## Index

—acall-ajmp
  3.3.6 | 8.1.16
—all-callee-saves
  3.3.4
—allow-unsafe-read
  3.3.3
—c1mode
  3.3.4
—callee-saves
  3.3.4 | 4.1.5.2
—code-loc <Value>
  3.3.5 | 3.5.1.9
—code-size <Value>
  3.3.6 | 3.5.1.9
—codeseg <Value>
  3.3.4
—compile-only
  3.3.4
—constseg <Value>
  3.3.4
—cyclomatic
  3.3.4
—data-loc <Value>
  3.3.5 | 3.5.1.9
—debug
  3.2.1 | 3.3.3 | 3.3.3 | 3.3.4 | 4.7.2.5 | 5.1.1
—disable-warning
  3.3.4
—dump-ast
  3.3.12
—dump-graphs
  3.3.12
—dump-i-code
  3.3.12
—dumpall
  7.1
—fdollars-in-identifiers
  3.3.4
—float-reent
  3.3.4
—fomit-frame-pointer
  3.3.3
—fsigned-char
  3.3.4
—i-code-in-asm
  3.3.4
—idata-loc <Value>
  3.3.5
—int-long-reent
  3.3.4 | 3.8.1.4 | 3.12
—iram-size <Value>
  3.3.6 | 3.5.1.9 | 4.1.4
—less-pedantic
  3.3.4
—lib-path <path>
  3.3.5
—max-allocs-per-node
  3.3.3
—model-huge
  3.3.6
—model-large
  3.3.6 | 3.3.11 | 3.14.2.1.2
—model-medium
  3.3.6 | 3.3.11
—model-small
  3.3.6
—more-pedantic
  3.3.4
—no-c-code-in-asm
  3.3.4
—no-gen-comments
  3.3.12
—no-peep
  3.3.3
—no-peep-comments
  3.3.4
—no-peep-return
  3.3.3
—no-ret-without-call
  3.3.6
—no-std-crt0
  4.3.1
—no-xinit-opt
  3.3.3 | 4.1.4
—nogcse
  3.3.3
—noinduction
  3.3.3
—noinvariant
  3.3.3
—nolabelopt
  3.3.3
—noloopreverse
  3.3.3
—nolospre
  3.3.3
—nooverlay
  3.3.3
—nostdinc
  3.3.4
—nostdlib
  3.3.4
—nostdlibcall
  3.3.3
—opt-code-size
  3.3.3
—opt-code-speed
  3.3.3
—out-fmt-ihx
  3.3.5
—out-fmt-s19
  3.2.1 | 3.3.5 | 3.3.5
—peep-asm
  3.3.3 | 3.11.2
—peep-file
  3.3.3 | 8.1.16
—peep-return
  3.3.3
—print-search-dirs
  2.7 | 3.3.4
—stack-auto
  3.3.4 | 3.3.7 | 3.6 | 3.8.1.4 | 3.12 | 3.15.1.2 | 3.16
—stack-loc <Value>
  3.3.5 | 3.5.1.9
—stack-size <Value>
  3.3.6
—std-c11
  1.5 | 1.5 | 3.1.4
—std-c2x
  1.5 | 1.5 | 3.1.5
—std-c89
  1.5 | 1.5 | 1.5 | 3.1.1 | 3.3.4
—std-c95
  3.1.2
—std-c99
  1.5 | 1.5 | 1.5 | 3.1.3
—std-sdcc11
  3.3.4 | 3.3.4
—std-sdcc2x
  3.3.4 | 3.3.4
—std-sdcc89
  3.3.4
—std-sdcc99
  3.3.4 | 3.3.4
—use-non-free
  1.2 | 3.3.4 | 4.6.5 | 4.7.5 | 4.7.7
—use-stdout
  3.3.4 | 3.3.13
—vc
  3.3.4 | 3.3.13
—verbose
  3.3.4
—version
  3.3.4
—Werror
  3.3.4
—xdata-loc<Value>
  3.5.1.9
—xram-loc <Value>
  3.3.5
—xram-size <Value>
  3.3.6 | 3.5.1.9
—xstack
  3.3.6 | 3.3.7 | 3.5.1.4 | 3.15.1.2
—xstack-loc <Value>
  3.3.5
-Aquestion(answer)
  3.3.2
-C
  3.3.2 | 3.3.4
-D<macro[=value]>
  3.3.2
-dD
  3.3.2
-dM
  3.3.2
-dN
  3.3.2
-E
  3.3.2 | 3.3.4
-I<path>
  3.3.2
-L <path>
  3.3.5
-M
  3.3.2
-mds390
  3.3.1
-mds400
  3.3.1
-mez80_z80
  3.3.1
-mhc08
  3.3.1
-MM
  3.3.2
-mmcs51
  3.3.1
-mpdk13
  3.3.1
-mpdk14
  3.3.1
-mpdk15
  3.3.1
-mpic14
  3.3.1
-mpic16
  3.3.1
-mr2k
  3.3.1
-mr3ka
  3.3.1
-ms08
  3.3.1
-msm83
  3.3.1
-mstm8
  3.3.1
-mtlcs90
  3.3.1
-mz180
  3.3.1
-mz80
  3.3.1
-o <path/file>
  3.3.4
-pedantic-parse-number
  3.3.2
-S
  3.3.4
-Umacro
  3.3.2
-v
  3.3.4 | 3.3.4
-Wa asmOption[,asmOption]
