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 31 uint32_t addr;
32 32 DisplayState *ds;
33 33 uint8_t *vram;
34   - unsigned long vram_offset;
  34 + ram_addr_t vram_offset;
35 35 uint16_t width, height;
36 36 uint8_t r[256], g[256], b[256];
37 37 uint8_t dac_index, dac_state;
... ... @@ -86,8 +86,8 @@ static void tcx_draw_line8(TCXState *s1, uint8_t *d,
86 86 static void tcx_update_display(void *opaque)
87 87 {
88 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 91 uint8_t *d, *s;
92 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 95 return;
96 96 page = ts->vram_offset;
97 97 y_start = -1;
98   - page_min = 0x7fffffff;
99   - page_max = -1;
  98 + page_min = 0xffffffff;
  99 + page_max = 0;
100 100 d = ts->ds->data;
101 101 s = ts->vram;
102 102 dd = ts->ds->linesize;
... ... @@ -154,7 +154,7 @@ static void tcx_update_display(void *opaque)
154 154 ts->width, y - y_start);
155 155 }
156 156 /* reset modified pages */
157   - if (page_max != -1) {
  157 + if (page_min <= page_max) {
158 158 cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
159 159 VGA_DIRTY_FLAG);
160 160 }
... ...