{Need a "bangs head" smiley}Thanks. Not sure where I got the "+" from. Maybe a different assembler.
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| "ADDRESS REGISTER INDIRECT WITH INDEX" http://www.easy68k.com/EASy68Kforum/viewtopic.php?f=5&t=1271 |
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| Author: | gtippery [ Wed Dec 18, 2013 4:04 pm ] |
| Post subject: | "ADDRESS REGISTER INDIRECT WITH INDEX" |
Code: Line 10 ERROR: Invalid syntax 00001000 10 MOVE D7,(A0+A6.L) Line 11 ERROR: Invalid syntax 00001000 11 MOVE D7,0(A0+A6.L) Line 12 ERROR: Invalid syntax 00001000 12 MOVE D7,(0,A0+A6.L) Line 13 ERROR: Invalid syntax 00001000 13 MOVE D7,(0,A0+A6) Line 14 ERROR: Invalid syntax 00001000 14 MOVE D7,(0,A0.L+A6) I give up, what IS the correct syntax? |
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| Author: | profkelly [ Fri Dec 20, 2013 1:30 pm ] |
| Post subject: | Re: "ADDRESS REGISTER INDIRECT WITH INDEX" |
Code: MOVE D7,(A0,A6.L)
MOVE D7,(A0,A6.W) |
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| Author: | gtippery [ Sat Dec 21, 2013 5:18 am ] |
| Post subject: | Re: "ADDRESS REGISTER INDIRECT WITH INDEX" |
| {Need a "bangs head" smiley} Thanks. Not sure where I got the "+" from. Maybe a different assembler. |
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| Author: | profkelly [ Sat Dec 21, 2013 2:00 pm ] |
| Post subject: | Re: "ADDRESS REGISTER INDIRECT WITH INDEX" |
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| Author: | Obeisance [ Mon Feb 12, 2018 12:02 am ] |
| Post subject: | Re: "ADDRESS REGISTER INDIRECT WITH INDEX" |
Does EASy68k include the scaling part of the "address register indirect with index" addressing mode? as in: Code: MOVE ($0,A2,D0.L*4),D1 This "*4" allows for a shorter way of indexing an offset number of long words (or words) without explicitly writing a multiplication instruction. |
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| Author: | profkelly [ Mon Feb 12, 2018 1:59 pm ] |
| Post subject: | Re: "ADDRESS REGISTER INDIRECT WITH INDEX" |
Scaled Index address is not supported. That feature was not available until later versions of the 68K family. I think the 68020 was the first variant to support it. |
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