/ Developer CD Series 1994 June: Reference Library / Dev.CD Jun 94.toast / Technical Documentation / Inside Macintosh / IM—PowerPC System Software

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+--------+-------------------------+-------------------------+--------+--------+
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|00001b90| 65 72 20 52 6f 75 74 69 | 6e 65 73 14 14 33 2d 31 |er Routi|nes..3-1|
|00001ba0| 38 0d 4c 6f 61 64 69 6e | 67 20 46 72 61 67 6d 65 |8.Loadin|g Fragme|
|00001bb0| 6e 74 73 14 14 33 2d 31 | 39 0d 55 6e 6c 6f 61 64 |nts..3-1|9.Unload|
|00001bc0| 69 6e 67 20 46 72 61 67 | 6d 65 6e 74 73 14 14 33 |ing Frag|ments..3|
|00001bd0| 2d 32 33 0d 46 69 6e 64 | 69 6e 67 20 53 79 6d 62 |-23.Find|ing Symb|
|00001be0| 6f 6c 73 14 14 33 2d 32 | 34 0d 46 72 61 67 6d 65 |ols..3-2|4.Fragme|
|00001bf0| 6e 74 2d 44 65 66 69 6e | 65 64 20 52 6f 75 74 69 |nt-Defin|ed Routi|
|00001c00| 6e 65 73 14 14 33 2d 32 | 36 0d 52 65 73 6f 75 72 |nes..3-2|6.Resour|
|00001c10| 63 65 73 14 14 33 2d 32 | 38 0d 54 68 65 20 43 6f |ces..3-2|8.The Co|
|00001c20| 64 65 20 46 72 61 67 6d | 65 6e 74 20 52 65 73 6f |de Fragm|ent Reso|
|00001c30| 75 72 63 65 14 14 33 2d | 32 38 0d 53 75 6d 6d 61 |urce..3-|28.Summa|
|00001c40| 72 79 20 6f 66 20 74 68 | 65 20 43 6f 64 65 20 46 |ry of th|e Code F|
|00001c50| 72 61 67 6d 65 6e 74 20 | 4d 61 6e 61 67 65 72 14 |ragment |Manager.|
|00001c60| 14 33 2d 33 32 0d 43 20 | 53 75 6d 6d 61 72 79 14 |.3-32.C |Summary.|
|00001c70| 14 33 2d 33 32 0d 43 6f | 6e 73 74 61 6e 74 73 14 |.3-32.Co|nstants.|
|00001c80| 14 33 2d 33 32 0d 44 61 | 74 61 20 54 79 70 65 73 |.3-32.Da|ta Types|
|00001c90| 14 14 33 2d 33 33 0d 43 | 6f 64 65 20 46 72 61 67 |..3-33.C|ode Frag|
|00001ca0| 6d 65 6e 74 20 4d 61 6e | 61 67 65 72 20 52 6f 75 |ment Man|ager Rou|
|00001cb0| 74 69 6e 65 73 14 14 33 | 2d 33 34 0d 46 72 61 67 |tines..3|-34.Frag|
|00001cc0| 6d 65 6e 74 2d 44 65 66 | 69 6e 65 64 20 52 6f 75 |ment-Def|ined Rou|
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|00001ce0| 6c 74 20 43 6f 64 65 73 | 14 14 33 2d 33 35 0d 43 |lt Codes|..3-35.C|
|00001cf0| 68 61 70 74 65 72 20 34 | 09 45 78 63 65 70 74 69 |hapter 4|.Excepti|
|00001d00| 6f 6e 20 4d 61 6e 61 67 | 65 72 14 14 34 2d 31 0d |on Manag|er..4-1.|
|00001d10| 0d 41 62 6f 75 74 20 74 | 68 65 20 45 78 63 65 70 |.About t|he Excep|
|00001d20| 74 69 6f 6e 20 4d 61 6e | 61 67 65 72 14 14 34 2d |tion Man|ager..4-|
|00001d30| 33 0d 45 78 63 65 70 74 | 69 6f 6e 20 43 6f 6e 74 |3.Except|ion Cont|
|00001d40| 65 78 74 73 14 14 34 2d | 34 0d 54 79 70 65 73 20 |exts..4-|4.Types |
|00001d50| 6f 66 20 45 78 63 65 70 | 74 69 6f 6e 73 14 14 34 |of Excep|tions..4|
|00001d60| 2d 35 0d 55 73 69 6e 67 | 20 74 68 65 20 45 78 63 |-5.Using| the Exc|
|00001d70| 65 70 74 69 6f 6e 20 4d | 61 6e 61 67 65 72 14 14 |eption M|anager..|
|00001d80| 34 2d 36 0d 49 6e 73 74 | 61 6c 6c 69 6e 67 20 61 |4-6.Inst|alling a|
|00001d90| 6e 20 45 78 63 65 70 74 | 69 6f 6e 20 48 61 6e 64 |n Except|ion Hand|
