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MacBinary  |  1993-03-18  |  1.0 MB  |  [ONLN/HLX2]
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This file was processed as: MacBinary (archive/macBinary).

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100% file MacBinary II, inited, Thu Mar 18 05:31:52 1993, modified Thu Mar 18 05:32:08 1993, creator 'HLX2', type 'ONLN', 1060190 bytes "Drawing in GWorlds for Speed" , at 0x102dde 8153 bytes resource default (weak)
99% file data default
66% TrID SpeedScript document (C64) default (weak)
33% TrID MacBinary 2 default (weak)
100% siegfried fmt/1762 MacBinary (II) default
100% lsar MacBinary default


id metadata
keyvalue
macFileType[ONLN]
macFileCreator[HLX2]


hex view
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|00005490| 6f 72 74 46 72 61 63 20 | 2d 20 79 46 72 61 63 29 |ortFrac |- yFrac)|
|000054a0| 3b 0d 09 09 73 63 61 6c | 65 5b 31 5d 5b 30 5d 20 |;...scal|e[1][0] |
|000054b0| 3d 20 53 68 6f 72 74 46 | 72 61 63 4d 75 6c 28 6f |= ShortF|racMul(o|
|000054c0| 6e 65 53 68 6f 72 74 46 | 72 61 63 20 2d 20 78 46 |neShortF|rac - xF|
|000054d0| 72 61 63 2c 20 79 46 72 | 61 63 29 3b 0d 0d 09 09 |rac, yFr|ac);....|
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|000054f0| 6f 72 74 46 72 61 63 4d | 75 6c 28 78 46 72 61 63 |ortFracM|ul(xFrac|
|00005500| 2c 20 79 46 72 61 63 29 | 3b 0d 09 7d 0d 09 2f 2a |, yFrac)|;..}../*|
|00005510| 20 4e 6f 77 20 73 63 61 | 6c 65 20 65 61 63 68 20 | Now sca|le each |
|00005520| 63 6f 6d 70 6f 6e 65 6e | 74 20 6f 66 20 65 61 63 |componen|t of eac|
|00005530| 68 20 63 6f 72 6e 65 72 | 20 62 79 20 74 68 65 20 |h corner| by the |
|00005540| 70 65 72 63 65 6e 74 61 | 67 65 20 6f 66 20 74 68 |percenta|ge of th|
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|00005560| 6c 20 63 6f 76 65 72 65 | 64 20 62 79 20 74 68 65 |l covere|d by the|
|00005570| 20 66 72 61 63 74 69 6f | 6e 61 6c 20 70 69 78 65 | fractio|nal pixe|
|00005580| 6c 20 28 74 68 65 20 61 | 72 65 61 20 63 6f 76 65 |l (the a|rea cove|
|00005590| 72 65 64 0d 09 09 62 79 | 20 74 68 65 20 66 69 6c |red...by| the fil|
|000055a0| 74 65 72 29 2e 20 2a 2f | 0d 09 74 65 6d 70 42 6c |ter). */|..tempBl|
|000055b0| 75 65 20 3d 09 09 53 68 | 6f 72 74 46 72 61 63 4d |ue =..Sh|ortFracM|
|000055c0| 75 6c 42 79 74 65 28 73 | 63 61 6c 65 5b 30 5d 5b |ulByte(s|cale[0][|
|000055d0| 30 5d 2c 20 73 72 63 50 | 69 78 65 6c 5b 30 5d 5b |0], srcP|ixel[0][|
