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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; IMGVIEW.ASM |
2 | ; |
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3 | ; This program displays jpeg images. The window can be resized. |
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4 | ; |
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5 | ; Version 0.0 END OF 2003 |
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6 | ; Octavio Vega |
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7 | ; Version 0.1 7th March 2004 |
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8 | ; Mike Hibbett ( very small part! ) |
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9 | ; Version 0.11 7th April 2004 |
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10 | ; Ville Turjanmaa ( 'set_as_bgr' function ) |
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11 | ; Version 0.12 29th May 2004 |
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12 | ; Ivan Poddubny (correct "set_as_bgr"+parameters+boot+...) |
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13 | ; Version 0.12 30 de mayo 2004 |
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14 | ; Octavio Vega |
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15 | ; bugs correction and slideshow |
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16 | ; version 0.13 3 de junio 2004 |
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17 | ; Octavio Vega |
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18 | ; unos retoques |
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19 | ; version 0.14 10th August 2004 |
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20 | ; Mike Hibbett Added setting default colours |
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135 | diamond | 21 | ; version 0.15 24th August 2006 |
22 | ; diamond (rewritten to function 70) |
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31 | halyavin | 23 | ; |
135 | diamond | 24 | |
31 | halyavin | 25 | memsize=20000h |
26 | org 0 |
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27 | PARAMS = memsize - 1024 |
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28 | |||
180 | heavyiron | 29 | appname equ 'Jpegview ' |
30 | version equ '0.15' |
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31 | |||
31 | halyavin | 32 | use32 |
33 | |||
34 | db 'MENUET01' ; 8 byte id |
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35 | dd 0x01 ; header version |
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36 | dd START ; start of code |
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37 | dd I_END ; size of image |
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38 | dd memsize ; memory for app |
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39 | dd memsize - 1024 ; esp |
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40 | dd PARAMS , 0x0 ; I_Param , I_Icon |
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41 | |||
42 | stack_size=4096 + 1024 |
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43 | |||
132 | diamond | 44 | include 'macros.inc' |
31 | halyavin | 45 | |
46 | START: ; start of execution |
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47 | |||
48 | cmp [PARAMS], byte 0 |
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49 | jne check_parameters |
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50 | |||
51 | ; Calculate the 'free' memory available |
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52 | ; to the application, and create the malloc block from it |
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53 | .l1: |
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54 | mov ecx,memsize-fin-stack_size |
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55 | mov edi,fin |
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56 | call add_mem |
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57 | |||
58 | call colorprecalc ;inicializa tablas usadas para pasar de ybr a bgr |
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59 | call draw_window |
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60 | call read_string.rs_done |
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61 | |||
62 | still: |
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63 | push still |
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64 | mov ebx,100 ;1 second |
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65 | mov eax,23 ; wait here for event |
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66 | int 0x40 |
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67 | cmp eax,1 ; redraw request ? |
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68 | je draw_window |
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69 | cmp eax,2 ; key in buffer ? |
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70 | je read_string |
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71 | cmp eax,3 ; button in buffer ? |
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72 | je button |
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73 | jmp display_next |
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74 | |||
75 | button: ; BUTTON |
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76 | mov eax,17 |
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77 | int 0x40 |
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78 | cmp ah,3 |
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79 | je set_as_bgr2 |
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80 | cmp ah,2 |
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81 | je slideshow |
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82 | cmp ah,1 ; CLOSE PROGRAM |
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83 | jne close_program.exit |
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84 | close_program: |
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85 | mov eax,-1 |
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86 | int 0x40 |
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87 | .exit: |
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88 | ret |
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89 | |||
90 | ; Put a 'chunk' of the image on the window |
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91 | put_image: |
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92 | pushad |
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93 | |||
94 | lea ebp,[edx+eax+7] |
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95 | cmp [winxs],bp |
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96 | jc .l1 |
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97 | lea ebp,[ecx+ebx+20+2+17] |
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98 | cmp [winys],bp |
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99 | jc .l1 |
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100 | |||
101 | add eax,5 ; offset for boarder |
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102 | add ebx,20 ; offset for title bar |
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103 | push ax ; pox |
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104 | push bx ; pos |
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105 | push cx ; size |
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106 | push dx ; size |
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107 | pop ecx |
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108 | pop edx |
