Commit | Line | Data |
---|---|---|
02f87e18 FT |
1 | .global _DBFillScreen\r |
2 | _DBFillScreen:\r | |
3 | push %edi\r | |
4 | mov $64000, %ecx\r | |
5 | mov 8(%esp), %eax\r | |
6 | mov _DblBuffer, %edi\r | |
7 | cld\r | |
8 | rep stosl\r | |
9 | pop %edi\r | |
10 | ret\r | |
11 | \r | |
12 | .global _DBPSet\r | |
13 | _DBPSet:\r | |
14 | mov 4(%esp), %ecx\r | |
15 | mov 8(%esp), %edx\r | |
16 | mov %edx, %eax\r | |
17 | shl $8, %edx\r | |
18 | shl $10, %eax\r | |
19 | add %edx, %eax\r | |
20 | lea _DblBuffer(%eax, %ecx, 4), %eax\r | |
21 | mov 12(%esp), %edx\r | |
22 | mov %edx, (%eax)\r | |
23 | ret\r | |
24 | \r | |
25 | .global _DBPSetCAsm\r | |
26 | _DBPSetCAsm:\r | |
27 | push %ebp\r | |
28 | mov %esp, %ebp\r | |
29 | mov 8(%ebp), %ecx\r | |
30 | mov 12(%ebp), %edx\r | |
31 | cmp (_clip_x1), %ecx\r | |
32 | jl _DBPSetCAsmEnd\r | |
33 | cmp (_clip_x2), %ecx\r | |
34 | jg _DBPSetCAsmEnd\r | |
35 | cmp (_clip_y1), %edx\r | |
36 | jl _DBPSetCAsmEnd\r | |
37 | cmp (_clip_y2), %edx\r | |
38 | jg _DBPSetCAsmEnd\r | |
39 | mov %edx, %eax\r | |
40 | shl $8, %edx\r | |
41 | shl $10, %eax\r | |
42 | add %edx, %eax\r | |
43 | lea _DblBuffer(%eax, %ecx, 4), %eax\r | |
44 | mov 16(%ebp), %edx\r | |
45 | mov %edx, (%eax)\r | |
46 | _DBPSetCAsmEnd:\r | |
47 | pop %ebp\r | |
48 | ret\r | |
49 | \r | |
50 | .global _DBCopyBufferAsm\r | |
51 | _DBCopyBufferAsm:\r | |
52 | push %ebp\r | |
53 | mov %esp, %ebp\r | |
54 | mov 12(%ebp), %eax\r | |
55 | mov $320, %ebx\r | |
56 | mul %ebx\r | |
57 | add 8(%ebp), %eax\r | |
58 | shl $2, %eax\r | |
59 | add _DblBuffer, %eax\r | |
60 | mov %eax, %edi\r | |
61 | mov 16(%ebp), %esi\r | |
62 | mov 20(%ebp), %eax\r | |
63 | mov $320, %ecx\r | |
64 | sub %eax, %ecx\r | |
65 | inc %eax\r | |
66 | shl $2, %ecx\r | |
67 | mov 28(%ebp), %ebx\r | |
68 | _DBCopyBufferLoop:\r | |
69 | dec %eax\r | |
70 | jz _DBCopyBufferRowEnd\r | |
71 | mov (%esi), %edx\r | |
72 | cmp %edx, %ebx\r | |
73 | jz _DBCopyBufferAddOffsets\r | |
74 | mov %edx, (%edi)\r | |
75 | _DBCopyBufferAddOffsets:\r | |
76 | add $4, %esi\r | |
77 | add $4, %edi\r | |
78 | jmp _DBCopyBufferLoop\r | |
79 | _DBCopyBufferRowEnd:\r | |
80 | decw 24(%ebp)\r | |
81 | jz _DBCopyBufferEnd\r | |
82 | mov 20(%ebp), %eax\r | |
83 | inc %eax\r | |
84 | add %ecx, %edi\r | |
85 | jmp _DBCopyBufferLoop\r | |
86 | _DBCopyBufferEnd:\r | |
87 | pop %ebp\r | |
88 | ret\r | |
89 | \r | |
90 | .global _DisplayDBAsm\r | |
91 | _DisplayDBAsm:\r | |
92 | push %ecx\r | |
93 | push %esi\r | |
94 | push %edi\r | |
95 | mov $64000, %ecx\r | |
96 | mov _DblBuffer, %esi\r | |
97 | mov _VBuffer, %edi\r | |
98 | cld\r | |
99 | rep movsl\r | |
