cpmulator
babelfish_extensions
cpmulator | babelfish_extensions | |
---|---|---|
3 | 7 | |
13 | 263 | |
- | 2.3% | |
8.8 | 9.7 | |
6 days ago | about 11 hours ago | |
Go | TSQL | |
MIT License | Apache License 2.0 |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
cpmulator
- Show HN: A simple Golang CP/M emulator that can run Zork
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Ask HN: What rabbit hole(s) did you dive into recently?
A while back I wrote a game in assembly, for CP/M. Since I have a single-board Z80-based computer on which I can run it.
I later ported the game to the ZX Spectrum, because that was a fun challenge, and I only needed a few basic I/O operations - "write to screen", "read a line of input", etc, etc.
It occurred to me that I could reimplement the very few CP/M BIOS functions and combine those implementatiosn with a Z80 emulator to run it "natively". So I did that, then I wondered what it would take to run Zork and other games.
Slowly I've been reimplementing the necessary CP/M BDOS functions so that I can run more and more applications. I'm not going to go crazy, anything with sectors/disks is out of scope, but adding the file-based I/O functions takes me pretty far.
At the moment I've got an annoying bug where the Aztec C-compiler doesn't quite work under my emulator and I'm trying to track it down. The C-compiler produces an assembly file which is 100% identical to that produced on my real hardware, but for some reason the assembler output from compiling that file is broken - I suspect I've got something wrong with my file-based I/O, but I've not yet resolved the problem.
TLDR; writing a CP/M emulator in golang, and getting more and more software running on it - https://github.com/skx/cpmulator
babelfish_extensions
- Ask HN: What rabbit hole(s) did you dive into recently?
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Transpile Any SQL to PostgreSQL Dialect
[2] https://github.com/babelfish-for-postgresql/babelfish_extens...
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DBeaver – open-source Database client
DBeaver works surprisingly nicely with less popular DBs. I work with Babelfish for PostgreSQL [1], it supports connections with SQL Server client libs. Most GUI client tools (like SSMS) expect "real" SQL Server on the other end of the wire - depend on various system views for DB introspection, so only partially work with Babelfish. Even if client tool is based on JDBC (like SQuirell SQL), it doesn't guarantee that this tool won't use additional SQL Server-specific querues for i trospection. DBeaver is much better at this, I guess it is using JDBC API or DB-neutral INFORMATION_SCHEMA views.
[1] https://babelfishpg.org/
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'We had to educate Oracle about our contract,' CIO says after Big Red audit
Was just about to write that AWS does that, but no, it's only for MS SQL Server: https://babelfishpg.org/, https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide....
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The problem with SQL servers licensing costs
Migration to Postgres from MS SQL Server doesn't have to be a complete app rewrite. Obviously any .Net components would be a problem, but if it's just a matter of existing clients and T-SQL, there's always Babelfish.
https://babelfishpg.org/
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A Technical Dive into PostgreSQL's replication mechanisms
> moving some data from SQL Server to Postgres
I don't have any first-hand experience with Postgres replication to share, just, when moving DB from MSSQL, Babelfish extensions for Postgres (https://babelfishpg.org/) may be of interest.
- Babelfish for PostgreSQL
What are some alternatives?
realtime - Broadcast, Presence, and Postgres Changes via WebSockets