|00001da0| 6c 65 72 14 14 34 2d 36 | 0d 57 72 69 74 69 6e 67 |ler..4-6|.Writing|
|00001db0| 20 61 6e 20 45 78 63 65 | 70 74 69 6f 6e 20 48 61 | an Exce|ption Ha|
|00001dc0| 6e 64 6c 65 72 14 14 34 | 2d 37 0d 45 78 63 65 70 |ndler..4|-7.Excep|
|00001dd0| 74 69 6f 6e 20 4d 61 6e | 61 67 65 72 20 52 65 66 |tion Man|ager Ref|
|00001de0| 65 72 65 6e 63 65 14 14 | 34 2d 39 0d 43 6f 6e 73 |erence..|4-9.Cons|
|00001df0| 74 61 6e 74 73 14 14 34 | 2d 39 0d 45 78 63 65 70 |tants..4|-9.Excep|
|00001e00| 74 69 6f 6e 20 4b 69 6e | 64 73 14 14 34 2d 39 0d |tion Kin|ds..4-9.|
|00001e10| 4d 65 6d 6f 72 79 20 52 | 65 66 65 72 65 6e 63 65 |Memory R|eference|
|00001e20| 20 4b 69 6e 64 73 14 14 | 34 2d 31 31 0d 44 61 74 | Kinds..|4-11.Dat|
|00001e30| 61 20 53 74 72 75 63 74 | 75 72 65 73 14 14 34 2d |a Struct|ures..4-|
|00001e40| 31 32 0d 4d 61 63 68 69 | 6e 65 20 49 6e 66 6f 72 |12.Machi|ne Infor|
|00001e50| 6d 61 74 69 6f 6e 20 52 | 65 63 6f 72 64 73 14 14 |mation R|ecords..|
|00001e60| 34 2d 31 32 0d 52 65 67 | 69 73 74 65 72 20 49 6e |4-12.Reg|ister In|
|00001e70| 66 6f 72 6d 61 74 69 6f | 6e 20 52 65 63 6f 72 64 |formatio|n Record|
|00001e80| 73 14 14 34 2d 31 32 0d | 46 6c 6f 61 74 69 6e 67 |s..4-12.|Floating|
|00001e90| 2d 50 6f 69 6e 74 20 49 | 6e 66 6f 72 6d 61 74 69 |-Point I|nformati|
|00001ea0| 6f 6e 20 52 65 63 6f 72 | 64 73 14 14 34 2d 31 34 |on Recor|ds..4-14|
|00001eb0| 0d 4d 65 6d 6f 72 79 20 | 45 78 63 65 70 74 69 6f |.Memory |Exceptio|
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|00001ed0| 45 78 63 65 70 74 69 6f | 6e 20 49 6e 66 6f 72 6d |Exceptio|n Inform|
|00001ee0| 61 74 69 6f 6e 20 52 65 | 63 6f 72 64 73 14 14 34 |ation Re|cords..4|
|00001ef0| 2d 31 36 0d 45 78 63 65 | 70 74 69 6f 6e 20 4d 61 |-16.Exce|ption Ma|
|00001f00| 6e 61 67 65 72 20 52 6f | 75 74 69 6e 65 73 14 14 |nager Ro|utines..|
|00001f10| 34 2d 31 37 0d 41 70 70 | 6c 69 63 61 74 69 6f 6e |4-17.App|lication|
|00001f20| 2d 44 65 66 69 6e 65 64 | 20 52 6f 75 74 69 6e 65 |-Defined| Routine|
|00001f30| 73 14 14 34 2d 31 37 0d | 53 75 6d 6d 61 72 79 20 |s..4-17.|Summary |
|00001f40| 6f 66 20 74 68 65 20 45 | 78 63 65 70 74 69 6f 6e |of the E|xception|
|00001f50| 20 4d 61 6e 61 67 65 72 | 14 14 34 2d 31 39 0d 43 | Manager|..4-19.C|
|00001f60| 20 53 75 6d 6d 61 72 79 | 14 14 34 2d 31 39 0d 43 | Summary|..4-19.C|
|00001f70| 6f 6e 73 74 61 6e 74 73 | 14 14 34 2d 31 39 0d 44 |onstants|..4-19.D|
|00001f80| 61 74 61 20 54 79 70 65 | 73 14 14 34 2d 31 39 0d |ata Type|s..4-19.|
|00001f90| 45 78 63 65 70 74 69 6f | 6e 20 4d 61 6e 61 67 65 |Exceptio|n Manage|
|00001fa0| 72 20 52 6f 75 74 69 6e | 65 73 14 14 34 2d 32 32 |r Routin|es..4-22|
|00001fb0| 0d 41 70 70 6c 69 63 61 | 74 69 6f 6e 2d 44 65 66 |.Applica|tion-Def|
|00001fc0| 69 6e 65 64 20 52 6f 75 | 74 69 6e 65 73 14 14 34 |ined Rou|tines..4|
|00001fd0| 2d 32 32 0d 47 6c 6f 73 | 73 61 72 79 14 14 47 4c |-22.Glos|sary..GL|