|000055e0| 30 5d 29 20 2b 0d 09 09 | 09 09 09 09 53 68 6f 72 |0]) +...|....Shor|
|000055f0| 74 46 72 61 63 4d 75 6c | 42 79 74 65 28 73 63 61 |tFracMul|Byte(sca|
|00005600| 6c 65 5b 30 5d 5b 31 5d | 2c 20 73 72 63 50 69 78 |le[0][1]|, srcPix|
|00005610| 65 6c 5b 30 5d 5b 31 5d | 29 20 2b 0d 09 09 09 09 |el[0][1]|) +.....|
|00005620| 09 09 53 68 6f 72 74 46 | 72 61 63 4d 75 6c 42 79 |..ShortF|racMulBy|
|00005630| 74 65 28 73 63 61 6c 65 | 5b 31 5d 5b 30 5d 2c 20 |te(scale|[1][0], |
|00005640| 73 72 63 50 69 78 65 6c | 5b 31 5d 5b 30 5d 29 20 |srcPixel|[1][0]) |
|00005650| 2b 0d 09 09 09 09 09 09 | 53 68 6f 72 74 46 72 61 |+.......|ShortFra|
|00005660| 63 4d 75 6c 42 79 74 65 | 28 73 63 61 6c 65 5b 31 |cMulByte|(scale[1|
|00005670| 5d 5b 31 5d 2c 20 73 72 | 63 50 69 78 65 6c 5b 31 |][1], sr|cPixel[1|
|00005680| 5d 5b 31 5d 29 3b 0d 09 | 69 66 20 28 74 65 6d 70 |][1]);..|if (temp|
|00005690| 42 6c 75 65 20 3d 3d 20 | 32 35 36 29 20 74 65 6d |Blue == |256) tem|
|000056a0| 70 42 6c 75 65 20 3d 20 | 32 35 35 3b 0d 09 0d 09 |pBlue = |255;....|
|000056b0| 74 65 6d 70 47 72 65 65 | 6e 20 3d 09 53 68 6f 72 |tempGree|n =.Shor|
|000056c0| 74 46 72 61 63 4d 75 6c | 42 79 74 65 28 73 63 61 |tFracMul|Byte(sca|
|000056d0| 6c 65 5b 30 5d 5b 30 5d | 2c 20 73 72 63 50 69 78 |le[0][0]|, srcPix|
|000056e0| 65 6c 5b 30 5d 5b 30 5d | 20 3e 3e 20 38 29 20 2b |el[0][0]| >> 8) +|
|000056f0| 0d 09 09 09 09 09 09 53 | 68 6f 72 74 46 72 61 63 |.......S|hortFrac|
|00005700| 4d 75 6c 42 79 74 65 28 | 73 63 61 6c 65 5b 30 5d |MulByte(|scale[0]|
|00005710| 5b 31 5d 2c 20 73 72 63 | 50 69 78 65 6c 5b 30 5d |[1], src|Pixel[0]|
|00005720| 5b 31 5d 20 3e 3e 20 38 | 29 20 2b 0d 09 09 09 09 |[1] >> 8|) +.....|
|00005730| 09 09 53 68 6f 72 74 46 | 72 61 63 4d 75 6c 42 79 |..ShortF|racMulBy|
|00005740| 74 65 28 73 63 61 6c 65 | 5b 31 5d 5b 30 5d 2c 20 |te(scale|[1][0], |
|00005750| 73 72 63 50 69 78 65 6c | 5b 31 5d 5b 30 5d 20 3e |srcPixel|[1][0] >|
|00005760| 3e 20 38 29 20 2b 0d 09 | 09 09 09 09 09 53 68 6f |> 8) +..|.....Sho|
|00005770| 72 74 46 72 61 63 4d 75 | 6c 42 79 74 65 28 73 63 |rtFracMu|lByte(sc|
|00005780| 61 6c 65 5b 31 5d 5b 31 | 5d 2c 20 73 72 63 50 69 |ale[1][1|], srcPi|
|00005790| 78 65 6c 5b 31 5d 5b 31 | 5d 20 3e 3e 20 38 29 3b |xel[1][1|] >> 8);|
|000057a0| 0d 09 69 66 20 28 74 65 | 6d 70 47 72 65 65 6e 20 |..if (te|mpGreen |
|000057b0| 3d 3d 20 32 35 36 29 20 | 74 65 6d 70 47 72 65 65 |== 256) |tempGree|
|000057c0| 6e 20 3d 20 32 35 35 3b | 0d 09 0d 09 74 65 6d 70 |n = 255;|....temp|