  3.3.4
-Wl linkOption[,linkOption]
  3.3.5
-Wp preprocessorOption[,preprocessorOption]
  3.3.2
8031, 8032, 8051, 8052, mcs51 CPU
  1.1
<file>.adb
  3.2.1 | 5.1.1
<file>.asm
  3.2.1
<file>.cdb
  3.2.1 | 5.1.1
<file>.dump*
  3.2.1
<file>.ihx
  3.2.1 | 3.2.2
<file>.lib
  3.2.4
<file>.lnk
  3.2.3
<file>.lst
  3.2.1 | 3.5.6
<file>.map
  3.2.1 | 3.5.1.9 | 3.5.6
<file>.mem
  3.2.1 | 3.5.1.9
<file>.omf
  3.2.1
<file>.rel
  3.2.1 | 3.2.3 | 3.2.4
<file>.rst
  3.2.1 | 3.5.6
<file>.sym
  3.2.1
<NO FLOAT>
  3.14.2.1.2 | Output
<stdio.h>
  3.14.2.1.1
~ Operator
  1.5 | 6.1
Absolute addressing
  no title | 3.6
ACC (mcs51, ds390 register)
  4.1.5.1
__addressmod
  3.5.5 | 3.5.5
Aligned array
  3.5.6 | 3.11.2 | 3.11.2
Annotated syntax tree
  Parsing
Any Order Bit
  no title
AOMF, AOMF51
  3.2.1 | 3.3.4 | 5. | 5.
Application notes
  6.7
__asm
  3.9.2 | 3.11.2 | 3.11.2 | 3.11.2 | 3.11.3 | 3.11.4
Assembler documentation
  3.11.2 | 6.3
Assembler listing
  3.2.1 | 3.2.1
Assembler options
  3.3.4
Assembler routines
  3.9.2 | no title | no title | 8.1.16
Assembler routines (non-reentrant)
  4.1.5.3
Assembler routines (reentrant)
  4.1.5.4
Assembler source
  3.2.1
__at
  3.5.1.7 | 3.5.1.7 | 3.5.2.2 | 3.5.6 | 3.5.6 | 3.5.6 | 3.5.6 | 3.6 | 3.11.2
atomic
  3.8.1.2 | 3.9.3 | 3.9.3
B (mcs51, ds390 register)
  4.1.5.1
backfill unused memory
  3.2.2
banked
  4.1.3.2
Bankswitching
  4.1.3
Basic blocks
  9.2
Binary constants
  no title
__bit
  1.5 | 3.3.5 | no title | 3.5.1.9 | 3.5.6 | 3.5.6 | 6.1
Bit rotation
  no title
Bit shifting
  no title
Bit toggling
  1.5
bit-fields
  3.5.1.6
block boundary
  3.5.6
Boost Software License 1.0 (BSL-1.0)
  1.2
Bug reporting
  no title
Building SDCC
  no title
Byte swapping
  8.1.10
C FAQ
  6.6
C Reference card
  6.6
Carry flag
  3.5.1.7
Changelog
  7.5
checksum
  3.2.2
cmake
  6.5
__code
  3.3.4 | 3.3.5 | no title
code banking
  4.1.3
code page (pic14)
  no title
Command Line Options
  no title
Communication
  Bug report
    no title
  Feature request
    no title
  Forums
    6.4
  Mailing lists
    6.4 | 7.4
  Monitor
    6.4
  Patch submission
    no title
  RSS feed
    6.4
  Trackers
    6.4
  wiki
    6.4
Compatibility with previous versions
  no title
Compiler internals
  no title
compiler.h (include file)
  3.5.1.7 | 6.1
const
  3.3.4
Copy propagation
  no title
cpp
  see sdcpp | see sdcpp
__critical
  3.9.1 | 3.9.1
Cyclomatic complexity
  3.3.4 | no title
d52
  6.5
d52 (disassembler)
  6.5
__data (hc08 named address space)
  no title
__data (mcs51, ds390 named address space)
  3.3.5 | no title | 3.5.1.9
DDD (debugger)
  5.1.6 | 6.5
Dead-code elimination
  no title | ICode
Debugger
  3.2.1 | 5.1
#defines
  3.17
Defines created by the compiler
  3.17
DESTDIR
  2.2
Division
  3.7
Documentation
  no title | no title
double (not supported)
  3.1.1
download
  7. | 7.1
doxygen (source documentation tool)