|00001fe0| 2d 31 0d 0d 49 6e 64 65 | 78 14 14 49 4e 2d 31 0d |-1..Inde|x..IN-1.|
|00001ff0| 46 69 67 75 72 65 73 2c | 20 54 61 62 6c 65 73 2c |Figures,| Tables,|
|00002000| 20 61 6e 64 20 4c 69 73 | 74 69 6e 67 73 0d 50 72 | and Lis|tings.Pr|
|00002010| 65 66 61 63 65 09 41 62 | 6f 75 74 20 54 68 69 73 |eface.Ab|out This|
|00002020| 20 42 6f 6f 6b 14 14 69 | 78 0d 0d 46 69 67 75 72 | Book..i|x..Figur|
|00002030| 65 20 50 2d 31 09 36 38 | 30 78 30 20 62 69 74 20 |e P-1.68|0x0 bit |
|00002040| 6e 75 6d 62 65 72 69 6e | 67 14 14 78 69 69 69 0d |numberin|g..xiii.|
|00002050| 46 69 67 75 72 65 20 50 | 2d 32 09 50 6f 77 65 72 |Figure P|-2.Power|
|00002060| 50 43 20 62 69 74 20 6e | 75 6d 62 65 72 69 6e 67 |PC bit n|umbering|
|00002070| 14 14 78 69 69 69 0d 54 | 61 62 6c 65 20 50 2d 31 |..xiii.T|able P-1|
|00002080| 09 53 69 7a 65 73 20 6f | 66 20 6d 65 6d 6f 72 79 |.Sizes o|f memory|
|00002090| 20 6f 70 65 72 61 6e 64 | 73 14 14 78 69 69 69 0d | operand|s..xiii.|
|000020a0| 43 68 61 70 74 65 72 20 | 31 09 49 6e 74 72 6f 64 |Chapter |1.Introd|
|000020b0| 75 63 74 69 6f 6e 20 74 | 6f 20 50 6f 77 65 72 50 |uction t|o PowerP|
|000020c0| 43 20 53 79 73 74 65 6d | 20 53 6f 66 74 77 61 72 |C System| Softwar|
|000020d0| 65 14 14 31 2d 31 0d 0d | 46 69 67 75 72 65 20 31 |e..1-1..|Figure 1|
|000020e0| 2d 31 09 54 68 65 20 73 | 79 73 74 65 6d 20 73 6f |-1.The s|ystem so|
|000020f0| 66 74 77 61 72 65 20 66 | 6f 72 20 50 6f 77 65 72 |ftware f|or Power|
|00002100| 50 43 20 70 72 6f 63 65 | 73 73 6f 72 2d 62 61 73 |PC proce|ssor-bas|
|00002110| 65 64 20 4d 61 63 69 6e | 74 6f 73 68 20 63 6f 6d |ed Macin|tosh com|
|00002120| 70 75 74 65 72 73 14 14 | 31 2d 35 0d 46 69 67 75 |puters..|1-5.Figu|
|00002130| 72 65 20 31 2d 32 09 43 | 72 65 61 74 69 6e 67 20 |re 1-2.C|reating |
|00002140| 69 6d 70 6f 72 74 73 20 | 69 6e 20 61 20 66 72 61 |imports |in a fra|
|00002150| 67 6d 65 6e 74 14 14 31 | 2d 32 34 0d 46 69 67 75 |gment..1|-24.Figu|
|00002160| 72 65 20 31 2d 33 09 41 | 20 74 72 61 6e 73 69 74 |re 1-3.A| transit|
|00002170| 69 6f 6e 20 76 65 63 74 | 6f 72 14 14 31 2d 32 37 |ion vect|or..1-27|
|00002180| 0d 46 69 67 75 72 65 20 | 31 2d 34 09 54 68 65 20 |.Figure |1-4.The |
|00002190| 73 74 72 75 63 74 75 72 | 65 20 6f 66 20 61 20 50 |structur|e of a P|
|000021a0| 6f 77 65 72 50 43 20 61 | 70 70 6c 69 63 61 74 69 |owerPC a|pplicati|
|000021b0| 6f 6e 14 14 31 2d 33 31 | 0d 46 69 67 75 72 65 20 |on..1-31|.Figure |
|000021c0| 31 2d 35 09 54 68 65 20 | 73 74 72 75 63 74 75 72 |1-5.The |structur|
|000021d0| 65 20 6f 66 20 61 20 36 | 38 30 78 30 20 61 70 70 |e of a 6|80x0 app|
|000021e0| 6c 69 63 61 74 69 6f 6e | 14 14 31 2d 33 32 0d 46 |lication|..1-32.F|
|000021f0| 69 67 75 72 65 20 31 2d | 36 09 54 68 65 20 73 74 |igure 1-|6.The st|
|00002200| 72 75 63 74 75 72 65 20 | 6f 66 20 61 20 66 61 74 |ructure |of a fat|
|00002210| 20 61 70 70 6c 69 63 61 | 74 69 6f 6e 14 14 31 2d | applica|tion..1-|
|00002220| 33 33 0d 46 69 67 75 72 | 65 20 31 2d 37 09 54 68 |33.Figur|e 1-7.Th|
