> is it worth that I try again with the jdk this time ?
no, testing with the jre is fine
In fact the problem is that HelloWorld.j in jasmin 2.3 is broken, it doesn't even refer to a "Hello World" string. It is broken since version 2.0, I don't know how this slipped in.
Try with the HelloWorld.j from Jasmin 1.1, pasted below:
; --- Copyright Jonathan Meyer 1996. All...
2009-07-11 11:57:45 UTC in Jasmin - a Java assembler