search for: initsp_2r

...3 are all in the range 0-11 and therefore aaaaa is in the range 0 - 26 I managed to get decoding of ADD_3r instructions to work by specifying the value of the bits that are fixed in the instruction format and using a custom DecoderMethod to handle the rest. The problem comes when I try and add the INITSP_2r instruction. INITSP_2r is encoded as: 00010aaaaab0ccdd Again operands are not individually encoded into bits but instead they are combined into a single field using arithmetic operations. Due to the way the aaaaa is derived it is guaranteed to be greater than 27. The value of these bits is how th...

...in the range 0-11 and therefore aaaaa is in the range 0 - 26 > > I managed to get decoding of ADD_3r instructions to work by specifying the value of the bits that are fixed in the instruction format and using a custom DecoderMethod to handle the rest. The problem comes when I try and add the INITSP_2r instruction. > > INITSP_2r is encoded as: 00010aaaaab0ccdd > > Again operands are not individually encoded into bits but instead they are combined into a single field using arithmetic operations. Due to the way the aaaaa is derived it is guaranteed to be greater than 27. The value of...