|000057d0| 52 65 64 20 3d 09 09 53 | 68 6f 72 74 46 72 61 63 |Red =..S|hortFrac|
|000057e0| 4d 75 6c 42 79 74 65 28 | 73 63 61 6c 65 5b 30 5d |MulByte(|scale[0]|
|000057f0| 5b 30 5d 2c 20 73 72 63 | 50 69 78 65 6c 5b 30 5d |[0], src|Pixel[0]|
|00005800| 5b 30 5d 20 3e 3e 20 31 | 36 29 20 2b 0d 09 09 09 |[0] >> 1|6) +....|
|00005810| 09 09 09 53 68 6f 72 74 | 46 72 61 63 4d 75 6c 42 |...Short|FracMulB|
|00005820| 79 74 65 28 73 63 61 6c | 65 5b 30 5d 5b 31 5d 2c |yte(scal|e[0][1],|
|00005830| 20 73 72 63 50 69 78 65 | 6c 5b 30 5d 5b 31 5d 20 | srcPixe|l[0][1] |
|00005840| 3e 3e 20 31 36 29 20 2b | 0d 09 09 09 09 09 09 53 |>> 16) +|.......S|
|00005850| 68 6f 72 74 46 72 61 63 | 4d 75 6c 42 79 74 65 28 |hortFrac|MulByte(|
|00005860| 73 63 61 6c 65 5b 31 5d | 5b 30 5d 2c 20 73 72 63 |scale[1]|[0], src|
|00005870| 50 69 78 65 6c 5b 31 5d | 5b 30 5d 20 3e 3e 20 31 |Pixel[1]|[0] >> 1|
|00005880| 36 29 20 2b 0d 09 09 09 | 09 09 09 53 68 6f 72 74 |6) +....|...Short|
|00005890| 46 72 61 63 4d 75 6c 42 | 79 74 65 28 73 63 61 6c |FracMulB|yte(scal|
|000058a0| 65 5b 31 5d 5b 31 5d 2c | 20 73 72 63 50 69 78 65 |e[1][1],| srcPixe|
|000058b0| 6c 5b 31 5d 5b 31 5d 20 | 3e 3e 20 31 36 29 3b 0d |l[1][1] |>> 16);.|
|000058c0| 09 69 66 20 28 74 65 6d | 70 52 65 64 20 3d 3d 20 |.if (tem|pRed == |
|000058d0| 32 35 36 29 20 74 65 6d | 70 52 65 64 20 3d 20 32 |256) tem|pRed = 2|
|000058e0| 35 35 3b 0d 09 2a 64 73 | 74 4c 6f 6e 67 20 3d 20 |55;..*ds|tLong = |
|000058f0| 28 74 65 6d 70 52 65 64 | 20 3c 3c 20 31 36 29 20 |(tempRed| << 16) |
|00005900| 7c 20 28 74 65 6d 70 47 | 72 65 65 6e 20 3c 3c 20 || (tempG|reen << |
|00005910| 38 29 20 7c 20 74 65 6d | 70 42 6c 75 65 3b 0d 09 |8) | tem|pBlue;..|
|00005920| 72 65 74 75 72 6e 20 74 | 72 75 65 3b 0d 7d 0d 54 |return t|rue;.}.T|
|00005930| 68 65 20 6d 61 70 70 69 | 6e 67 20 72 6f 75 74 69 |he mappi|ng routi|
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|00005950| 6f 75 74 69 6e 65 20 74 | 6f 20 74 72 61 6e 73 66 |outine t|o transf|
|00005960| 6f 72 6d 20 69 6d 61 67 | 65 73 20 62 79 20 61 70 |orm imag|es by ap|
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|00005980| 20 6d 61 74 72 69 78 20 | 6d 61 6b 65 73 20 75 73 | matrix |makes us|
|00005990| 65 20 6f 66 20 74 68 65 | 20 47 65 74 46 72 61 63 |e of the| GetFrac|
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|000059b0| 69 6e 65 2e 20 54 68 65 | 20 6d 61 70 70 69 6e 67 |ine. The| mapping|
|000059c0| 20 72 6f 75 74 69 6e 65 | 20 73 65 74 73 20 75 70 | routine| sets up|
