104 lines
1.7 KiB
C
104 lines
1.7 KiB
C
/* PDCurses */
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#include "pdcdos.h"
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void PDC_beep(void)
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{
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PDCREGS regs;
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PDC_LOG(("PDC_beep() - called\n"));
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regs.W.ax = 0x0e07; /* Write ^G in TTY fashion */
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regs.W.bx = 0;
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PDCINT(0x10, regs);
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}
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void PDC_napms(int ms)
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{
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PDCREGS regs;
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long goal, start, current;
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PDC_LOG(("PDC_napms() - called: ms=%d\n", ms));
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goal = DIVROUND((long)ms, 50);
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if (!goal)
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goal++;
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start = getdosmemdword(0x46c);
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goal += start;
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while (goal > (current = getdosmemdword(0x46c)))
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{
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if (current < start) /* in case of midnight reset */
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return;
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regs.W.ax = 0x1680;
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PDCINT(0x2f, regs);
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PDCINT(0x28, regs);
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}
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}
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const char *PDC_sysname(void)
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{
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return "DOS";
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}
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#ifdef __DJGPP__
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unsigned char getdosmembyte(int offset)
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{
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unsigned char b;
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dosmemget(offset, sizeof(unsigned char), &b);
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return b;
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}
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unsigned short getdosmemword(int offset)
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{
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unsigned short w;
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dosmemget(offset, sizeof(unsigned short), &w);
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return w;
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}
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unsigned long getdosmemdword(int offset)
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{
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unsigned long dw;
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dosmemget(offset, sizeof(unsigned long), &dw);
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return dw;
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}
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void setdosmembyte(int offset, unsigned char b)
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{
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dosmemput(&b, sizeof(unsigned char), offset);
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}
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void setdosmemword(int offset, unsigned short w)
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{
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dosmemput(&w, sizeof(unsigned short), offset);
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}
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#endif
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#if defined(__WATCOMC__) && defined(__386__)
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void PDC_dpmi_int(int vector, pdc_dpmi_regs *rmregs)
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{
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union REGPACK regs = {0};
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rmregs->w.ss = 0;
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rmregs->w.sp = 0;
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rmregs->w.flags = 0;
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regs.w.ax = 0x300;
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regs.h.bl = vector;
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regs.x.edi = FP_OFF(rmregs);
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regs.x.es = FP_SEG(rmregs);
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intr(0x31, ®s);
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}
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#endif
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