| --- | Log | opened Fri Jan 07 00:00:18 2022 |
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| 00:24 | <Gustavo6046> | ah |
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| 08:03 | <TrueBrain> | w00p, a basic flow is working from RPN to NewGRF .. now to clean this stuff up and add functionality :P |
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| 08:07 | <@peter1138> | Okay, brain is failing. |
| 08:07 | <TrueBrain> | AM NOT |
| 08:07 | <TrueBrain> | :P |
| 08:12 | <@peter1138> | Trying to work out what percentage to add on a value to get a given margin. i.e. add 25% for a 20% margin |
| 08:17 | <TrueBrain> | math hard, yes :P |
| 08:18 | <TrueBrain> | Read past end of pseudo-sprite |
| 08:18 | <TrueBrain> | hmm |
| 08:18 | <TrueBrain> | that also sounds like a fail :) |
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| 08:20 | <+glx> | sounds like wrong sprite length |
| 08:22 | <TrueBrain> | that is really unlikely, given that is all auto-calculated :) |
| 08:22 | <TrueBrain> | I mostly get this error when I byte-encode the payload wrong |
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| 08:26 | <TrueBrain> | synthing advanced varaction2 is tricky, as it wants to know the last entry in the chain (the 0x20 flag) .. and fields are not of a prefixed length .. hmmmmmm |
| 08:31 | <TrueBrain> | well, I don't ever use div or modulo, so I guess I can cheat my way in :) |
| 08:44 | <+glx> | yeah fields depend on flags |
| 08:45 | <TrueBrain> | right, next issue ... NewGRF is nothing like an AST or an RPN .. how do a synth a complex rhs ... eeeuuuuuhhhhhhh |
| 08:46 | <TrueBrain> | guess I need a temporary register for that |
| 08:46 | <+glx> | one or more temporary registers yes |
| 08:47 | <+glx> | mixed with operands reordering |
| 08:48 | <+glx> | like a + (b * c) is easier to write in nfo as (b * c) + a |
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| 08:49 | <TrueBrain> | RPN remember; I don't have that issue :P |
| 08:50 | <+glx> | yeah you can translate the stack with temp registers |
| 08:52 | <Eddi|zuHause> | is that really easier to write? |
| 08:52 | <+glx> | advanced varact2 would be nice with some push/pop operators |
| 08:52 | <TrueBrain> | or nesting |
| 08:52 | <TrueBrain> | but it is fine |
| 08:53 | <TrueBrain> | it is just the order of generation, it is not that big of a deal |
| 08:53 | <TrueBrain> | just need to assign a register to it :) |
| 08:54 | <@peter1138> | Well, I still can't work it out :p |
| 08:54 | <Eddi|zuHause> | you can have virtual push/pop operations and in a second pass replace them with explicit registers |
| 08:55 | <@peter1138> | Is it turing complete yet? |
| 08:55 | <Eddi|zuHause> | there's no loops in NFO |
| 08:55 | <@peter1138> | Yet. |
| 08:56 | <@peter1138> | (Ever.) |
| 09:03 | <+glx> | in theory NML could do loops (with unfolding) |
| 09:03 | <TrueBrain> | so only against constants ;) |
| 09:04 | <TrueBrain> | that still won't make you turing complete :) |
| 09:04 | <+glx> | it can work with variables too, but very expensive depending on variable size :) |
| 09:06 | <TrueBrain> | hmm, calculating stack-depth is surprisingly difficult |
| 09:14 | <TrueBrain> | right, now to add code to actually read a register :D |
| 09:14 | <TrueBrain> | might be important .. might not :P |
| 09:29 | <+glx> | var7D for constant index, var7B for dynamic index |
| 09:29 | <TrueBrain> | 7C, but I can read the specs, yes :) |
| 09:30 | <TrueBrain> | (at least, I need 7C atm :P) |
| 09:30 | <TrueBrain> | but I had no infra for parameters yet |
| 09:30 | <TrueBrain> | hope it is working as I read the specs .. that is always fingers crossed |
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| 09:34 | <TrueBrain> | meh, I really have to make a new chain for every complex right hand side, don't I? Meh :P |
| 09:35 | <TrueBrain> | was hoping I could keep on chaining advanced varaction2 |
