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Diff for /xmil/io/crtc.c between versions 1.10 and 1.12

version 1.10, 2004/08/12 20:09:42 version 1.12, 2004/08/13 02:16:33
Line 1 Line 1
 #include        "compiler.h"  #include        "compiler.h"
 #include        "scrnmng.h"  #include        "scrnmng.h"
   #include        "z80core.h"
 #include        "pccore.h"  #include        "pccore.h"
 #include        "iocore.h"  #include        "iocore.h"
 #include        "vram.h"  #include        "vram.h"
Line 171  void crtc_regupdate(void) { Line 172  void crtc_regupdate(void) {
   
         fontyclock = fonty * RASTER_CLOCK;          fontyclock = fonty * RASTER_CLOCK;
         crtc.e.dispclock = fontyclock * crtc.e.yl;          crtc.e.dispclock = fontyclock * crtc.e.yl;
           // YsIIIが yl==0で disp信号見る…なんで？
           if (!crtc.e.dispclock) {
                   crtc.e.dispclock = fontyclock;
           }
         crtc.e.vsyncstart = fontyclock * ((crtc.s.reg[CRTCREG_VSYNC] & 0x7f) + 1);          crtc.e.vsyncstart = fontyclock * ((crtc.s.reg[CRTCREG_VSYNC] & 0x7f) + 1);
         crtc.e.vpulseclock = (crtc.s.reg[CRTCREG_PULSE] >> 4) * RASTER_CLOCK;          crtc.e.vpulseclock = (crtc.s.reg[CRTCREG_PULSE] >> 4) * RASTER_CLOCK;
         crtc.e.vl = fonty * ((crtc.s.reg[CRTCREG_VSIZE] & 0x7f) + 1)          crtc.e.vl = fonty * ((crtc.s.reg[CRTCREG_VSIZE] & 0x7f) + 1)
Removed from v.1.10  
changed lines
  Added in v.1.12

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