1 files changed, 105 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/dos/pdcutil.c b/payloads/libpayload/curses/PDCurses-3.4/dos/pdcutil.c
new file mode 100644
index 0000000000..b209352a39
--- /dev/null
+++ b/payloads/libpayload/curses/PDCurses-3.4/dos/pdcutil.c
@@ -0,0 +1,105 @@
+/* Public Domain Curses */
+
+#include "pdcdos.h"
+
+RCSID("$Id: pdcutil.c,v 1.24 2008/07/13 16:08:17 wmcbrine Exp $")
+
+void PDC_beep(void)
+{
+    PDCREGS regs;
+
+    PDC_LOG(("PDC_beep() - called\n"));
+
+    regs.W.ax = 0x0e07;       /* Write ^G in TTY fashion */
+    regs.W.bx = 0;
+    PDCINT(0x10, regs);
+}
+
+void PDC_napms(int ms)
+{
+    PDCREGS regs;
+    long goal, start, current;
+
+    PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
+
+    goal = DIVROUND((long)ms, 50);
+    if (!goal)
+        goal++;
+
+    start = getdosmemdword(0x46c);
+
+    goal += start;
+
+    while (goal > (current = getdosmemdword(0x46c)))
+    {
+        if (current < start)    /* in case of midnight reset */
+            return;
+
+        regs.W.ax = 0x1680;
+        PDCINT(0x2f, regs);
+        PDCINT(0x28, regs);
+    }
+}
+
+const char *PDC_sysname(void)
+{
+    return "DOS";
+}
+
+#ifdef __DJGPP__
+
+unsigned char getdosmembyte(int offset)
+{
+    unsigned char b;
+
+    dosmemget(offset, sizeof(unsigned char), &b);
+    return b;
+}
+
+unsigned short getdosmemword(int offset)
+{
+    unsigned short w;
+
+    dosmemget(offset, sizeof(unsigned short), &w);
+    return w;
+}
+
+unsigned long getdosmemdword(int offset)
+{
+    unsigned long dw;
+
+    dosmemget(offset, sizeof(unsigned long), &dw);
+    return dw;
+}
+
+void setdosmembyte(int offset, unsigned char b)
+{
+    dosmemput(&b, sizeof(unsigned char), offset);
+}
+
+void setdosmemword(int offset, unsigned short w)
+{
+    dosmemput(&w, sizeof(unsigned short), offset);
+}
+
+#endif
+
+#if defined(__WATCOMC__) && defined(__386__)
+
+void PDC_dpmi_int(int vector, pdc_dpmi_regs *rmregs)
+{
+    union REGPACK regs = {0};
+
+    rmregs->w.ss = 0;
+    rmregs->w.sp = 0;
+    rmregs->w.flags = 0;
+
+    regs.w.ax = 0x300;
+    regs.h.bl = vector;
+    regs.x.edi = FP_OFF(rmregs);
+    regs.x.es = FP_SEG(rmregs);
+
+    intr(0x31, &regs);
+}
+
+#endif