|000059d0| 20 61 20 6d 61 70 70 69 | 6e 67 20 6d 61 74 72 69 | a mappi|ng matri|
|000059e0| 78 20 61 6e 64 20 74 68 | 65 6e 20 63 61 6c 6c 73 |x and th|en calls|
|000059f0| 20 4d 61 70 47 57 6f 72 | 6c 64 2e 20 4d 61 70 47 | MapGWor|ld. MapG|
|00005a00| 57 6f 72 6c 64 20 74 61 | 6b 65 73 20 61 20 47 57 |World ta|kes a GW|
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|00005a20| 20 74 68 65 20 6d 61 70 | 70 69 6e 67 20 6d 61 74 | the map|ping mat|
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|00005a40| 74 69 6e 67 20 69 6e 20 | 61 20 74 72 61 6e 73 66 |ting in |a transf|
|00005a50| 6f 72 6d 65 64 20 47 57 | 6f 72 6c 64 2e 20 4d 61 |ormed GW|orld. Ma|
|00005a60| 70 47 57 6f 72 6c 64 20 | 61 6c 73 6f 20 74 61 6b |pGWorld |also tak|
|00005a70| 65 73 20 61 20 56 41 52 | 20 6d 61 73 6b 20 70 61 |es a VAR| mask pa|
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|00005a90| 20 70 61 72 61 6d 65 74 | 65 72 20 69 73 20 73 65 | paramet|er is se|
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|00005ab0| 6e 75 73 65 64 2e 20 4f | 74 68 65 72 77 69 73 65 |nused. O|therwise|
|00005ac0| 2c 20 4d 61 70 47 57 6f | 72 6c 64 20 72 65 74 75 |, MapGWo|rld retu|
|00005ad0| 72 6e 73 20 61 20 31 2d | 62 69 74 20 6d 61 73 6b |rns a 1-|bit mask|
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|00005b30| 70 61 72 61 6d 65 74 65 | 72 20 74 6f 20 43 6f 70 |paramete|r to Cop|
|00005b40| 79 4d 61 73 6b 20 6f 72 | 20 43 6f 70 79 44 65 65 |yMask or| CopyDee|
|00005b50| 70 4d 61 73 6b 20 74 6f | 20 74 72 61 6e 73 66 65 |pMask to| transfe|
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|00005bb0| 20 73 68 6f 77 6e 20 74 | 68 65 72 65 20 69 73 20 | shown t|here is |
|00005bc0| 74 68 65 20 6f 6e 65 20 | 74 68 61 74 20 72 6f 74 |the one |that rot|
|00005bd0| 61 74 65 73 20 61 6e 20 | 69 6d 61 67 65 20 33 35 |ates an |image 35|
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|00005c00| 74 68 65 20 79 2d 61 78 | 69 73 2e 0d 73 74 61 74 |the y-ax|is..stat|
|00005c10| 69 63 20 47 57 6f 72 6c | 64 50 74 72 20 4d 61 70 |ic GWorl|dPtr Map|
|00005c20| 47 57 6f 72 6c 64 28 47 | 57 6f 72 6c 64 50 74 72 |GWorld(G|WorldPtr|
|00005c30| 20 73 72 63 57 6f 72 6c | 64 2c 20 6d 61 70 70 69 | srcWorl|d, mappi|
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|00005e20| 74 68 65 20 73 61 6d 65 | 20 62 6f 75 6e 64 73 20 |the same| bounds |
|00005e30| 61 73 20 0d 09 09 74 68 | 65 20 64 73 74 57 6f 72 |as ...th|e dstWor|
