Scanrate fix for visual debugger

- Initialize and clamp local maxhpos and maxvpos values if scanrate changes.
 - Initialize "dma_rec->end" when recording DMA to prevent  false hsync record if scanrate changes.

diff --git a/debug.cpp b/debug.cpp
index 7e16b10fba9d0b699592714e05e05f8537965f57..826950ad1ddfe122e589efe73ca4aa564ad82fc8 100644 (file)
--- a/debug.cpp
+++ b/debug.cpp
@@ -1900,6 +1900,8 @@ void record_dma_vsync(int vp)
        dr = &dma_record[dma_record_toggle][vp * NR_DMA_REC_HPOS];
        dr->end = true;
 
+       record_dma_maxvpos = vp;
+
        cycles_toggle = cycles_toggle ? 0 : 1;
 }
 
@@ -1914,11 +1916,16 @@ void record_dma_hsync(int lasthpos)
 
        dr = &dma_record[dma_record_toggle][vpos * NR_DMA_REC_HPOS + lasthpos];
        dr->end = true;
-       if (lasthpos > record_dma_maxhpos) {
+
+       if (vpos == 0) {
                record_dma_maxhpos = lasthpos;
-       }
-       if (vpos > record_dma_maxvpos) {
-               record_dma_maxvpos = vpos;
+       } else {
+               if (lasthpos > record_dma_maxhpos) {
+                       record_dma_maxhpos = lasthpos;
+               }
+               if (vpos > record_dma_maxvpos) {
+                       record_dma_maxvpos = vpos;
+               }
        }
 
 #if 0
@@ -2028,6 +2035,7 @@ void record_dma_write(uae_u16 reg, uae_u32 dat, uae_u32 addr, int hpos, int vpos
        dr->intlev = regs.intmask;
        dr->ipl = regs.ipl_pin;
        dr->size = 2;
+       dr->end = false;
        last_dma_rec = dr;
        debug_mark_refreshed(dr->addr);
 }
@@ -2134,6 +2142,7 @@ void record_dma_read(uae_u16 reg, uae_u32 addr, int hpos, int vpos, int type, in
        dr->extra = extra;
        dr->intlev = regs.intmask;
        dr->ipl = regs.ipl_pin;
+       dr->end = false;
 
        last_dma_rec = dr;
        debug_mark_refreshed(dr->addr);