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109 | mov ebx,edi |
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110 | mov eax,7 |
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111 | |||
112 | int 40h ; Put image function |
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113 | .l1: |
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114 | popad |
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115 | ret |
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116 | |||
117 | |||
118 | |||
119 | ;****************************************************************************** |
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120 | |||
121 | check_parameters: |
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122 | cmp [PARAMS], dword "BOOT" ; received BOOT parameter -> goto handler |
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123 | je boot_set_background |
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124 | |||
125 | mov edi, name_string ; clear string with file name |
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126 | mov al, 0 |
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127 | mov ecx, 100 |
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128 | rep stosb |
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129 | |||
130 | mov ecx, 100 ; calculate length of parameter string |
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131 | mov edi, PARAMS |
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132 | repne scasb |
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133 | sub edi, PARAMS |
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134 | mov ecx, edi |
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135 | |||
136 | mov esi, PARAMS ; copy parameters to file name |
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137 | mov edi, name_string |
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138 | cld |
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139 | rep movsb |
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140 | |||
141 | jmp START.l1 ; return to beggining of the progra |
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142 | |||
143 | ;****************************************************************************** |
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144 | |||
145 | |||
146 | |||
147 | boot_set_background: |
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148 | |||
149 | mov ecx,memsize-fin-stack_size ; size |
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150 | mov edi,fin ; pointer |
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151 | call add_mem ; mark memory from fin to 0x100000-1024 as free |
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152 | call colorprecalc ; calculate colors |
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153 | mov esi,name_string |
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154 | call open |
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155 | test eax,eax |
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156 | jz close_program |
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157 | call jpeg_info |
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158 | mov dword [jpeg_st],ebp |
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159 | call set_as_bgr2 ; set wallpaper |
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160 | jmp close_program ; close the program right now |
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161 | |||
162 | ;****************************************************************************** |
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163 | ;****************************************************************************** |
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164 | |||
165 | set_as_bgr2: |
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166 | mov ebp,dword[jpeg_st] |
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167 | test ebp,ebp |
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168 | jz .end |
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169 | |||
170 | mov dword [ebp+draw_ptr],put_chunk_to_bgr |
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171 | call jpeg_display |
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172 | mov eax, 15 |
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173 | mov ebx, 1 |
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174 | mov ecx, [ebp + x_size] |
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175 | mov edx, [ebp + y_size] |
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176 | int 0x40 |
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177 | |||
178 | ; Stretch the image to fit |
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179 | mov eax, 15 |
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180 | mov ebx, 4 |
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181 | mov ecx, 2 |
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182 | int 0x40 |
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183 | |||
184 | mov eax, 15 |
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185 | mov ebx, 3 |
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186 | int 0x40 |
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187 | |||
188 | |||
189 | .end: |
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190 | ret |
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191 | |||
192 | ;****************************************************************************** |
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193 | |||
194 | put_chunk_to_bgr: |
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195 | pushad |
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196 | |||
197 | mov [x_pointer], edi |
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198 | mov esi, ecx |
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199 | imul esi, 3 |
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200 | mov [x_numofbytes], esi |
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201 | mov ecx, [ebp + x_size] |
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202 | imul ecx, ebx |
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203 | add ecx, eax |
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204 | imul ecx, 3 |
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205 | mov [x_offset], ecx |
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206 | mov [x_counter], edx |
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207 | mov eax, [ebp + x_size] |
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208 | imul eax, 3 |
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209 | mov [x_numofb2], eax |
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210 | .new_string: |
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211 | mov eax, 15 |
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212 | mov ebx, 5 |
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213 | mov ecx, [x_pointer] |
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214 | mov edx, [x_offset] |
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215 | mov esi, [x_numofbytes] |
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216 | int 0x40 |
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217 | mov eax, [x_numofbytes] |
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218 | add [x_pointer], eax |
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219 | mov eax, [x_numofb2] |