  6.5
DPTR
  4.1.2 | 4.1.5.1 | 8.1.10
DPTR, DPH, DPL
  4.1.5.1 | 4.1.5.3
DS390
  no title
  Options
    —model-flat24
      3.3.7
    —protect-sp-update
      3.3.7
    —stack-10bit
      3.3.7
    —stack-probe
      3.3.7
    —tini-libid
      3.3.7
    —use-accelerator
      3.3.7
DS390 memory model
  no title
DS400
  4.2
DS80C390
  3.3.1
DS80C400
  3.3.1 | 4.2 | 6.7
DS89C4x0
  6.7
dynamic memory allocation (malloc)
  3.14.2.2
ELF format
  3.3.5
Emacs
  no title
__endasm
  3.9.2 | 3.11.2 | 3.11.2 | 3.11.2 | 3.11.3 | 3.11.4 | 3.11.4
Endianness
  6.1 | 8.1.10
Environment variables
  no title
Examples
  7.8 | no title
External stack (mcs51)
  no title
__far (named address space)
  no title | 3.11.2
Feature request
  no title
Flags
  3.5.1.7
Flat 24 (DS390 memory model)
  3.15.2
Floating point support
  3.1.1 | 3.8.1.4 | no title | 3.14.2.1.2 | 3.14.2.1.2
FPGA (field programmable gate array)
  2.6
FpgaC ((subset of) C to FPGA compiler)
  2.6
function epilogue
  3.3.4 | 3.11.3
function parameter
  no title | 3.6 | 4.1.5.3 | 4.1.5.4
function pointer
  3.5.1.8
function pointers
  4.1.5.1
function prologue
  3.3.4 | 3.11.3 | 3.16
GBZ80
  Options
    -ba <Num>
      3.3.10
    -bo <Num>
      3.3.10
gcc (GNU Compiler Collection)
  3.3.2
gdb
  5.1
generic pointer
  4.1.5.1
getchar()
  3.14.2.1.1
GPLv2 license
  1.2
GPLv2+LE
  1.2 | 3.14.4
GPLv3 license
  1.2
gpsim (pic simulator)
  6.5
gputils (pic tools)
  4.6.5 | 6.5
HC08
  3.3.1 | 3.3.5 | 3.5.3.1 | no title | 4.4 | 4.4.1
  interrupt
    3.8.3 | 3.9.2
  Options
    —out-fmt-elf
      3.3.5
HD64180 (see Z180)
  no title
Header files
  3.5.1.7 | 6.1 | 6.2
heap (malloc)
  3.14.2.2
Higher Order Byte
  no title
Higher Order Word
  no title
I/O memory (Z80, Z180)
  3.5.2.1
ICE (in circuit emulator)
  5.
iCode
  3.3.12 | no title | Code | Code | no title
__idata (mcs51, ds390 named address space)
  3.3.5 | no title | 3.5.1.9
IDE
  3.3.4 | 6.7
Include files
  3.5.1.7 | 6.1 | 6.2
indent (source formatting tool)
  6.5
Infineon
  3.3.6
Install paths
  no title
Install trouble-shooting
  no title
Installation
  no title
instruction cycles (count)
  6.5
Intel hex format
  3.2.1 | no title | 3.3.5 | 5.1.3
Intermediate dump options
  no title
__interrupt
  3.5.1.9 | 3.5.1.9 | 3.7 | 3.8.1 | 3.8.1 | 3.8.2 | 3.8.7 | 3.9.1 | 3.9.2 | 3.9.3 | 3.10 | 3.11.2 | 3.11.3 | 3.11.3 | 3.12 | 3.16 | 3.16
interrupt jitter
  3.9.2
interrupt latency
  3.9.2
interrupt mask
  3.9.2
interrupt priority
  3.9.2 | 3.10
interrupt vector table
  3.3.5 | 3.8.1 | 3.8.2 | 3.16
interrupts
  3.10
intrinsic named address space
  3.7 | 3.15.1.1
jump tables
  8.1.7
K&R style
  3.1.1
Labels
  3.11.4
LGPLv2.1 license
  1.2
Libraries
  no title | 3.3.4 | 3.3.5 | 3.5.1.8 | no title | 3.14.4
Linker
  3.2.3
Linker documentation
  6.3
Linker options
  no title
lint (syntax checking tool)
  3.3.4 | 5.