|00002230| 65 20 73 74 72 75 63 74 | 75 72 65 20 6f 66 20 61 |e struct|ure of a|
|00002240| 6e 20 61 63 63 65 6c 65 | 72 61 74 65 64 20 72 65 |n accele|rated re|
|00002250| 73 6f 75 72 63 65 14 14 | 31 2d 33 35 0d 46 69 67 |source..|1-35.Fig|
|00002260| 75 72 65 20 31 2d 38 09 | 54 68 65 20 73 74 72 75 |ure 1-8.|The stru|
|00002270| 63 74 75 72 65 20 6f 66 | 20 61 20 70 72 69 76 61 |cture of| a priva|
|00002280| 74 65 20 72 65 73 6f 75 | 72 63 65 14 14 31 2d 33 |te resou|rce..1-3|
|00002290| 36 0d 46 69 67 75 72 65 | 20 31 2d 39 09 41 20 36 |6.Figure| 1-9.A 6|
|000022a0| 38 30 78 30 20 73 74 61 | 63 6b 20 66 72 61 6d 65 |80x0 sta|ck frame|
|000022b0| 14 14 31 2d 34 32 0d 46 | 69 67 75 72 65 20 31 2d |..1-42.F|igure 1-|
|000022c0| 31 30 09 54 68 65 20 50 | 6f 77 65 72 50 43 20 73 |10.The P|owerPC s|
|000022d0| 74 61 63 6b 14 14 31 2d | 34 34 0d 46 69 67 75 72 |tack..1-|44.Figur|
|000022e0| 65 20 31 2d 31 31 09 54 | 68 65 20 73 74 72 75 63 |e 1-11.T|he struc|
|000022f0| 74 75 72 65 20 6f 66 20 | 61 20 73 74 61 63 6b 20 |ture of |a stack |
|00002300| 66 72 61 6d 65 d5 73 20 | 6c 69 6e 6b 61 67 65 20 |frame.s |linkage |
|00002310| 61 72 65 61 14 14 31 2d | 34 35 0d 46 69 67 75 72 |area..1-|45.Figur|
|00002320| 65 20 31 2d 31 32 09 54 | 68 65 20 52 65 64 20 5a |e 1-12.T|he Red Z|
|00002330| 6f 6e 65 14 14 31 2d 34 | 36 0d 46 69 67 75 72 65 |one..1-4|6.Figure|
|00002340| 20 31 2d 31 33 09 54 68 | 65 20 6f 72 67 61 6e 69 | 1-13.Th|e organi|
|00002350| 7a 61 74 69 6f 6e 20 6f | 66 20 74 68 65 20 70 61 |zation o|f the pa|
|00002360| 72 61 6d 65 74 65 72 20 | 61 72 65 61 20 6f 6e 20 |rameter |area on |
|00002370| 74 68 65 20 73 74 61 63 | 6b 14 14 31 2d 34 39 0d |the stac|k..1-49.|
|00002380| 46 69 67 75 72 65 20 31 | 2d 31 34 09 4f 72 67 61 |Figure 1|-14.Orga|
|00002390| 6e 69 7a 61 74 69 6f 6e | 20 6f 66 20 6d 65 6d 6f |nization| of memo|
|000023a0| 72 79 20 77 68 65 6e 20 | 76 69 72 74 75 61 6c 20 |ry when |virtual |
|000023b0| 6d 65 6d 6f 72 79 20 69 | 73 20 65 6e 61 62 6c 65 |memory i|s enable|
|000023c0| 64 14 14 31 2d 35 34 0d | 46 69 67 75 72 65 20 31 |d..1-54.|Figure 1|
|000023d0| 2d 31 35 09 4f 72 67 61 | 6e 69 7a 61 74 69 6f 6e |-15.Orga|nization|
|000023e0| 20 6f 66 20 6d 65 6d 6f | 72 79 20 77 68 65 6e 20 | of memo|ry when |
|000023f0| 76 69 72 74 75 61 6c 20 | 6d 65 6d 6f 72 79 20 69 |virtual |memory i|
|00002400| 73 20 6e 6f 74 20 65 6e | 61 62 6c 65 64 14 14 31 |s not en|abled..1|
|00002410| 2d 35 36 0d 46 69 67 75 | 72 65 20 31 2d 31 36 09 |-56.Figu|re 1-16.|
|00002420| 54 68 65 20 73 74 72 75 | 63 74 75 72 65 20 6f 66 |The stru|cture of|
|00002430| 20 61 20 50 6f 77 65 72 | 50 43 20 61 70 70 6c 69 | a Power|PC appli|
|00002440| 63 61 74 69 6f 6e 20 70 | 61 72 74 69 74 69 6f 6e |cation p|artition|
|00002450| 14 14 31 2d 36 30 0d 46 | 69 67 75 72 65 20 31 2d |..1-60.F|igure 1-|
|00002460| 31 37 09 54 68 65 20 4d | 65 6d 6f 72 79 20 63 6f |17.The M|emory co|
