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* nasm: Error out when using WRAM when not availableMiquel Sabaté Solà2025-08-281-0/+1
| | | | | | | | | | This commit introduces the ability to inspect the temptative header before producing the actual output, and with that it checks whether the Working RAM is being advertised or not. If it is not being advertised but the assembler detected memory accesses to that region, then we are in trouble and we should error out. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Remove the dependency on clapMiquel Sabaté Solà2025-01-221-1/+0
| | | | | | | | | | | | | | | All three binaries (i.e. readrom, nasm and xa65) used it, and to be honest rolling our own argument parsing was actually pretty easy to achieve. This frees us from a big dependency and it also frees us from inner dependencies such as 'clap_derive' which prevented us from being able to build binaries purely statically. As a side effect, we can now display help/version messages which are more like I'm used to, and certain checks can be moved in the parsing directly instead of having to be done later. As a cherry on top, there is some type masturbation that gets removed along the way. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Remove anyhow from xa65 and readromMiquel Sabaté Solà2025-01-101-1/+0
| | | | | | | | Following in the footsteps of c20c991dded8 ("Make errors from nasm itself more cohesive"), 'anyhow' might provide an easy framework, but it lends towards a less cohesive experience. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Don't rely on the identifier for control identityMiquel Sabaté Solà2024-12-121-2/+2
| | | | | | | | | Instead, use a new enum type to identify the control statements that we actually support. This way the assembler is more easily aware on the control that it's dealing with, and can be more sure on certain aspects of the implementation on control support. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Add the notion of mappingMiquel Sabaté Solà2024-12-121-0/+1
| | | | | | | Mappings and segments are fundamental blocks on how code is distributed both on the actual ROM File and in the memory layout. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>
* Initial commitMiquel Sabaté Solà2024-12-121-0/+9
A lot is missing and there is a long road ahead to make the assembler even work. Signed-off-by: Miquel Sabaté Solà <mikisabate@gmail.com>