1p/cpeekc.s
new file mode 100644
index 000000000..55a170501
--- /dev/null
+++ b/libsrc/osic1p/cpeekc.s
@@ -0,0 +1,17 @@
+;
+; 2017-06-21, Greg King
+;
+; char cpeekc (void);
+;
+; Get a character from OSI C1P screen RAM.
+;
+        .export         _cpeekc
+
+        .include        "extzp.inc"
+
+
+_cpeekc:
+        ldy     CURS_X
+        lda     (SCREEN_PTR),y
+        ldx     #>$0000
+        rts
diff --git a/libsrc/osic1p/cpeekcolor.s b/libsrc/osic1p/cpeekcolor.s
new file mode 100644
index 000000000..ed275ec95
--- /dev/null
+++ b/libsrc/osic1p/cpeekcolor.s
@@ -0,0 +1,8 @@
+;
+; 2017-06-03, Greg King
+;
+; unsigned char cpeekcolor (void);
+;
+
+        .import         return1
+        .export         _cpeekcolor := return1  ; always COLOR_WHITE
diff --git a/libsrc/osic1p/cpeekrevers.s b/libsrc/osic1p/cpeekrevers.s
new file mode 100644
index 000000000..ab7c68b35
--- /dev/null
+++ b/libsrc/osic1p/cpeekrevers.s
@@ -0,0 +1,9 @@
+;
+; 2017-06-15, Greg King
+;
+; unsigned char cpeekrevers (void);
+;
+; Get a reverse attribute from screen RAM
+;
+        .import         return0
+        .export         _cpeekrevers := return0 ; No attribute
diff --git a/targettest/Makefile b/targettest/Makefile
index 35b767727..f78e22461 100644
--- a/targettest/Makefile
+++ b/targettest/Makefile
@@ -624,6 +624,7 @@ EXELIST_pce = \
 # stroserror-test strqtok-test uname-test
 EXELIST_osic1p = \
 	minimal \
+	conio \
 	cursor \
 	mul-test
 
diff --git a/targettest/conio.c b/targettest/conio.c
index 56fc5dcda..8ebb15bd5 100644
--- a/targettest/conio.c
+++ b/targettest/conio.c
@@ -15,12 +15,16 @@
 #include <stdlib.h>
 #include <joystick.h>
 
-#if defined(__GAMATE__)
+#if defined(__GAMATE__) || defined(__OSIC1P__)
 /* there is not enough screen space to show all 256 characters at the bottom */
 #define NUMCHARS        128
-#define NUMCOLS           4
 #else
 #define NUMCHARS        256
+#endif
+
+#if defined(__GAMATE__)
+#define NUMCOLS           4
+#else
 #define NUMCOLS          16
 #endif
 
@@ -79,6 +83,7 @@ void peektest(void)
         revers(rbuf[j]);
         cputc(buf[j]);
     }
+#if !defined (__OSIC1P__)
     gotoxy(0, LINE_PEEKTEST);
     cpeeks(buf, NUMCOLS);
     (void)textcolor(1);
@@ -87,6 +92,7 @@ void peektest(void)
     for (j = 0; j < NUMCOLS; ++j) {
         cputc(buf[j]);
     }
+#endif
 }
 
 void main(void)
@@ -134,7 +140,8 @@ void main(void)
                 }
         }
 
-        gotoxy(0, ysize - 2 - ((NUMCHARS + xsize) / xsize));
+        gotoxy(0, ysize - 3 - ((NUMCHARS + xsize) / xsize));
+        // one line with 0123..pattern
         revers(1);
         for (i = 0; i < xsize; ++i) {
                 cputc('0' + i % 10);
@@ -147,9 +154,11 @@ void main(void)
                     cputc(' ');
             }
         }
+        // fill last line of the block with '#'
         while(wherex() > 0) {
                 cputc('#');
         }
+        // one more line with 0123..pattern
         revers(1);
         for (i = 0; i < xsize; ++i) {
                 cputc('0' + i % 10);