|00002470| 6e 74 72 6f 6c 20 70 61 | 6e 65 6c 20 66 6f 72 20 |ntrol pa|nel for |
|00002480| 50 6f 77 65 72 50 43 20 | 70 72 6f 63 65 73 73 6f |PowerPC |processo|
|00002490| 72 2d 62 61 73 65 64 20 | 4d 61 63 69 6e 74 6f 73 |r-based |Macintos|
|000024a0| 68 20 63 6f 6d 70 75 74 | 65 72 73 14 14 31 2d 36 |h comput|ers..1-6|
|000024b0| 39 0d 4c 69 73 74 69 6e | 67 20 31 2d 31 09 43 72 |9.Listin|g 1-1.Cr|
|000024c0| 65 61 74 69 6e 67 20 61 | 20 72 6f 75 74 69 6e 65 |eating a| routine|
|000024d0| 20 64 65 73 63 72 69 70 | 74 6f 72 14 14 31 2d 31 | descrip|tor..1-1|
|000024e0| 37 0d 4c 69 73 74 69 6e | 67 20 31 2d 32 09 54 68 |7.Listin|g 1-2.Th|
|000024f0| 65 20 64 65 66 69 6e 69 | 74 69 6f 6e 20 6f 66 20 |e defini|tion of |
|00002500| 74 68 65 20 4e 65 77 43 | 6f 6e 74 72 6f 6c 41 63 |the NewC|ontrolAc|
|00002510| 74 69 6f 6e 50 72 6f 63 | 20 72 6f 75 74 69 6e 65 |tionProc| routine|
|00002520| 14 14 31 2d 31 38 0d 4c | 69 73 74 69 6e 67 20 31 |..1-18.L|isting 1|
|00002530| 2d 33 09 43 72 65 61 74 | 69 6e 67 20 61 20 72 6f |-3.Creat|ing a ro|
|00002540| 75 74 69 6e 65 20 64 65 | 73 63 72 69 70 74 6f 72 |utine de|scriptor|
|00002550| 20 66 6f 72 20 61 20 63 | 6f 6e 74 72 6f 6c 20 61 | for a c|ontrol a|
|00002560| 63 74 69 6f 6e 20 70 72 | 6f 63 65 64 75 72 65 14 |ction pr|ocedure.|
|00002570| 14 31 2d 31 39 0d 4c 69 | 73 74 69 6e 67 20 31 2d |.1-19.Li|sting 1-|
|00002580| 34 09 54 65 73 74 69 6e | 67 20 66 6f 72 20 75 6e |4.Testin|g for un|
|00002590| 72 65 73 6f 6c 76 65 64 | 20 73 6f 66 74 20 69 6d |resolved| soft im|
|000025a0| 70 6f 72 74 73 14 14 31 | 2d 32 35 0d 4c 69 73 74 |ports..1|-25.List|
|000025b0| 69 6e 67 20 31 2d 35 09 | 54 68 65 20 52 65 7a 20 |ing 1-5.|The Rez |
|000025c0| 69 6e 70 75 74 20 66 6f | 72 20 61 20 73 61 6d 70 |input fo|r a samp|
|000025d0| 6c 65 20 27 63 66 72 67 | 27 20 72 65 73 6f 75 72 |le 'cfrg|' resour|
|000025e0| 63 65 14 14 31 2d 33 32 | 0d 4c 69 73 74 69 6e 67 |ce..1-32|.Listing|
|000025f0| 20 31 2d 36 09 52 65 7a | 20 69 6e 70 75 74 20 66 | 1-6.Rez| input f|
|00002600| 6f 72 20 61 20 6c 69 73 | 74 20 64 65 66 69 6e 69 |or a lis|t defini|
|00002610| 74 69 6f 6e 20 70 72 6f | 63 65 64 75 72 65 20 73 |tion pro|cedure s|
|00002620| 74 75 62 14 14 31 2d 33 | 35 0d 4c 69 73 74 69 6e |tub..1-3|5.Listin|
|00002630| 67 20 31 2d 37 09 55 73 | 69 6e 67 20 61 6e 20 61 |g 1-7.Us|ing an a|
|00002640| 63 63 65 6c 65 72 61 74 | 65 64 20 72 65 73 6f 75 |ccelerat|ed resou|
|00002650| 72 63 65 14 14 31 2d 33 | 37 0d 4c 69 73 74 69 6e |rce..1-3|7.Listin|
|00002660| 67 20 31 2d 38 09 53 6f | 6d 65 20 61 63 63 65 70 |g 1-8.So|me accep|
|00002670| 74 61 62 6c 65 20 67 6c | 6f 62 61 6c 20 64 65 63 |table gl|obal dec|
|00002680| 6c 61 72 61 74 69 6f 6e | 73 20 69 6e 20 61 6e 20 |laration|s in an |
|00002690| 61 63 63 65 6c 65 72 61 | 74 65 64 20 72 65 73 6f |accelera|ted reso|
|000026a0| 75 72 63 65 14 14 31 2d | 33 39 0d 4c 69 73 74 69 |urce..1-|39.Listi|