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|00006050| 74 20 74 68 65 20 61 64 | 64 72 65 73 73 20 6f 66 |t the ad|dress of|
|00006060| 20 74 68 65 20 70 69 78 | 4d 61 70 2e 20 2a 2f 0d | the pix|Map. */.|
|00006070| 09 64 73 74 42 61 73 65 | 41 64 64 72 20 3d 20 28 |.dstBase|Addr = (|
|00006080| 6c 6f 6e 67 20 2a 29 20 | 47 65 74 50 69 78 42 61 |long *) |GetPixBa|
|00006090| 73 65 41 64 64 72 28 64 | 73 74 50 69 78 4d 61 70 |seAddr(d|stPixMap|
|000060a0| 29 3b 0d 09 2f 2a 20 47 | 65 74 20 74 68 65 20 72 |);../* G|et the r|
|000060b0| 6f 77 20 69 6e 63 72 65 | 6d 65 6e 74 2e 20 2a 2f |ow incre|ment. */|
|000060c0| 0d 09 64 73 74 52 6f 77 | 4c 6f 6e 67 73 20 3d 20 |..dstRow|Longs = |
|000060d0| 28 28 2a 2a 64 73 74 50 | 69 78 4d 61 70 29 2e 72 |((**dstP|ixMap).r|
|000060e0| 6f 77 42 79 74 65 73 20 | 26 20 30 78 37 66 66 66 |owBytes |& 0x7fff|
|000060f0| 29 20 3e 3e 20 32 3b 0d | 09 69 6e 76 65 72 73 65 |) >> 2;.|.inverse|
|00006100| 4d 61 70 70 69 6e 67 20 | 3d 20 2a 64 73 74 4d 61 |Mapping |= *dstMa|
|00006110| 70 70 69 6e 67 3b 09 0d | 09 49 6e 76 65 72 74 4d |pping;..|.InvertM|
|00006120| 61 70 70 69 6e 67 28 26 | 69 6e 76 65 72 73 65 4d |apping(&|inverseM|
|00006130| 61 70 70 69 6e 67 29 3b | 0d 09 6d 6d 75 4d 6f 64 |apping);|..mmuMod|
|00006140| 65 20 3d 20 74 72 75 65 | 20 33 32 62 3b 0d 09 53 |e = true| 32b;..S|
|00006150| 77 61 70 4d 4d 55 4d 6f | 64 65 28 26 6d 6d 75 4d |wapMMUMo|de(&mmuM|
|00006160| 6f 64 65 29 3b 09 09 2f | 2a 20 53 65 74 20 74 68 |ode);../|* Set th|
|00006170| 65 20 4d 4d 55 20 74 6f | 20 33 32 2d 62 69 74 20 |e MMU to| 32-bit |
|00006180| 6d 6f 64 65 2e 20 2a 2f | 0d 09 66 6f 72 20 28 79 |mode. */|..for (y|
|00006190| 20 3d 20 64 73 74 52 65 | 63 74 2e 74 6f 70 3b 20 | = dstRe|ct.top; |
|000061a0| 79 20 3c 20 64 73 74 52 | 65 63 74 2e 62 6f 74 74 |y < dstR|ect.bott|
|000061b0| 6f 6d 3b 20 79 2b 2b 29 | 0d 09 7b 0d 09 09 6c 6f |om; y++)|..{...lo|
|000061c0| 6e 67 20 2a 64 73 74 41 | 64 64 72 20 3d 20 64 73 |ng *dstA|ddr = ds|
|000061d0| 74 42 61 73 65 41 64 64 | 72 3b 0d 09 09 66 6f 72 |tBaseAdd|r;...for|
|000061e0| 20 28 78 20 3d 20 64 73 | 74 52 65 63 74 2e 6c 65 | (x = ds|tRect.le|
|000061f0| 66 74 3b 20 78 20 3c 20 | 64 73 74 52 65 63 74 2e |ft; x < |dstRect.|
|00006200| 72 69 67 68 74 3b 20 78 | 2b 2b 29 0d 09 09 7b 0d |right; x|++)...{.|
|00006210| 09 09 09 46 69 78 65 64 | 20 73 72 63 58 20 3d 20 |...Fixed| srcX = |
|00006220| 66 66 28 78 29 3b 0d 09 | 09 09 46 69 78 65 64 20 |ff(x);..|..Fixed |