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220 | add [x_offset], eax |
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221 | dec [x_counter] |
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222 | jnz .new_string |
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223 | |||
224 | popad |
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225 | ret |
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226 | |||
227 | ;****************************************************************************** |
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228 | |||
229 | |||
230 | |||
231 | ; ********************************************* |
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232 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
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233 | ; ********************************************* |
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234 | |||
235 | |||
236 | draw_window: |
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237 | |||
238 | mov eax,12 |
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239 | mov ebx,1 |
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240 | int 0x40 |
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241 | |||
242 | ; Draw the window to the appropriate size - it may have |
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243 | ; been resized by the user |
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135 | diamond | 244 | cmp [winxs], 0 |
31 | halyavin | 245 | jne dw_001 |
246 | |||
247 | ; Give the screen some inital defaults |
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135 | diamond | 248 | mov [winxs], 400 |
249 | mov [winys], 300 |
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31 | halyavin | 250 | mov ax, 100 |
251 | mov [winxo], ax |
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252 | mov [winyo], ax |
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253 | jmp dw_002 |
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254 | |||
255 | dw_001: |
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256 | mov eax, 9 |
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257 | mov ebx, memsize - 1024 |
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258 | mov ecx, -1 |
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259 | int 0x40 |
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260 | mov eax, [ebx + 34] |
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261 | mov [winxo], ax |
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262 | mov eax, [ebx + 38] |
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263 | mov [winyo], ax |
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264 | mov eax, [ebx + 42] |
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265 | mov [winxs], ax |
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266 | mov eax, [ebx + 46] |
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267 | mov [winys], ax |
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268 | |||
269 | dw_002: |
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135 | diamond | 270 | mov ebx, dword [winxo-2] |
271 | mov bx, [winxs] |
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272 | mov ecx, dword [winyo-2] |
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273 | mov cx, [winys] |
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31 | halyavin | 274 | |
135 | diamond | 275 | xor eax,eax ; DRAW WINDOW |
31 | halyavin | 276 | mov edx,[wcolor] |
180 | heavyiron | 277 | add edx,0x13000000 |
278 | mov edi,header ; WINDOW LABEL |
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31 | halyavin | 279 | int 0x40 |
280 | |||
281 | |||
282 | ; draw status bar |
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283 | mov eax, 13 |
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284 | movzx ebx, word [winxs] |
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285 | sub ebx, 5 |
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286 | add ebx, 4*65536 |
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287 | mov cx, [winys] |
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288 | sub ecx, 19 |
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289 | shl ecx, 16 |
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290 | add ecx, 3 |
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291 | mov edx, 0x00557799 |
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292 | int 0x40 |
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293 | |||
294 | mov eax,8 ; BUTTON 2: filename |
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295 | mov ebx,4*65536+55 |
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296 | mov cx, [winys] |
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297 | sub cx, 16 |
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298 | shl ecx, 16 |
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299 | add ecx, 12 |
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300 | mov esi, 0x00557799 |
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301 | mov edx,2 |
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302 | int 0x40 |
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303 | |||
304 | mov eax,4 ; Button text |
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305 | movzx ebx, word [winys] |
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306 | sub ebx, 13 |
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307 | add ebx, 6*65536 |
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308 | mov ecx,0x00ffffff |
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309 | mov edx,setname |
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310 | mov esi,setnamelen-setname |
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311 | int 0x40 |
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312 | |||
313 | |||
314 | mov eax,8 ; BUTTON 3: set as background |
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315 | mov bx, [winxs] |
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316 | sub bx, 60 |
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317 | shl ebx, 16 |
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318 | mov bx,55 |
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319 | mov cx, [winys] |
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320 | sub cx, 16 |
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321 | shl ecx, 16 |
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322 | add ecx, 12 |
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323 | mov esi, 0x00557799 |
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324 | mov edx,3 |
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325 | int 0x40 |
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326 | |||
327 | mov eax,4 ; Button text |
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328 | movzx ebx, word [winxs] |
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329 | sub ebx, 60 |
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330 | shl ebx,16 |
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331 | mov bx, word [winys] |
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332 | sub bx,13 |
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333 | mov ecx,0x00ffffff |
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334 | mov edx,setbgr |
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335 | mov esi,setbgrlen-setbgr |
