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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | #include "std.h" |
| 2 | |||
| 3 | #include "emul.h" |
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| 4 | #include "vars.h" |
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| 5 | #include "draw.h" |
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| 6 | #include "dxr_atmf.h" |
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| 7 | #include "dxr_atm4.h" |
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| 8 | #include "fontatm2.h" |
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| 9 | |||
| 10 | // vga like textmode (80x25) |
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| 11 | |||
| 12 | static const int text0_ofs = 4*PAGE + 0x0; |
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| 13 | static const int text2_ofs = 4*PAGE + 0x800; |
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| 14 | |||
| 15 | void line_atm4_8(unsigned char *dst, unsigned char *src, unsigned *tab0, unsigned char *font) |
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| 16 | { |
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| 17 | for (unsigned x = 0; x < 640; x += 0x20) |
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| 18 | { |
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| 19 | unsigned p0 = *(unsigned*)(src + text0_ofs), |
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| 20 | a0 = *(unsigned*)(src + text2_ofs); |
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| 21 | unsigned c, *tab; |
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| 22 | tab = tab0 + ((a0 << 4) & 0xFF0), c = font[p0 & 0xFF]; |
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| 23 | *(unsigned*)(dst+x+0x00) = tab[((c >> 4) & 0xF)]; |
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| 24 | *(unsigned*)(dst+x+0x04) = tab[c & 0xF]; |
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| 25 | |||
| 26 | tab = tab0 + ((a0 >> 4) & 0xFF0); c = font[(p0 >> 8) & 0xFF]; |
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| 27 | *(unsigned*)(dst+x+0x08) = tab[((c >> 4) & 0xF)]; |
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| 28 | *(unsigned*)(dst+x+0x0C) = tab[c & 0xF]; |
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| 29 | |||
| 30 | tab = tab0 + ((a0 >> 12) & 0xFF0); c = font[(p0 >> 16) & 0xFF]; |
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| 31 | *(unsigned*)(dst+x+0x10) = tab[((c >> 4) & 0xF)]; |
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| 32 | *(unsigned*)(dst+x+0x14) = tab[c & 0xF]; |
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| 33 | |||
| 34 | tab = tab0 + ((a0 >> 20) & 0xFF0); c = font[p0 >> 24]; |
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| 35 | *(unsigned*)(dst+x+0x18) = tab[((c >> 4) & 0xF)]; |
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| 36 | *(unsigned*)(dst+x+0x1C) = tab[c & 0xF]; |
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| 37 | |||
| 38 | src += 4; |
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| 39 | } |
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| 40 | } |
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| 41 | |||
| 42 | void line_atm4_16(unsigned char *dst, unsigned char *src, unsigned *tab0, unsigned char *font) |
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| 43 | { |
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| 44 | for (unsigned x = 0; x < 640*2; x += 0x40) |
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| 45 | { |
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| 46 | unsigned p0 = *(unsigned*)(src + text0_ofs), |
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| 47 | a0 = *(unsigned*)(src + text2_ofs); |
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| 48 | unsigned c, *tab; |
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| 49 | tab = tab0 + ((a0 << 2) & 0x3FC), c = font[p0 & 0xFF]; |
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| 50 | *(unsigned*)(dst+x+0x00) = tab[((c >> 6) & 0x03)]; |
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| 51 | *(unsigned*)(dst+x+0x04) = tab[((c >> 4) & 0x03)]; |
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| 52 | *(unsigned*)(dst+x+0x08) = tab[((c >> 2) & 0x03)]; |
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| 53 | *(unsigned*)(dst+x+0x0C) = tab[((c >> 0) & 0x03)]; |
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| 54 | |||
| 55 | tab = tab0 + ((a0 >> 6) & 0x3FC); c = font[(p0 >> 8) & 0xFF]; |
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| 56 | *(unsigned*)(dst+x+0x10) = tab[((c >> 6) & 0x03)]; |
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| 57 | *(unsigned*)(dst+x+0x14) = tab[((c >> 4) & 0x03)]; |
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| 58 | *(unsigned*)(dst+x+0x18) = tab[((c >> 2) & 0x03)]; |
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| 59 | *(unsigned*)(dst+x+0x1C) = tab[((c >> 0) & 0x03)]; |
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| 60 | |||
| 61 | tab = tab0 + ((a0 >> 14) & 0x3FC); c = font[(p0 >> 16) & 0xFF]; |
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| 62 | *(unsigned*)(dst+x+0x20) = tab[((c >> 6) & 0x03)]; |
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| 63 | *(unsigned*)(dst+x+0x24) = tab[((c >> 4) & 0x03)]; |
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| 64 | *(unsigned*)(dst+x+0x28) = tab[((c >> 2) & 0x03)]; |
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| 65 | *(unsigned*)(dst+x+0x2C) = tab[((c >> 0) & 0x03)]; |
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| 66 | |||
| 67 | tab = tab0 + ((a0 >> 22) & 0x3FC); c = font[p0 >> 24]; |
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| 68 | *(unsigned*)(dst+x+0x30) = tab[((c >> 6) & 0x03)]; |
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| 69 | *(unsigned*)(dst+x+0x34) = tab[((c >> 4) & 0x03)]; |
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| 70 | *(unsigned*)(dst+x+0x38) = tab[((c >> 2) & 0x03)]; |
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| 71 | *(unsigned*)(dst+x+0x3C) = tab[((c >> 0) & 0x03)]; |
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| 72 | |||
| 73 | src += 4; |
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| 74 | } |
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| 75 | } |
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| 76 | |||
| 77 | void line_atm4_32(unsigned char *dst, unsigned char *src, unsigned *tab0, unsigned char *font) |
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| 78 | { |
