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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | #include "std.h" |
| 2 | |||
| 3 | // SAM style video drive (only 8 bit, double-size screen) |
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| 4 | |||
| 5 | |||
| 6 | #ifdef MOD_VID_VD |
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| 7 | |||
| 8 | void rend_vd8dbl(unsigned char *dst, unsigned pitch) |
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| 9 | { |
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| 10 | unsigned char *dst2 = dst + (temp.ox-512)*temp.obpp/16; |
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| 11 | dst2 += (temp.scy-192)/2*(pitch*2); |
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| 12 | |||
| 13 | if (conf.fast_sl) { |
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| 14 | |||
| 15 | pitch *= 2; |
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| 16 | rend_frame_8d1(dst, pitch); |
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| 17 | dst = dst2; |
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| 18 | for (unsigned y = 0; y < 192; y++) { |
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| 19 | unsigned char *src = (unsigned char*)vdmem + t.scrtab[y]; |
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| 20 | for (unsigned x = 0; x < 32; x++) { |
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| 21 | __m64 d = t.vdtab[0][0][src[0x2000*0+x]]; |
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| 22 | d = _mm_add_pi8(d, t.vdtab[0][1][src[0x2000*1+x]]); |
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| 23 | d = _mm_add_pi8(d, t.vdtab[0][2][src[0x2000*2+x]]); |
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| 24 | d = _mm_add_pi8(d, t.vdtab[0][3][src[0x2000*3+x]]); |
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| 25 | |||
| 26 | *(__m64*)(dst+x*16+0) = _mm_unpacklo_pi8(d,d); |
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| 27 | *(__m64*)(dst+x*16+8) = _mm_unpackhi_pi8(d,d); |
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| 28 | } |
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| 29 | dst += pitch; |
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| 30 | } |
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| 31 | |||
| 32 | } else { |
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| 33 | |||
| 34 | rend_frame_8d(dst, pitch); |
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| 35 | dst = dst2; |
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| 36 | for (unsigned y = 0; y < 192; y++) { |
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| 37 | unsigned char *src = (unsigned char*)vdmem + t.scrtab[y]; |
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| 38 | for (unsigned pass = 0; pass < 2; pass++) { |
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| 39 | for (unsigned x = 0; x < 32; x++) { |
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| 40 | __m64 d = t.vdtab[pass][0][src[0x2000*0+x]]; |
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| 41 | d = _mm_add_pi8(d, t.vdtab[pass][1][src[0x2000*1+x]]); |
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| 42 | d = _mm_add_pi8(d, t.vdtab[pass][2][src[0x2000*2+x]]); |
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| 43 | d = _mm_add_pi8(d, t.vdtab[pass][3][src[0x2000*3+x]]); |
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| 44 | |||
| 45 | *(__m64*)(dst+x*16+0) = _mm_unpacklo_pi8(d,d); |
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| 46 | *(__m64*)(dst+x*16+8) = _mm_unpackhi_pi8(d,d); |
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| 47 | } |
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| 48 | dst += pitch; |
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| 49 | } |
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| 50 | } |
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| 51 | } |
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| 52 | _mm_empty(); |
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| 53 | } |
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| 54 | |||
| 55 | #endif |