EuroAssembler

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Release date: 2026 Jul 27
TimeStamp: 1785110400
File size: 7011067
File hash MD5: 4897944B138C5D544FE9B620B421292F

What's new: New features and bugs of 20251110 fixed in 20260727
Added new Intel AES instructions AESENC128KL, AESDEC128KL, AESENC256KL, AESDEC256KL, AESENCWIDE128KL, AESDECWIDE128KL ...

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For example, if I change the unaligned move VMOVDQU to the aligned VMOVDQA, I will need another pair of macros.
You won't when keyword operand is employed:

MyVMOVDQ %MACRO DestYMM, SourceAddr, A=U
vmovdq%A %DestYMM, [%SourceAddr]
ADD %SourceAddr, 32
%ENDMACRO MyVMOVDQ

You will then write ...

Table 5‑3 shows that this works with any operation, such as `OPR R, (R)+`.
Perhaps you could add similar “syntax sugar” to your assembler as well?
I'm afraid postfix/prefix autoincrement contradict with the syntax of assemblers. Plus and Minus signs are reserved for addition and subtraction.
The ...

Release date: 2025 Nov 10
TimeStamp: 1762732800
File size: 7050396
File hash MD5: 5C2C8971A440661D3087533F76E40396
What's new:
A new program option MaxErrors= which limits the number of displayed warning and error messages with severity code above 3.
New machine instructions VPOPCNTB, VPOPCNTW ...

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I managed to add the new attribute RVA# into €ASM, it will be incorporated in the next release.
Although the relative address is 64 bits wide, RVA# makes it fit to DWORD variables (32 bits),
so it is useful only for SEH in 64-bit Windows. At least your example works and writes
Hello, SEH ...

.data section is now located at 0x3000 because you added constants directly to StdOutput. As a result, they were placed in the .rodata section.
This is because of literals, which are by default being put to [.rodata]. They might be placed in [.data] if you redefine the data section:
[.data ...

Relative virtual address (RVA) can be handled by preprocessing aparatus, with %SETA OFFSET# variable + RVA_of_its_section.
Offset is refined in each assembly pass until it is fixed in the final pass. Only then the linking starts and uses the RVA.
I tried to put such RVA to the section [.pdata] and ...