|000026b0| 6e 67 20 31 2d 39 09 53 | 6f 6d 65 20 75 6e 61 63 |ng 1-9.S|ome unac|
|000026c0| 63 65 70 74 61 62 6c 65 | 20 67 6c 6f 62 61 6c 20 |ceptable| global |
|000026d0| 64 65 63 6c 61 72 61 74 | 69 6f 6e 73 20 61 6e 64 |declarat|ions and|
|000026e0| 20 63 6f 64 65 20 69 6e | 20 61 6e 20 61 63 63 65 | code in| an acce|
|000026f0| 6c 65 72 61 74 65 64 20 | 72 65 73 6f 75 72 63 65 |lerated |resource|
|00002700| 14 14 31 2d 33 39 0d 4c | 69 73 74 69 6e 67 20 31 |..1-39.L|isting 1|
|00002710| 2d 31 30 09 55 73 69 6e | 67 20 61 20 70 72 69 76 |-10.Usin|g a priv|
|00002720| 61 74 65 20 72 65 73 6f | 75 72 63 65 14 14 31 2d |ate reso|urce..1-|
|00002730| 34 30 0d 4c 69 73 74 69 | 6e 67 20 31 2d 31 31 09 |40.Listi|ng 1-11.|
|00002740| 44 65 63 6c 61 72 69 6e | 67 20 61 6e 20 61 70 70 |Declarin|g an app|
|00002750| 6c 69 63 61 74 69 6f 6e | d5 73 20 51 75 69 63 6b |lication|.s Quick|
|00002760| 44 72 61 77 20 67 6c 6f | 62 61 6c 20 76 61 72 69 |Draw glo|bal vari|
|00002770| 61 62 6c 65 73 14 14 31 | 2d 35 39 0d 4c 69 73 74 |ables..1|-59.List|
|00002780| 69 6e 67 20 31 2d 31 32 | 09 41 20 73 61 6d 70 6c |ing 1-12|.A sampl|
|00002790| 65 20 36 38 30 78 30 20 | 56 42 4c 20 74 61 73 6b |e 680x0 |VBL task|
|000027a0| 20 64 65 66 69 6e 69 74 | 69 6f 6e 14 14 31 2d 36 | definit|ion..1-6|
|000027b0| 31 0d 4c 69 73 74 69 6e | 67 20 31 2d 31 33 09 41 |1.Listin|g 1-13.A|
|000027c0| 20 63 6f 6e 64 69 74 69 | 6f 6e 61 6c 69 7a 65 64 | conditi|onalized|
|000027d0| 20 56 42 4c 20 74 61 73 | 6b 20 64 65 66 69 6e 69 | VBL tas|k defini|
|000027e0| 74 69 6f 6e 14 14 31 2d | 36 32 0d 4c 69 73 74 69 |tion..1-|62.Listi|
|000027f0| 6e 67 20 31 2d 31 34 09 | 50 61 74 63 68 69 6e 67 |ng 1-14.|Patching|
|00002800| 20 61 6e 20 4f 70 65 72 | 61 74 69 6e 67 20 53 79 | an Oper|ating Sy|
|00002810| 73 74 65 6d 20 74 72 61 | 70 14 14 31 2d 36 37 0d |stem tra|p..1-67.|
|00002820| 4c 69 73 74 69 6e 67 20 | 31 2d 31 35 09 57 61 69 |Listing |1-15.Wai|
|00002830| 74 69 6e 67 20 74 6f 20 | 63 61 6c 6c 20 74 68 65 |ting to |call the|
|00002840| 20 57 61 69 74 4e 65 78 | 74 45 76 65 6e 74 20 66 | WaitNex|tEvent f|
|00002850| 75 6e 63 74 69 6f 6e 14 | 14 31 2d 37 32 0d 43 68 |unction.|.1-72.Ch|
|00002860| 61 70 74 65 72 20 32 09 | 4d 69 78 65 64 20 4d 6f |apter 2.|Mixed Mo|
|00002870| 64 65 20 4d 61 6e 61 67 | 65 72 14 14 32 2d 31 0d |de Manag|er..2-1.|
|00002880| 0d 46 69 67 75 72 65 20 | 32 2d 31 09 36 38 30 78 |.Figure |2-1.680x|
|00002890| 30 20 61 6e 64 20 50 6f | 77 65 72 50 43 20 70 72 |0 and Po|werPC pr|
|000028a0| 6f 63 65 64 75 72 65 20 | 70 6f 69 6e 74 65 72 73 |ocedure |pointers|
|000028b0| 14 14 32 2d 35 0d 46 69 | 67 75 72 65 20 32 2d 32 |..2-5.Fi|gure 2-2|
|000028c0| 09 43 61 6c 6c 69 6e 67 | 20 50 6f 77 65 72 50 43 |.Calling| PowerPC|
|000028d0| 20 63 6f 64 65 20 66 72 | 6f 6d 20 61 20 36 38 30 | code fr|om a 680|
|000028e0| 78 30 20 61 70 70 6c 69 | 63 61 74 69 6f 6e 14 14 |x0 appli|cation..|
|000028f0| 32 2d 39 0d 46 69 67 75 | 72 65 20 32 2d 33 09 54 |2-9.Figu|re 2-3.T|