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336 | int 0x40 |
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337 | call print_strings |
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338 | call load_image |
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339 | mov eax,12 ; function 12:tell os about windowdraw |
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340 | mov ebx,2 ; 2, end of draw |
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341 | int 0x40 |
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342 | |||
343 | ret |
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344 | |||
345 | |||
346 | |||
347 | ; Read in the image file name. |
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348 | read_string: |
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349 | movzx edi,byte[name_string.cursor] |
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350 | add edi,name_string |
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351 | mov eax,2 |
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352 | int 0x40 ; Get the key value |
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353 | shr eax,8 |
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354 | cmp eax,13 ; Return key ends input |
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355 | je .rs_done |
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356 | cmp eax,8 |
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357 | jnz .nobsl |
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358 | cmp edi,name_string |
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359 | je .exit |
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360 | dec edi |
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361 | mov [edi],byte 0;'_' |
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362 | dec byte[name_string.cursor] |
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363 | jmp print_strings |
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364 | .exit: ret |
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365 | .nobsl: |
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366 | cmp eax,31 |
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367 | jbe .exit |
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368 | cmp eax,97 |
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369 | jb .keyok |
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370 | sub eax,32 |
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371 | .keyok: |
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372 | mov ah,0 |
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373 | stosw |
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374 | cmp edi,name_string.end |
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375 | jnc print_strings |
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376 | inc byte[name_string.cursor] |
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377 | jmp print_strings |
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378 | .rs_done: |
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379 | call print_strings |
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380 | mov esi,name_string |
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381 | call open |
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382 | test eax,eax |
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383 | jz .exit |
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384 | call jpeg_info |
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385 | test ebp,ebp |
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386 | jz close |
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387 | xchg [jpeg_st],ebp |
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388 | call jpeg_close |
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389 | |||
390 | load_image: |
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391 | |||
392 | mov eax,13 ; clear picture area |
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393 | movzx ebx, word [winxs] |
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394 | sub ebx, 7 |
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395 | add ebx, 4 * 65536 |
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396 | movzx ecx, word [winys] |
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397 | sub ecx, 39 |
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398 | add ecx, 20 * 65536 |
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399 | |||
400 | mov edx,0 |
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401 | int 0x40 |
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402 | mov ebp,[jpeg_st] |
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403 | test ebp,ebp |
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404 | jz .exit |
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405 | mov dword [ebp+draw_ptr],put_image |
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406 | jmp jpeg_display |
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407 | .exit: ret |
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408 | |||
409 | print_strings: |
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410 | pusha |
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411 | mov eax,13 ; clear text area |
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412 | movzx ebx, word [winxs] |
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413 | sub ebx, 64+58 |
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414 | add ebx, 60*65536 |
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415 | mov cx, [winys] |
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416 | sub cx, 16 |
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417 | shl ecx, 16 |
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418 | add ecx, 12 |
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419 | mov edx,0xffffff |
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420 | int 0x40 |
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421 | |||
422 | mov eax,4 ; |
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423 | movzx ebx, word [winys] |
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424 | sub ebx, 14 |
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425 | add ebx, 60*65536 |
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426 | mov ecx,0x000000 |
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427 | mov edx,name_string |
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428 | mov esi,60 |
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429 | int 0x40 |
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430 | popa |
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431 | ret |
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432 | |||
433 | slideshow: |
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135 | diamond | 434 | cmp [file_dir], 0 |
435 | jnz .exit |
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436 | cmp [jpeg_st], 0 |
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437 | jz .exit |
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438 | mov esi, name_string |
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439 | movzx ecx, byte [name_string.cursor] |
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440 | .l1: |
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441 | cmp byte [esi+ecx], '/' |
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442 | jz .l2 |