| 09:35 | <TrueBrain> | but there is no noop operator |
| 09:35 | <TrueBrain> | that is just sad :P New chains take so many bytes ... as they need a switch-case :) |
| 09:36 | <+glx> | you can put everything in the same varact2 |
| 09:36 | <TrueBrain> | how? As I said, there is no "noop" operator |
| 09:37 | <TrueBrain> | I can't make a new head mid-chain |
| 09:37 | <TrueBrain> | yeah, "& 0" |
| 09:37 | <+glx> | you have \2rst |
| 09:38 | <TrueBrain> | ah, tnx, that is what I was looking for. That is kinda hiding :P |
| 09:39 | <+glx> | only scope change needs a new varact2, but I think temp regs can help here too |
| 09:39 | <supermop_Home> | good morning |
| 09:40 | <+glx> | like fill regs with related scope values then chain to self scope varact2 and use regs there |
| 09:44 | <andythenorth> | peter1138 you want a 20% margin on the final price? :P |
| 09:45 | <andythenorth> | so COGS is 80%? |
| 09:46 | <andythenorth> | is it not just multiply COGS by 5/4? |
| 09:46 | <TrueBrain> | how does "grfcodec -d" works :P |
| 09:46 | <andythenorth> | yes |
| 09:47 | <TrueBrain> | with a lot of effort |
| 09:47 | <TrueBrain> | is the correct answer |
| 09:48 | <TrueBrain> | 02 0A 00 89 A8 20 FF 00 00 00 \2* "}ÿ ÿÿÿÿ" \2sto 1A 00 FE 00 00 00 01 00 00 00 00 00 00 "ÿÿÿÿý" 00 |
| 09:48 | <TrueBrain> | euuh ... what a weird characters :P |
| 09:48 | <TrueBrain> | 02 0A 00 89 A8 20 FF 00 00 00 \2* 7D FF 20 FF FF FF FF \2sto 1A 00 FE 00 00 00 01 00 00 00 00 00 00 FF FF FF FF FD 00 |
| 09:48 | <TrueBrain> | lot better |
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| 09:58 | <TrueBrain> | result:outputs ctt:COAL [] industry:colour industry:colour * industry:colour industry:colour * + = |
| 09:58 | <TrueBrain> | gives another result than |
| 09:58 | <TrueBrain> | result:outputs ctt:COAL [] industry:colour industry:colour industry:colour industry:colour * * + = |
| 09:58 | <TrueBrain> | think I am doing something wrong still :D |
| 09:59 | <TrueBrain> | owh, no, it should |
| 09:59 | <TrueBrain> | duh |
| 09:59 | <TrueBrain> | lol |
| 10:00 | <TrueBrain> | yippie, means this kinda work :) Still need depth-detection, but we can revisit that later :) |
| 10:02 | <TrueBrain> | result:outputs ctt:COAL [] 12 industry:colour * industry:colour 12 * + = |
| 10:02 | <TrueBrain> | works too |
| 10:02 | <TrueBrain> | what is funny now, that depending on the order of your instructions, things can generate more or less efficient :) |
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| 12:07 | <supermop_Home> | how do i indicate a grf is meant to be static in nml? |
| 12:08 | <frosch123> | in the readme |
| 12:09 | <frosch123> | only humans know what "static newgrf" are |
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| 12:13 | <supermop_Home> | can a static newgrf have parameters? |
| 12:15 | <frosch123> | i guess there is no gui to set them, but they should work in openttd.cfg |
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| 12:45 | <@DorpsGek> | [OpenTTD/team] srekoslav opened issue #284: [hr_HR] Translator access request https://git.io/J9Y53 |
| 12:57 | <+glx> | oh we are in the latest GOG email I received |
| 12:58 | <frosch123> | what? new year's sale? |
| 12:58 | <+glx> | more than 30 free games |
| 12:59 | <+glx> | and they show 4 of them in the newletter, cave's story secret santa, symphonia, samorost 1 and openttd |
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| 13:26 | <TrueBrain> | Cool :) |
| 13:53 | <@peter1138> | Oh of course, rain tomorrow. |
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| 15:12 | <andythenorth> | frosch rage quit early today |
| 15:15 | <TrueBrain> | :( |
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| 16:21 | <@peter1138> | Wut |
| 16:21 | <@peter1138> | Balls, missed Discovery due to video call :( |
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| --- | Log | closed Sat Jan 08 00:00:20 2022 |