|00002900| 68 65 20 73 74 61 63 6b | 20 62 65 66 6f 72 65 20 |he stack| before |
|00002910| 61 20 6d 6f 64 65 20 73 | 77 69 74 63 68 14 14 32 |a mode s|witch..2|
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|00002b50| 20 32 2d 33 09 43 72 65 | 61 74 69 6e 67 20 6c 6f | 2-3.Cre|ating lo|
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|00002bc0| 42 75 69 6c 64 69 6e 67 | 20 61 20 73 74 61 74 69 |Building| a stati|
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|00002ce0| 6e 67 20 33 2d 32 09 4c | 6f 61 64 69 6e 67 20 61 |ng 3-2.L|oading a|
|00002cf0| 20 72 65 73 6f 75 72 63 | 65 2d 62 61 73 65 64 20 | resourc|e-based |
|00002d00| 66 72 61 67 6d 65 6e 74 | 14 14 33 2d 31 31 0d 4c |fragment|..3-11.L|
|00002d10| 69 73 74 69 6e 67 20 33 | 2d 33 09 4c 6f 61 64 69 |isting 3|-3.Loadi|
|00002d20| 6e 67 20 61 20 64 69 73 | 6b 2d 62 61 73 65 64 20 |ng a dis|k-based |
|00002d30| 66 72 61 67 6d 65 6e 74 | 14 14 33 2d 31 31 0d 4c |fragment|..3-11.L|
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|00002e20| 31 0d 0d 4c 69 73 74 69 | 6e 67 20 34 2d 31 09 49 |1..Listi|ng 4-1.I|
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|00002e60| 41 20 6e 61 74 69 76 65 | 20 65 78 63 65 70 74 69 |A native| excepti|
|00002e70| 6f 6e 20 68 61 6e 64 6c | 65 72 14 14 34 2d 38 0d |on handl|er..4-8.|
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|000036a0| 20 70 72 6f 63 65 73 73 | 6f 72 2d 62 61 73 65 64 | process|or-based|
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|000060b0| 68 65 20 6d 6f 73 74 20 | 70 6f 70 75 6c 61 72 20 |he most |popular |
|000060c0| 74 68 69 72 64 2d 70 61 | 72 74 79 20 64 65 76 65 |third-pa|rty deve|
|000060d0| 6c 6f 70 6d 65 6e 74 20 | 74 6f 6f 6c 73 2e 20 4f |lopment |tools. O|
|000060e0| 72 64 65 72 69 6e 67 20 | 69 73 20 65 61 73 79 3b |rdering |is easy;|
|000060f0| 20 74 68 65 72 65 20 61 | 72 65 20 6e 6f 20 6d 65 | there a|re no me|
|00006100| 6d 62 65 72 73 68 69 70 | 20 66 65 65 73 2c 20 61 |mbership| fees, a|
|00006110| 6e 64 20 61 70 70 6c 69 | 63 61 74 69 6f 6e 20 66 |nd appli|cation f|
|00006120| 6f 72 6d 73 20 61 72 65 | 20 6e 6f 74 20 72 65 71 |orms are| not req|
|00006130| 75 69 72 65 64 20 66 6f | 72 20 6d 6f 73 74 20 6f |uired fo|r most o|
|00006140| 66 20 6f 75 72 20 70 72 | 6f 64 75 63 74 73 2e 20 |f our pr|oducts. |
|00006150| 41 50 44 41 20 6f 66 66 | 65 72 73 20 63 6f 6e 76 |APDA off|ers conv|
|00006160| 65 6e 69 65 6e 74 20 70 | 61 79 6d 65 6e 74 20 61 |enient p|ayment a|
|00006170| 6e 64 20 73 68 69 70 70 | 69 6e 67 20 6f 70 74 69 |nd shipp|ing opti|
|00006180| 6f 6e 73 2c 20 69 6e 63 | 6c 75 64 69 6e 67 20 73 |ons, inc|luding s|
|00006190| 69 74 65 20 6c 69 63 65 | 6e 73 69 6e 67 2e 0d 54 |ite lice|nsing..T|
|000061a0| 6f 20 6f 72 64 65 72 20 | 70 72 6f 64 75 63 74 73 |o order |products|
|000061b0| 20 6f 72 20 74 6f 20 72 | 65 71 75 65 73 74 20 61 | or to r|equest a|