little-endian
  8.1.10
Live range analysis
  8.3 | no title | ICode
local variables
  no title | 3.6 | 3.7 | 3.15.1.2 | 6.
lock
  3.9.3
Loop optimization
  no title | ICode
Loop reversing
  3.3.3 | no title
mailing list
  6.4
Mailing list(s)
  7. | 7.4
Makefile
  6.5
malloc.h
  no title
MCS51
  3.3.1
MCS51 memory
  no title
MCS51 memory model
  no title
MCS51 options
  no title
MCS51 variants
  no title | 8.1.16
Memory bank (pic14)
  no title
Memory map
  3.2.1 | 6.1
Memory model
  3.5.1.8 | 3.7 | no title | no title | no title
Microchip
  4.6 | 4.7
Motorola S19 format
  3.2.1 | 3.3.5
MSVC output style
  3.3.4
msys
  2.4.5
msys2
  2.4.5
Multiplication
  3.7 | 8.1.4 | ICode
__naked
  3.11.3 | 3.11.3 | 3.16 | 3.16 | 4.1.5.2
Naked functions
  no title
__near (named address space)
  no title
Nibble swapping
  8.1.10
Non-intrinsic named address spaces
  no title
objdump (tool)
  3.2.1 | 6.5
Object file
  3.2.1
Optimization options
  no title
Optimizations
  no title | no title
Options assembler
  3.3.4
Options DS390
  no title
Options GBZ80
  no title
Options intermediate dump
  no title
Options linker
  no title
Options MCS51
  no title
Options optimization
  no title
Options other
  no title
Options PIC16
  no title
Options preprocessor
  no title
Options processor selection
  no title
Options SDCC configuration
  no title
Options STM8
  no title
Options Z80
  no title
Oscilloscope
  5.
Overlaying
  no title
P2 (mcs51 sfr)
  3.5.1.4 | 3.15.1.2 | 4.1.1
packihx (tool)
  3.2.2 | 6.2
Parameter passing
  no title
Parameters
  no title
Parsing
  no title
Patch submission
  7. | 7.3 | 7.8
__pdata (mcs51, ds390 named address space)
  3.3.5 | 3.3.6 | no title | 3.15.1.2 | 4.1.1
PDF version of this document
  2.6
pedantic
  3.3.2 | 3.3.4 | 3.3.4 | 3.16 | 3.16
Peephole optimizer
  3.3.3 | 3.11.2 | no title
PIC
  4.7
PIC14
  3.3.1 | no title | 4.6 | 4.6.8.5
  Environment variables
    SDCC_PIC14_SPLIT_LOCALS
      4.6.7
  interrupt
    4.6.3
  Options
    —debug-extra
      4.6.6
    —no-pcode-opt
      4.6.6
    —stack-loc
      4.6.6
    —stack-size
      4.6.6
    —use-non-free
      4.6.6
PIC16
  3.3.1 | no title | 4.7.4 | 4.7.5 | 4.7.6 | 4.7.8 | 4.7.9 | 4.7.13 | 4.7.15 | 6.3
  Defines
    __pic18fxxxx
      4.7.4 | 4.7.4
    STACK_MODEL_nnn
      4.7.4
  Environment variables
    NO_REG_OPT
      4.7.3
    OPTIMIZE_BITFIELD_POINTER_GET
      4.7.3
  Header files
    4.7.8
  interrupt
    4.7.15
  Libraries
    4.7.9
  MPLAB
    4.7.2.3
  Options
    —callee-saves
      4.7.1
    —use-non-free
      4.7.1
  Pragmas
    #pragma code
      4.7.6
    #pragma config
      4.7.6
    #pragma library
      4.7.6
    #pragma stack
      4.7.6
    #pragma udata
      4.7.6
  shadowregs
    4.7.13
  stack
    4.7.12 | 4.7.19.1
  wparam
    4.7.13
Pointer
  no title | 3.5.1.8
#pragma callee_saves
