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1 | |
2 | |
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3 | unsigned char formatted_bram[4*0x10] = |
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4 | { |
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5 | #if 0 |
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6 | 0x00, 0xd4, 0x63, 0x00, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x03, 0x00, 0x03, 0x00, 0x00, 0x03, |
7 | 0x00, 0x03, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x53, 0xd2, 0xf5, 0x3a, 0x48, 0x50, 0x35, 0x0f, |
8 | 0x47, 0x14, 0xf5, 0x7e, 0x5c, 0xd4, 0xf3, 0x03, 0x00, 0x03, 0x12, 0x00, 0x0a, 0xff, 0xca, 0xa6, |
9 | 0xf5, 0x27, 0xed, 0x22, 0x47, 0xfa, 0x22, 0x96, 0x6c, 0xa5, 0x88, 0x14, 0x48, 0x48, 0x0a, 0xbb, |
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10 | #endif |
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11 | 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x00, 0x00, 0x00, 0x00, 0x40, |
12 | 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
13 | 0x53, 0x45, 0x47, 0x41, 0x5f, 0x43, 0x44, 0x5f, 0x52, 0x4f, 0x4d, 0x00, 0x01, 0x00, 0x00, 0x00, |
14 | 0x52, 0x41, 0x4d, 0x5f, 0x43, 0x41, 0x52, 0x54, 0x52, 0x49, 0x44, 0x47, 0x45, 0x5f, 0x5f, 0x5f, |
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15 | // SEGA_CD_ROM.....RAM_CARTRIDGE___ |
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16 | }; |
17 | |
18 | |
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19 | // offs | 2Mbit | 1Mbit | |
20 | // 0 | [ 2M | unused | |
21 | // 128K | bit ] | bank0 | |
22 | // 256K | unused | bank1 | |
23 | |
24 | void wram_2M_to_1M(unsigned char *m) |
25 | { |
26 | unsigned short *m1M_b0, *m1M_b1; |
27 | unsigned int i, tmp, *m2M; |
28 | |
29 | m2M = (unsigned int *) (m + 0x40000); |
30 | m1M_b0 = (unsigned short *) m2M; |
31 | m1M_b1 = (unsigned short *) (m + 0x60000); |
32 | |
33 | for (i = 0x40000/4; i; i--) |
34 | { |
35 | tmp = *(--m2M); |
36 | *(--m1M_b0) = tmp; |
37 | *(--m1M_b1) = tmp >> 16; |
38 | } |
39 | } |
40 | |
41 | void wram_1M_to_2M(unsigned char *m) |
42 | { |
43 | unsigned short *m1M_b0, *m1M_b1; |
44 | unsigned int i, tmp, *m2M; |
45 | |
46 | m2M = (unsigned int *) m; |
47 | m1M_b0 = (unsigned short *) (m + 0x20000); |
48 | m1M_b1 = (unsigned short *) (m + 0x40000); |
49 | |
50 | for (i = 0x40000/4; i; i--) |
51 | { |
52 | tmp = *m1M_b0++ | (*m1M_b1++ << 16); |
53 | *m2M++ = tmp; |
54 | } |
55 | } |
56 | |