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| 79 | for (unsigned x = 0; x < 640*4; x += 0x40) |
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| 80 | { |
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| 81 | unsigned c, *tab; |
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| 82 | tab = tab0 + src[text2_ofs]; c = font[src[text0_ofs]]; |
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| 83 | *(unsigned*)(dst+x+0x00) = tab[((c << 1) & 0x100)]; |
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| 84 | *(unsigned*)(dst+x+0x04) = tab[((c << 2) & 0x100)]; |
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| 85 | *(unsigned*)(dst+x+0x08) = tab[((c << 3) & 0x100)]; |
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| 86 | *(unsigned*)(dst+x+0x0C) = tab[((c << 4) & 0x100)]; |
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| 87 | *(unsigned*)(dst+x+0x10) = tab[((c << 5) & 0x100)]; |
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| 88 | *(unsigned*)(dst+x+0x14) = tab[((c << 6) & 0x100)]; |
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| 89 | *(unsigned*)(dst+x+0x18) = tab[((c << 7) & 0x100)]; |
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| 90 | *(unsigned*)(dst+x+0x1C) = tab[((c << 8) & 0x100)]; |
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| 91 | |||
| 92 | tab = tab0 + src[text2_ofs + 1]; c = font[src[text0_ofs + 1]]; |
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| 93 | *(unsigned*)(dst+x+0x20) = tab[((c << 1) & 0x100)]; |
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| 94 | *(unsigned*)(dst+x+0x24) = tab[((c << 2) & 0x100)]; |
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| 95 | *(unsigned*)(dst+x+0x28) = tab[((c << 3) & 0x100)]; |
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| 96 | *(unsigned*)(dst+x+0x2C) = tab[((c << 4) & 0x100)]; |
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| 97 | *(unsigned*)(dst+x+0x30) = tab[((c << 5) & 0x100)]; |
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| 98 | *(unsigned*)(dst+x+0x34) = tab[((c << 6) & 0x100)]; |
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| 99 | *(unsigned*)(dst+x+0x38) = tab[((c << 7) & 0x100)]; |
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| 100 | *(unsigned*)(dst+x+0x3C) = tab[((c << 8) & 0x100)]; |
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| 101 | |||
| 102 | src += 2; |
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| 103 | } |
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| 104 | } |
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| 105 | |||
| 106 | // Textmode |
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| 107 | void rend_atm4(unsigned char *dst, unsigned pitch, int y) |
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| 108 | { |
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| 109 | unsigned char *dst2 = dst + (temp.ox-640)*temp.obpp/16; |
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| 110 | if (temp.scy > 200) |
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| 111 | dst2 += (temp.scy-200)/2*pitch * ((temp.oy > temp.scy)?2:1); |
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| 112 | |||
| 113 | int v = y%8; |
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| 114 | int l = y/8; |
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| 115 | if (conf.fast_sl) |
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| 116 | { |
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| 117 | dst2 += y*pitch; |
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| 118 | switch(temp.obpp) |
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| 119 | { |
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| 120 | case 8: |
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| 121 | line_atm4_8 (dst2, temp.base + l*80, t.zctab8 [0], fontatm2 + v*0x100); |
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| 122 | break; |
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| 123 | case 16: |
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| 124 | line_atm4_16(dst2, temp.base + l*80, t.zctab16[0], fontatm2 + v*0x100); |
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| 125 | break; |
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| 126 | case 32: |
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| 127 | line_atm4_32(dst2, temp.base + l*80, t.zctab32[0], fontatm2 + v*0x100); |
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| 128 | break; |
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| 129 | } |
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| 130 | } |
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| 131 | else |
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| 132 | { |
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| 133 | dst2 += 2*y*pitch; |
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| 134 | switch(temp.obpp) |
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| 135 | { |
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| 136 | case 8: |
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| 137 | line_atm4_8 (dst2, temp.base + l*80, t.zctab8 [0], fontatm2 + v*0x100); |
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| 138 | dst2 += pitch; |
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| 139 | line_atm4_8 (dst2, temp.base + l*80, t.zctab8 [1], fontatm2 + v*0x100); |
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| 140 | break; |
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| 141 | case 16: |
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| 142 | line_atm4_16(dst2, temp.base + l*80, t.zctab16[0], fontatm2 + v*0x100); |
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| 143 | dst2 += pitch; |
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| 144 | line_atm4_16(dst2, temp.base + l*80, t.zctab16[1], fontatm2 + v*0x100); |
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| 145 | break; |
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| 146 | case 32: |
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| 147 | line_atm4_32(dst2, temp.base + l*80, t.zctab32[0], fontatm2 + v*0x100); |
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| 148 | dst2 += pitch; |
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| 149 | line_atm4_32(dst2, temp.base + l*80, t.zctab32[1], fontatm2 + v*0x100); |
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| 150 | break; |
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| 151 | } |
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| 152 | } |
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| 153 | } |