  3.3.4 | 3.16 | 3.16
#pragma codeseg
  3.16
#pragma constseg
  3.16
#pragma disable_warning
  3.16
#pragma exclude
  3.11.3 | 3.16 | 3.16
#pragma less_pedantic
  3.16
#pragma nogcse
  3.3.3 | 3.16 | 3.16
#pragma noinduction
  3.3.3 | 3.16 | 3.16 | 8.1.4
#pragma noinvariant
  3.3.3 | 3.16
#pragma noiv
  3.16
#pragma noloopreverse
  3.16
#pragma nooverlay
  3.7 | 3.7 | 3.8.1.4 | 3.16
#pragma opt_code_balanced
  3.16
#pragma opt_code_size
  3.16
#pragma opt_code_speed
  3.16
#pragma pedantic_parse_number
  3.16 | 3.16
#pragma preproc_asm
  3.16 | 3.16
#pragma restore
  3.16 | 3.16
#pragma save
  3.16 | 3.16
#pragma sdcc_hash
  3.16 | 3.16
#pragma stackauto
  3.6 | 3.16
#pragma std_c89
  3.16
#pragma std_c99
  3.16
#pragma std_sdcc89
  3.16
#pragma std_sdcc99
  3.16
Pragmas
  no title
Preprocessor
  no title | 3.3.4 | 3.16
  Options
    no title
  PIC16 Macros
    no title
printf()
  3.14.2.1.2 | 3.14.2.1.2
  floating point support
    3.14.2.1.2
  parameters
    6.1
  PIC16
    4.7.18.2
  PIC16 Floating point support
    Building | Output
  printf_fast() (mcs51)
    3.14.2.1.2
  printf_fast_f() (mcs51)
    3.14.2.1.2
  printf_small()
    3.14.2.1.2
  printf_tiny() (mcs51)
    3.14.2.1.2
  putchar()
    3.14.2.1.1 | 6.1
Processor selection options
  no title
project workspace
  6.5
promotion to signed int
  3.11.2 | 3.11.2 | 6.
push/pop
  3.11.2 | 3.11.3 | 3.16 | 3.16
putchar()
  3.14.2.1.1
Quality control
  no title
reentrant
  3.3.4 | 3.3.4 | 3.6 | 3.6 | 3.7 | 3.12 | 3.15.1.1 | 4.1.5.3 | 4.1.5.4
Register allocation
  8.1.4 | no title | ICode
register bank (mcs51, ds390)
  3.5.1.9 | 3.6 | 3.10
Register-Allocation
  no title
Regression test
  6.3 | 7.8 | 7.10
Regression test (PIC14)
  7.8
Regression test (PIC16)
  4.7.20.2
Related tools
  no title
Release policy
  no title
Reporting bugs
  no title
Requesting features
  no title
return value
  3.1.1 | 4.1.5.1
rotating bits
  8.1.9
RSS feed
  6.4
Runtime library
  4.1.4 | 4.1.4
S08
  3.3.1
s51 (simulator)
  2.9.4 | 2.9.5
__sbit
  1.5 | no title
sdar
  no title
sdas (sdasgb, sdas6808, sdas8051, sdasz80)
  1.1 | 3.11.2 | 6.3
SDCC
  Defines
    __SDCC (version macro)
      3.17
    __SDCC_ds390
      3.17
    __SDCC_mcs51
      3.17
    __SDCC_pic16
      4.7.4
    __SDCC_z80
      3.17
    SDCC_ALL_CALLEE_SAVES
      3.17
    SDCCCALL
      3.17
    SDCC_FLOAT_REENT
      3.17
    SDCC_INT_LONG_REENT
      3.17
    SDCC_MODEL_FLAT24 (ds390)
      3.17
    SDCC_MODEL_LARGE
      3.17 | 3.17
    SDCC_MODEL_MEDIUM
      3.17
    SDCC_MODEL_SMALL
      3.17
    SDCC_OPTIMIZE_SIZE
      3.17
    SDCC_OPTIMIZE_SPEED
      3.17
    SDCC_PARMS_IN_BANK1
      3.17
    SDCC_REVISION (svn revision number)
      3.17
    SDCC_STACK_AUTO
      3.17
    SDCC_STACK_TENBIT (ds390)
      3.17
    SDCC_USE_XSTACK
      3.17
  Environment variables