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443 | loop .l1 |
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444 | .exit: |
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445 | ret |
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446 | .l2: |
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447 | mov byte [esi+ecx], 0 |
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448 | call open |
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449 | mov byte [esi+ecx], '/' |
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450 | test eax, eax |
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451 | jz .exit |
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452 | test byte [fileattr], 0x10 |
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453 | jz .exit |
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454 | mov [file_dir], eax |
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455 | inc ecx |
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456 | mov [name_string.cursor], cl |
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31 | halyavin | 457 | display_next: |
135 | diamond | 458 | mov ebx, [file_dir] |
459 | test ebx, ebx |
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460 | jnz @f |
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461 | ret |
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462 | @@: |
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463 | mov byte [ebx], 1 |
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464 | mov byte [ebx+12], 1 |
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465 | mov dword [ebx+16], dirinfo |
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466 | mov eax, 70 |
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467 | int 0x40 |
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468 | mov eax, [file_dir] |
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469 | inc dword [eax+4] |
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470 | cmp ebx, 1 |
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471 | jz @f |
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472 | mov eax, [file_dir] |
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473 | and [file_dir], 0 |
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474 | jmp close |
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475 | @@: |
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476 | movzx edi, byte [name_string.cursor] |
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477 | add edi, name_string |
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478 | lea esi, [dirinfo+32+40] |
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479 | @@: |
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480 | lodsb |
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481 | stosb |
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482 | test al, al |
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483 | jnz @b |
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484 | mov ecx, name_string.end |
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485 | sub ecx, edi |
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486 | rep stosb |
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31 | halyavin | 487 | call print_strings |
488 | mov esi,name_string |
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489 | call open |
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490 | test eax,eax |
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491 | jz display_next |
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492 | call jpeg_info |
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493 | test ebp,ebp |
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494 | jnz .l6 |
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495 | call close |
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496 | jmp display_next |
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497 | .l6: |
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498 | mov dword[ebp+draw_ptr],put_image |
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499 | push ebp |
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500 | xchg [jpeg_st],ebp |
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501 | call jpeg_close |
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502 | pop ebp |
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503 | jmp jpeg_display |
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504 | |||
505 | |||
506 | include 'filelib.asm' |
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507 | include 'memlib.asm' |
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508 | include 'jpeglib.asm' |
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509 | |||
510 | |||
511 | ; DATA AREA |
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512 | |||
513 | wcolor dd 0x000000 |
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180 | heavyiron | 514 | header db appname,version,0 |
31 | halyavin | 515 | setname db 'SLIDESHOW' |
516 | setnamelen: |
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517 | |||
518 | setbgr db ' BGR ' |
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519 | setbgrlen: |
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520 | |||
521 | x_pointer dd 0 |
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522 | x_offset dd 0 |
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523 | x_numofbytes dd 0 |
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524 | x_numofb2 dd 0 |
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525 | x_counter dd 0 |
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135 | diamond | 526 | winxo dw 0 |
527 | winyo dw 0 |
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528 | winxs dw 0 |
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529 | winys dw 0 |
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530 | jpeg_st dd 0 |
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531 | file_dir dd 0 |
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31 | halyavin | 532 | tcolor dd 0x000000 |
533 | btcolor dd 0x224466+0x808080 |
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534 | name_string: db '/rd/1/jpegview.jpg',0 |
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135 | diamond | 535 | rb 256 |
31 | halyavin | 536 | .end: |
537 | .cursor: db 19 |
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538 | .cursor2: db 0 |
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539 | |||
540 | align 4 |
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541 | |||
542 | rgb16: db 0,4,8,13,17,21,25,29,34,38,42,46,50,55,59,63 |
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543 | rgb4: db 0,21,42,63 |
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544 | |||
545 | include 'jpegdat.asm' |
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546 | |||
547 | align 4 |
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548 | |||
549 | iniciomemoria: |
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550 | dd -(iniciomemoria+4),-(iniciomemoria+4),(iniciomemoria+4),.l1,0 |
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551 | .l1 dd 0 |
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552 | |||
553 | fin: |
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554 | I_END: |
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555 | |||
135 | diamond | 556 | fileattr: rb 40 |
557 | dirinfo: rb 32+304 |