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-o <file> – Output filename, without extension. Extension will be added automatically, .prg for Commodore, .a2 for Apple and .xex for Atari.
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-s – Generate also the assembly output. It is not compatible with any assembler, but it serves purely informational purpose. The file has the same nam as the output file and the extension is .asm.
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-g – Generate also the label file. The label file contains labels with their addresses, with duplicates removed. It can be loaded into the monitor of the Vice emulator for debugging purposes. The file has the same nam as the output file and the extension is .lbl.
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-I <dir>;<dir> – The include directories. The current working directory is also an include directory. Those directories are searched for modules and platform definitions.
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-t <platform> – Target platform. It is loaded from an .ini file found in any of the include directories. See also this document.
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-r <program> – Run given program after successful compilation. Useful for automatically launching emulators without any external scripting.
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-fcmos-ops, -fno-cmos-ops – Whether should emit CMOS opcodes.
.ini equivalent: emit_cmos.
Default: yes if targeting a 65C02-compatible architecture, no otherwise.
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-fillegals, -fno-illegals – Whether should emit illegal (undocumented) NMOS opcodes.
.ini equivalent: emit_illegals.
Default: no.
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-f65ce02-ops, -fno-65ce02-ops – Whether should emit 65CE02 opcodes.
.ini equivalent: emit_65ce026.
Default: yes if targeting 65CE02, no otherwise.
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-fhuc6280-ops, -fno-huc6280-ops – Whether should emit HuC6280 opcodes.
.ini equivalent: emit_huc6280.
Default: yes if targeting HuC6280, no otherwise.
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-fno-65816-ops, -femulation-65816-ops, -fnative-65816-ops – Which subset of 65816 instructions to support.
-fnative-65816-ops is required to use any 16-bit operations.
Currently, there is not much support in the compiler for the native mode.
.ini equivalent: emit_65816.
Default: native if targeting 65816, no otherwise.
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-fjmp-fix, -fno-jmp-fix – Whether should prevent indirect JMP bug on page boundary.
.ini equivalent: prevent_jmp_indirect_bug.
Default: no if targeting a 65C02-compatible architecture, yes otherwise.
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-fzp-register, -fno-zp-register – Whether should reserve 2 bytes of zero page as a pseudoregister.
Increases language features.
.ini equivalent: zeropage_register.
Default: yes.
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-fdecimal-mode, -fno-decimal-mode – Whether decimal mode should be available.
.ini equivalent: decimal_mode.
Default: no if targeting Ricoh, yes otherwise.
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-fvariable-overlap, -fno-variable-overlap – Whether variables should overlap if their scopes do not intersect.
Default: yes.
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-fbounds-checking, -fnobounds-checking – Whether should insert bounds checking on array access.
Default: no.
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-fcompact-dispatch-params, -fnocompact-dispatch-params –
Whether parameter values in return dispatch statements may overlap other objects.
This may cause problems if the parameter table is stored next to a hardware register that has side effects when reading.
.ini equivalent: compact_dispatch_params. Default: yes.
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-O0 – Disable all optimizations.
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-O, -O2, -O3 – Optimize code, various levels.
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-O9 – Optimize code using superoptimizer (experimental). Computationally expensive, decent results.
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--inline – Inline functions automatically (experimental). See the documentation about inlining. Computationally easy, can give decent gains.
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--size – Optimize for size, sacrificing some speed (experimental).
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--fast – Optimize for speed, even if it increases the size a bit (experimental).
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--blast-processing – Optimize for speed, even if it increases the size a lot (experimental).
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--dangerous-optimizations – Use dangerous optimizations (experimental). Dangerous optimizations are more likely to result in broken code.
