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| Rev 1562 | Rev 1564 | ||
|---|---|---|---|
| Line 153... | Line 153... | ||
| 153 | 153 | ||
| 154 | static void scroll(int rows) |
154 | static void scroll(int rows) |
| 155 | { |
155 | { |
| 156 | int i; |
156 | int i; |
| 157 | if (rows > 0) { |
157 | if (rows > 0) { |
| 158 | memcpy(scr_addr,((char *)scr_addr)+rows*scr_width*2,scr_width*scr_height*2-rows*scr_width*2); |
158 | memcpy(scr_addr,((char *)scr_addr) + rows * scr_width * 2, scr_width * scr_height * 2 - rows * scr_width * 2); |
| 159 | for(i=0;i<rows*scr_width;i++) |
159 | for(i = 0; i < rows * scr_width ; i ++) |
| 160 | (((short *)scr_addr)+scr_width*scr_height-rows*scr_width)[i]=((style<<8)+' '); |
160 | (((short *)scr_addr) + scr_width * scr_height - rows * scr_width) [i] = ((style << 8) + ' '); |
| 161 | } else if (rows < 0) { |
161 | } else if (rows < 0) { |
| 162 | 162 | ||
| 163 | memcpy(((char *)scr_addr)-rows*scr_width*2,scr_addr,scr_width*scr_height*2+rows*scr_width*2); |
163 | memcpy(((char *)scr_addr) - rows * scr_width * 2 ,scr_addr ,scr_width * scr_height * 2 + rows * scr_width * 2); |
| 164 | for(i=0;i<-rows*scr_width;i++) |
164 | for( i = 0; i < - rows * scr_width ; i++) |
| 165 | ((short *)scr_addr)[i]=((style<<8)+' '); |
165 | ((short *)scr_addr) [i] = ((style << 8 ) + ' '); |
| 166 | } |
166 | } |
| 167 | } |
167 | } |
| 168 | 168 | ||
| 169 | static void printchar(char c, unsigned int row, unsigned int col) |
169 | static void printchar(char c, unsigned int row, unsigned int col) |
| 170 | { |
170 | { |
| Line 189... | Line 189... | ||
| 189 | 189 | ||
| 190 | static int save_screen(void) |
190 | static int save_screen(void) |
| 191 | { |
191 | { |
| 192 | int i; |
192 | int i; |
| 193 | short *mem; |
193 | short *mem; |
| 194 | for(i=0;(i<MAX_SAVED_SCREENS)&&(saved_screens[i].data);i++); |
194 | for( i=0 ;( i < MAX_SAVED_SCREENS ) && (saved_screens[i].data); i++); |
| 195 | if(i==MAX_SAVED_SCREENS) return EINVAL; |
195 | if( i == MAX_SAVED_SCREENS) |
| - | 196 | return EINVAL; |
|
| 196 | if(!(saved_screens[i].data=malloc(2*scr_width*scr_height))) return ENOMEM; |
197 | if(!(saved_screens[i].data=malloc( 2 * scr_width*scr_height ))) |
| - | 198 | return ENOMEM; |
|
| 197 | memcpy(saved_screens[i].data,scr_addr,2*scr_width*scr_height); |
199 | memcpy(saved_screens[i].data,scr_addr, 2 * scr_width * scr_height ) |
| - | 200 | ; |
|
| 198 | return i; |
201 | return i; |
| 199 | } |
202 | } |
| 200 | 203 | ||
| 201 | static int print_screen(int i) |
204 | static int print_screen(int i) |
| 202 | { |
205 | { |