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asking S5 problem code

7/13/2010 3:37 PM	Rate (0)
Springtea Posts: 7 Rating: (0)	Hey! I meet few sentence codes in problems, but I do not understand what they do. Can you give me some hinets?justlike the mathematical operation. I find the manual about code meanning, butcompletely do notunderstand these. JU FB15 Name :GP:FPGP Z12 : DW 2 Z11 : DW 1 Z22 : DW 102 Z21 : DW 101 I think that is FDG DW2 T DW102 ?? FDG DW1 T DW101 ?? JU FB 19 Name :GP:MUL Z12 : DW 102 Z11 : DW 101 Z22 : DW 104 Z21 : DW 103 OV : F 2.0 Z3=0 : F 2.1 Z32 : DW 201 Z31 : DW 200 I think that is DW102 DW101 XG DW104DW103 ------------------------------------- DW201DW200 ?? JU FB 20 Name :GP:DIV Z12 : DW 201 Z11 : DW 200 Z22 : DW 106 Z21 : DW 105 OV : F 3.0 FEH : F 3.1 Z3=0 : F 3.2 Z32 : DW 203 Z31 : DW 202 I think that is DW201 DW200 :G DW106DW105 ------------------------------------- DW203DW202 ?? Attachment ums945_e[1].pdf (392 Downloads)
Springtea Posts: 7 Rating: (0)
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7/13/2010 7:59 PM	Rate (0)
jklm Platinum Member Joined: 12/22/2006 Last visit: 1/25/2022 Posts: 1742 Rating: (309)	Hello, JU FB15 Name :GP:FPGP Z12 : DW 2 Z11 : DW 1 Z22 : DW 102 Z21 : DW 101 The FB15 is part of the library for floating point computation (GP = Gleitpunkt in german = Floating point in englisch) The FB15 converts a 32 bit integer (double word Z12-Z11 built with two 16 bit words) to a 32 bit floating point (double word z22-z21). Because the 115U CPU up to 944 do not support 32 bit data, you must supply two words to get a double word. JU FB 19 Name :GP:MUL Z12 : DW 102 Z11 : DW 101 Z22 : DW 104 Z21 : DW 103 OV : F 2.0 Z3=0 : F 2.1 Z32 : DW 201 Z31 : DW 200 Function: (Z32-Z31) = (Z12-Z11) * (Z22-Z21) with OV as overflow indication Where Z32-Z31 a floating point is 32 bit wide (that you must supply as two 16 bit words). and so on ...
	Best regards jklm Suggestion was helpful? Feel free to rate it.
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