The way we want to use the INITBSS segment - and especially the fact that it won't have the type bss on all ROM based targets - means that the name INITBSS is misleading. After all INIT is the best name from my perspective as it serves several purposes and therefore needs a rather generic name.
Unfortunately this means that the current INIT segment needs to be renamed too. Looking for a short (ideally 4 letter) name I came up with ONCE as it contains all code (and data) accessed only once during initialization.
So far the INIT segment was run from the later heap+stack. Now the INIT segment is run from the later BSS. The background is that so far the INIT segment was pretty small (from $80 to $180 bytes). But upcoming changes will increase the INIT segment in certain scenarios up to ~ $1000 bytes. So programs with very limited heap+stack might just not been able to move the INIT segment to its run location. But moving the INIT segment to the later BSS allows it to occupy the later BSS+heap+stack.
In order to allow that the constructors are _NOT_ allowed anymore to access the BSS. Rather they must use the DATA segment or the new INITBSS segment. The latter isn't cleared at any point so the constructors may use it to expose values to the main program. However they must make sure to always write the values as they are not pre-initialized.
A description of positions [left, right] is appropriate more for C code than for Assembly code. (A description of timing [first argument, second argument] is more appropriate for the way that Assembly code is written.)
- No complex shell logic.
- "Source file shadowing" for all targets via vpath.
- Dependency handling.
- True incremental build.
- Don't write into source directories.
- Easy cleanup by just removing 'wrk'.
that call C code, we don't need to save the register bank, because the C code
will save it, when needed.
git-svn-id: svn://svn.cc65.org/cc65/trunk@5909 b7a2c559-68d2-44c3-8de9-860c34a00d81
value was checked before entering the faster 16b8 division routine.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4904 b7a2c559-68d2-44c3-8de9-860c34a00d81
more than one version of ca65 is installed on the machine (Spiro Trikaliotis).
git-svn-id: svn://svn.cc65.org/cc65/trunk@4530 b7a2c559-68d2-44c3-8de9-860c34a00d81
for 16x16=16, the unsigned routine can be used, regardless of signedness, this
is not true for 16x16=32.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4438 b7a2c559-68d2-44c3-8de9-860c34a00d81
because it's not used too much, may sometimes inlined and can easily be
replaced by another entry in leaaxsp.s
git-svn-id: svn://svn.cc65.org/cc65/trunk@4092 b7a2c559-68d2-44c3-8de9-860c34a00d81
added special cases for 8x16 and 8x8. The former is directly called by the
compiler as tosmula0 and tosumula0 resp.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4036 b7a2c559-68d2-44c3-8de9-860c34a00d81
high byte of the divisor was overwritten instead of the high byte of the
result.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3525 b7a2c559-68d2-44c3-8de9-860c34a00d81
must now return carry set if the interrupt has been handled, and carry clear
if not. The callirq routine will stop calling handlers with the first handler
that claims to have handled the interrupt. callirq will return the carry flag
to the caller as it came from the last interruptor called.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3491 b7a2c559-68d2-44c3-8de9-860c34a00d81