100 | pop %edi\r | |
101 | pop %esi\r | |
102 | pop %ecx\r | |
103 | /*dec %ecx\r | |
104 | _DisplayDBAsmLoop:\r | |
105 | mov (%esi,%ecx,4), %eax\r | |
106 | mov %eax, (%edi,%ecx,4)\r | |
107 | dec %ecx\r | |
108 | jnz _DisplayDBAsmLoop*/\r | |
109 | ret\r | |
110 | \r | |
111 | .global _MakeFarCall\r | |
112 | _MakeFarCall:\r | |
113 | movl 12(%esp), %ebx\r | |
114 | movw 4(%ebx), %fs\r | |
115 | movl (%ebx), %esi\r | |
116 | movl %fs:(%esi), %eax\r | |
117 | .byte 38 /*CALL FAR HWORD PTR ES:[EBX]*/\r | |
118 | .byte 255\r | |
119 | .byte 27\r | |
120 | ret\r | |
121 | \r | |
122 | .global _ColorAdd\r | |
123 | _ColorAdd:\r | |
124 | push %esi\r | |
125 | movd 12(%esp), %mm0\r | |
126 | movl 8(%esp), %esi\r | |
127 | movd (%esi), %mm1\r | |
128 | paddusb %mm1, %mm0\r | |
129 | movd %mm0, (%esi)\r | |
130 | pop %esi\r | |
131 | emms\r | |
132 | ret\r | |
133 | \r | |
134 | .global _ColorSub\r | |
135 | _ColorSub:\r | |
136 | push %esi\r | |
137 | movd 12(%esp), %mm0\r | |
138 | movl 8(%esp), %esi\r | |
139 | movd (%esi), %mm1\r | |
140 | psubusb %mm0, %mm1\r | |
141 | movd %mm1, (%esi)\r | |
142 | pop %esi\r | |
143 | emms\r | |
144 | ret\r | |
145 | \r | |
146 | .global _DBCopyBufferTransAsm\r | |
147 | _DBCopyBufferTrans:\r | |
148 | push %ebp\r | |
149 | movl %esp, %ebp\r | |
150 | push %edi\r | |
151 | push %esi\r | |
152 | push %ecx\r | |
153 | movl 12(%ebp), %edi\r | |
154 | movl %edi, %eax\r | |
155 | shll $10, %eax\r | |
156 | shll $8, %edi\r | |
157 | addl %eax, %edi\r | |
158 | movl 8(%ebp), %eax\r | |
159 | addl (_DblBuffer), %edi\r | |
160 | leal (%edi, %eax, 4), %edi\r | |
161 | movl 16(%ebp), %esi\r | |
162 | movl $1280, %eax\r | |
163 | movl 20(%ebp), %ebx\r | |
164 | shll $2, %ebx\r | |
165 | subl %ebx, %eax\r | |
166 | push %eax\r | |
167 | movl 32(%ebp), %eax\r | |
168 | movl _TransOps(, %eax, 4), %eax\r | |
169 | push %eax\r | |
170 | DBCopyBufferTransYLoop:\r | |
171 | movl 20(%ebp), %ecx\r | |
172 | DBCopyBufferTransXLoop:\r | |
173 | movl (%esi), %eax\r | |
174 | cmpl 28(%ebp), %eax\r | |
175 | je DBCopyBufferTransAddOffsets\r | |
176 | push %ecx\r | |
177 | push %edx\r | |
178 | push %eax\r | |
179 | push %edi\r | |
180 | call *-20(%ebp)\r | |
181 | add $8, %esp\r | |
182 | pop %edx\r | |
183 | pop %ecx\r | |
184 | DBCopyBufferTransAddOffsets:\r | |
185 | add $4, %edi\r | |
186 | add $4, %esi\r | |
187 | loop DBCopyBufferTransXLoop\r | |
188 | addl -16(%ebp), %edi\r | |
189 | decl 24(%ebp)\r | |
190 | jnz DBCopyBufferTransYLoop\r | |
191 | add $8, %esp\r | |
192 | pop %ecx\r | |
193 | pop %esi\r | |
194 | pop %edi\r | |
195 | pop %ebp\r | |
196 | ret\r | |
197 | \r |