|000061c0| 20 63 6f 6d 70 6c 69 6d | 65 6e 74 61 72 79 20 63 | complim|entary c|
|000061d0| 6f 70 79 20 6f 66 20 74 | 68 65 20 41 50 44 41 20 |opy of t|he APDA |
|000061e0| 54 6f 6f 6c 73 20 43 61 | 74 61 6c 6f 67 2c 20 63 |Tools Ca|talog, c|
|000061f0| 6f 6e 74 61 63 74 20 0d | 41 50 44 41 20 0d 41 70 |ontact .|APDA .Ap|
|00006200| 70 6c 65 20 43 6f 6d 70 | 75 74 65 72 2c 20 49 6e |ple Comp|uter, In|
|00006210| 63 2e 20 0d 50 2e 4f 2e | 20 42 6f 78 20 33 31 39 |c. .P.O.| Box 319|
|00006220| 0d 42 75 66 66 61 6c 6f | 2c 20 4e 59 20 31 34 32 |.Buffalo|, NY 142|
|00006230| 30 37 2d 30 33 31 39 54 | 65 6c 65 70 68 6f 6e 65 |07-0319T|elephone|
|00006240| 09 38 30 30 2d 32 38 32 | 2d 32 37 33 32 20 28 55 |.800-282|-2732 (U|
|00006250| 6e 69 74 65 64 20 53 74 | 61 74 65 73 29 0d 38 30 |nited St|ates).80|
|00006260| 30 2d 36 33 37 2d 30 30 | 32 39 20 28 43 61 6e 61 |0-637-00|29 (Cana|
|00006270| 64 61 29 0d 37 31 36 2d | 38 37 31 2d 36 35 35 35 |da).716-|871-6555|
|00006280| 20 28 49 6e 74 65 72 6e | 61 74 69 6f 6e 61 6c 29 | (Intern|ational)|
|00006290| 09 0d 46 61 78 09 37 31 | 36 2d 38 37 31 2d 36 35 |..Fax.71|6-871-65|
|000062a0| 31 31 20 09 0d 41 70 70 | 6c 65 4c 69 6e 6b 09 41 |11 ..App|leLink.A|
|000062b0| 50 44 41 09 0d 41 6d 65 | 72 69 63 61 20 4f 6e 6c |PDA..Ame|rica Onl|
|000062c0| 69 6e 65 09 41 50 44 41 | 09 0d 43 6f 6d 70 75 53 |ine.APDA|..CompuS|
|000062d0| 65 72 76 65 09 37 36 36 | 36 36 2c 32 34 30 35 09 |erve.766|66,2405.|
|000062e0| 0d 49 6e 74 65 72 6e 65 | 74 09 41 50 44 41 40 61 |.Interne|t.APDA@a|
|000062f0| 70 70 6c 65 6c 69 6e 6b | 2e 61 70 70 6c 65 2e 63 |pplelink|.apple.c|
|00006300| 6f 6d 09 0d 0d 49 66 20 | 79 6f 75 20 70 72 6f 76 |om...If |you prov|
|00006310| 69 64 65 20 63 6f 6d 6d | 65 72 63 69 61 6c 20 70 |ide comm|ercial p|
|00006320| 72 6f 64 75 63 74 73 20 | 61 6e 64 20 73 65 72 76 |roducts |and serv|
|00006330| 69 63 65 73 2c 20 63 61 | 6c 6c 20 34 30 38 2d 39 |ices, ca|ll 408-9|
|00006340| 37 34 2d 34 38 39 37 20 | 66 6f 72 20 69 6e 66 6f |74-4897 |for info|
|00006350| 72 6d 61 74 69 6f 6e 20 | 6f 6e 20 74 68 65 20 64 |rmation |on the d|
|00006360| 65 76 65 6c 6f 70 65 72 | 20 73 75 70 70 6f 72 74 |eveloper| support|
|00006370| 20 70 72 6f 67 72 61 6d | 73 20 61 76 61 69 6c 61 | program|s availa|
|00006380| 62 6c 65 20 66 72 6f 6d | 20 41 70 70 6c 65 2e 0d |ble from| Apple..|
|00006390| 46 6f 72 20 69 6e 66 6f | 72 6d 61 74 69 6f 6e 20 |For info|rmation |
|000063a0| 6f 6e 20 72 65 67 69 73 | 74 65 72 69 6e 67 20 73 |on regis|tering s|
|000063b0| 69 67 6e 61 74 75 72 65 | 73 2c 20 66 69 6c 65 20 |ignature|s, file |
|000063c0| 74 79 70 65 73 2c 20 41 | 70 70 6c 65 20 65 76 65 |types, A|pple eve|
|000063d0| 6e 74 73 2c 20 61 6e 64 | 20 6f 74 68 65 72 20 74 |nts, and| other t|
|000063e0| 65 63 68 6e 69 63 61 6c | 20 69 6e 66 6f 72 6d 61 |echnical| informa|
|000063f0| 74 69 6f 6e 2c 20 63 6f | 6e 74 61 63 74 0d 4d 61 |tion, co|ntact.Ma|
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