|00006230| 73 72 63 59 20 3d 20 66 | 66 28 79 29 3b 0d 09 09 |srcY = f|f(y);...|
|00006240| 09 0d 09 09 09 4d 61 70 | 58 59 28 26 69 6e 76 65 |.....Map|XY(&inve|
|00006250| 72 73 65 4d 61 70 70 69 | 6e 67 2c 20 26 73 72 63 |rseMappi|ng, &src|
|00006260| 58 2c 20 26 73 72 63 59 | 29 3b 0d 09 09 09 69 66 |X, &srcY|);....if|
|00006270| 20 28 47 65 74 46 72 61 | 63 74 69 6f 6e 61 6c 50 | (GetFra|ctionalP|
|00006280| 69 78 65 6c 28 73 72 63 | 42 61 73 65 41 64 64 72 |ixel(src|BaseAddr|
|00006290| 2c 20 73 72 63 52 6f 77 | 4c 6f 6e 67 73 2c 20 26 |, srcRow|Longs, &|
|000062a0| 73 72 63 52 65 63 74 2c | 0d 09 09 09 09 09 73 72 |srcRect,|......sr|
|000062b0| 63 58 2c 20 73 72 63 59 | 2c 20 64 73 74 41 64 64 |cX, srcY|, dstAdd|
|000062c0| 72 2b 2b 29 20 26 26 20 | 6d 61 73 6b 57 6f 72 6c |r++) && |maskWorl|
|000062d0| 64 29 0d 09 09 09 09 53 | 65 74 47 57 6f 72 6c 64 |d).....S|etGWorld|
|000062e0| 50 69 78 65 6c 28 2a 6d | 61 73 6b 57 6f 72 6c 64 |Pixel(*m|askWorld|
|000062f0| 2c 20 78 2c 20 79 29 3b | 0d 09 09 7d 0d 09 09 64 |, x, y);|...}...d|
|00006300| 73 74 42 61 73 65 41 64 | 64 72 20 2b 3d 20 64 73 |stBaseAd|dr += ds|
|00006310| 74 52 6f 77 4c 6f 6e 67 | 73 3b 0d 09 7d 0d 09 53 |tRowLong|s;..}..S|
|00006320| 77 61 70 4d 4d 55 4d 6f | 64 65 28 26 6d 6d 75 4d |wapMMUMo|de(&mmuM|
|00006330| 6f 64 65 29 3b 09 09 2f | 2a 20 52 65 73 74 6f 72 |ode);../|* Restor|
|00006340| 65 20 74 68 65 20 70 72 | 65 76 69 6f 75 73 20 4d |e the pr|evious M|
|00006350| 4d 55 20 6d 6f 64 65 2e | 20 2a 2f 0d 09 72 65 74 |MU mode.| */..ret|
|00006360| 75 72 6e 20 64 73 74 57 | 6f 72 6c 64 3b 0d 7d 0d |urn dstW|orld;.}.|
|00006370| 54 68 65 20 66 69 72 73 | 74 20 74 68 69 6e 67 20 |The firs|t thing |
|00006380| 4d 61 70 47 57 6f 72 6c | 64 20 64 6f 65 73 20 69 |MapGWorl|d does i|
|00006390| 73 20 63 61 6c 6c 20 4d | 61 70 52 65 63 74 61 6e |s call M|apRectan|
|000063a0| 67 6c 65 2c 20 77 68 69 | 63 68 20 63 6f 6d 70 75 |gle, whi|ch compu|
|000063b0| 74 65 73 20 74 68 65 20 | 73 69 7a 65 20 6f 66 20 |tes the |size of |
|000063c0| 74 68 65 20 64 65 73 74 | 69 6e 61 74 69 6f 6e 20 |the dest|ination |
|000063d0| 47 57 6f 72 6c 64 2e 20 | 28 54 68 69 73 20 61 6e |GWorld. |(This an|
|000063e0| 64 20 6f 74 68 65 72 20 | 73 75 62 72 6f 75 74 69 |d other |subrouti|
|000063f0| 6e 65 73 20 63 61 6e 20 | 62 65 20 66 6f 75 6e 64 |nes can |be found|
+--------+-------------------------+-------------------------+--------+--------+
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