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phxass437.readme
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1997-12-06
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Short: PhxAss V4.37 68xxx Macro Assembler
Author: frank@phoenix.owl.de (Frank Wille)
Uploader: frank@phoenix.owl.de
Type: dev/asm
Replaces: dev/asm/PhxAss436*
Version: 4.37
Requires: OS2.04
PhxAss V4.37 is a highly optimizing macro assembler for Motorola's 680x0
CPUs, 6888x FPUs and 68851 MMU (of course, the 030, 040 and 060 MMUs are
also supported). It requires OS2.04 (V37) and 1 MB RAM as minimum.
Most important features:
o PhxAss is FREEWARE.
o Symbolic and Source Level Debugging. Possibility to enable Source
Level Debugging for high level languages too.
o Automatic generation of executables (if possible).
o Creates relocatable Amiga-DOS objects or absolute code (written into
a file (raw or Motorola S-Format), into memory or directly onto disk).
o Small Code and Small Data support (also support for __MERGED sections).
o Listing file, Cross Reference Listing, Equates file.
o Complete floating point support: You can use complex floating point
expressions, including float functions (sine, logarithm, square root,
power, etc.), everywhere in your source, e.g. defining float EQUates or
SETs.
o Switches for ten different optimizations.
o Locale symbols (xxx$ and .xxx type).
o Up to 36 macro parameters.
o Support for Motorola's old and new operand style (even in 68000 mode).
o locale.library usage (english, german, swedish, norwegian, italian,
danish, dutch, hungarian and french ).
o Nearly all directives of the most popular assemblers like Seka, DevPac or
AS (Aztec) are supported. Example: INCBIN, INCDIR, CODE_C, REPT, RS,
RSRESET, EQUR, REG, OFFSET, XDEF, XREF, PUBLIC, OUTPUT ...
o PhxAss is able to stay resident in memory.
You will find two different versions of PhxAss in this distribution:
1. PhxAss: The standard 680x0,FPU,MMU macro assembler.
2. GigaPhxAss: Identical to PhxAss, but source codes are not limited to
65535 lines. Quite useful for assembling huge Reassembler outputs.
CHANGES SINCE PHXASS V4.36 (last Aminet release):
Fixed Bugs:
o Optimization of CMPI.L #0,d(PC) into TST.L d(PC) generated a wrong
displacement.
o Sporadic syntax errors on floating point expressions with exponent.
o Crashes after "word at odd address" in some situations.
o \+, \- and \. didn't work in strings.
o Severe problems with the EQU directive, when assigning an address or
a distance from addresses from another section. In the first case
wrong relocation information was written to the output file and in the
second case the distance could get a wrong value. Example:
code
sym1 equ sym2
data
sym2: dc.l 0
o SHOWOPT always displayed "-56 bytes optimized" when optimizations in
macros took place.
New Features:
o By using (s)pecial optimization, unnecessary branches like
b<cc> label
label:
can be deleted.
o PhxAss is a bit more reassembler friendly now. ADD/SUB #x,Dn will no
longer be converted into ADDI/SUBI #x,Dn.
o ADDI #0 wille also be optimized to TST (like SUBI #0 and CMPI #0).
o New directive SHOWOFFSET displays the current section offset via
stdout (console).
o Source files which are completely empty, are allowed. PhxAss will
generate an an object with a code section containing 0 bytes.
o CMPA #0,An is optimized into TST An, (n)ormal optimization and
020 code generation are enabled.
o Some "68 Out of range" errors converted into "97 Immediate operand
size error".
o New directives ENDASM/ASM to comment out multiple lines of a source
text (comparable with IF 0/ENDIF).
o INITNEAR generates a single LEA base(PC),An if the small data
section is identical with the current one.
o SF is optimized into CLR.B, if (s)pecial optization is enabled.