gwj / at91sam9263 · Commits

Commit 550be12730cfe3c2374deed6189bad281f476ec7

Authored by bellard
1 parent 979b67ad

fixed refresh logic (initial patch by Igor Kovalenko) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2077 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 6 additions and 6 deletions
hw/tcx.c
  View file @550be12
@@ -31,7 +31,7 @@ typedef struct TCXState { @@ -31,7 +31,7 @@ typedef struct TCXState {
31 uint32_t addr; 31 uint32_t addr;
32 DisplayState *ds; 32 DisplayState *ds;
33 uint8_t *vram; 33 uint8_t *vram;
34 - unsigned long vram_offset; 34 + ram_addr_t vram_offset;
35 uint16_t width, height; 35 uint16_t width, height;
36 uint8_t r[256], g[256], b[256]; 36 uint8_t r[256], g[256], b[256];
37 uint8_t dac_index, dac_state; 37 uint8_t dac_index, dac_state;
@@ -86,8 +86,8 @@ static void tcx_draw_line8(TCXState *s1, uint8_t *d, @@ -86,8 +86,8 @@ static void tcx_draw_line8(TCXState *s1, uint8_t *d,
86 static void tcx_update_display(void *opaque) 86 static void tcx_update_display(void *opaque)
87 { 87 {
88 TCXState *ts = opaque; 88 TCXState *ts = opaque;
89 - uint32_t page;  
90 - int y, page_min, page_max, y_start, dd, ds; 89 + ram_addr_t page, page_min, page_max;
  90 + int y, y_start, dd, ds;
91 uint8_t *d, *s; 91 uint8_t *d, *s;
92 void (*f)(TCXState *s1, uint8_t *d, const uint8_t *s, int width); 92 void (*f)(TCXState *s1, uint8_t *d, const uint8_t *s, int width);
93 93
@@ -95,8 +95,8 @@ static void tcx_update_display(void *opaque) @@ -95,8 +95,8 @@ static void tcx_update_display(void *opaque)
95 return; 95 return;
96 page = ts->vram_offset; 96 page = ts->vram_offset;
97 y_start = -1; 97 y_start = -1;
98 - page_min = 0x7fffffff;  
99 - page_max = -1; 98 + page_min = 0xffffffff;
  99 + page_max = 0;
100 d = ts->ds->data; 100 d = ts->ds->data;
101 s = ts->vram; 101 s = ts->vram;
102 dd = ts->ds->linesize; 102 dd = ts->ds->linesize;
@@ -154,7 +154,7 @@ static void tcx_update_display(void *opaque) @@ -154,7 +154,7 @@ static void tcx_update_display(void *opaque)
154 ts->width, y - y_start); 154 ts->width, y - y_start);
155 } 155 }
156 /* reset modified pages */ 156 /* reset modified pages */
157 - if (page_max != -1) { 157 + if (page_min <= page_max) {
158 cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE, 158 cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
159 VGA_DIRTY_FLAG); 159 VGA_DIRTY_FLAG);
160 } 160 }