    NO_REG_OPT
      4.7.3
    OPTIMIZE_BITFIELD_POINTER_GET (PIC16)
      4.7.3
    SDCC_HOME
      3.4
    SDCC_INCLUDE
      3.4
    SDCC_LEAVE_SIGNALS
      3.4
    SDCC_LIB
      3.4
    SDCC_PIC14_SPLIT_LOCALS
      4.6.7
    TMP, TEMP, TMPDIR
      3.4
    undocumented
      3.4
SDCC Wiki
  7.7
_sdcc_external_startup()
  4.1.4
SDCDB (debugger)
  2.9.5 | no title | 6.3 | 6.5
sdcpp (preprocessor)
  2.9.2 | no title | 3.3.2 | 3.16
sdld
  1.1 | 6.3
Search path
  no title
semaphore
  no title
__sfr
  no title | no title | no title | no title | no title | 4.1.1
__sfr16
  no title | no title
__sfr32
  no title
shc08 (simulator)
  2.9.4
signal handler
  3.4
sloc (spill location)
  3.3.3
SM83
  no title
sm83 (GameBoy Z80)
  3.3.1 | 4.3
splint (syntax checking tool)
  3.3.4 | 5. | 6.5
srecord (bin, hex, ... tool)
  3.2.1 | 3.2.1 | 3.2.2 | 3.3.5 | 6.5
sstm8 (simulator)
  2.9.4
stack
  3.3.4 | 3.5.1.3 | 3.5.1.9 | 3.6 | 3.6 | 3.8.1.3 | 3.8.2 | 3.9.1 | 3.9.2 | no title | 8.1.4
stack overflow
  3.8.1.3
Standard-compliance
  1.5 | no title
static
  3.6
Status of documentation
  1.1 | 2.6
STM8
  1.1
STM8 memory models
  no title
STM8 options
  no title
Strength reduction
  8.1.4 | ICode
struct
  3.1.1
Subexpression
  8.1.6
Subexpression elimination
  3.3.3 | no title
Subversion code repository
  7. | 7.6
Support
  no title
swapping nibbles/bytes
  8.1.10
switch statement
  no title
Symbol listing
  3.2.1
sz80 (simulator)
  2.9.4
tabulator spacing (8 columns)
  2.4.4
Tinibios (DS390)
  3.15.2
Tools
  no title
Trademarks
  10.
type conversion
  1.5
type promotion
  1.5 | 3.8.1.4 | 3.11.2 | 3.11.2 | 6.
Typographic conventions
  no title
uCsim
  6.2 | 6.3
union
  3.1.1
UnxUtils
  2.4.5
USE_FLOATS
  3.14.2.1.2
__using (mcs51, ds390 register bank)
  3.5.1.9 | 3.8.1 | 3.8.2 | 3.8.2 | 3.10 | 3.10
vararg, va_arg
  1.5 | 1.5 | 6.1
Variable initialization
  3.3.3 | 3.5.6 | 4.1.4
version
  2.7 | 7.5
version macro
  3.17
volatile
  3.5.6 | 3.5.6 | 3.8.1.1 | 3.9.3 | 3.11.3 | 6.1
VPATH
  no title
Warnings
  3.3.4
watchdog
  4.1.4 | 6.1
wiki
  6.4 | 7.7 | 8.3
__xdata (hc08 named address space)
  no title
__xdata (mcs51, ds390 named address space
  4.1.4
__xdata (mcs51, ds390 named address space)
  3.3.5 | no title | 3.5.1.9 | 3.5.6
XEmacs
  no title
_XPAGE (mcs51)
  4.1.1
xstack
  3.3.5
Z180
  3.3.1 | no title
  I/O memory
    3.5.2.1
  Options
    —portmode
      3.5.2.3
  Pragmas
    #pragma portmode
      3.5.2.3
Z80
  3.3.1 | no title | 3.5.2.1 | 3.8.4 | 4.3 | 4.3.1
  I/O memory
    3.5.2.1
  interrupt
    3.8.4
  Options
    —asm=<Value>
      3.3.9
    —callee-saves-bc
      3.3.8
    —codeseg <Value>
      3.3.8
    —constseg <Value>
      3.3.8
    —fno-omit-frame-pointer
      3.3.9
    —no-std-crt0
      3.3.8
    —portmode=<Value>
      3.3.9
    —reserve-regs-iy
      3.3.9
Z80, Z180, SM83, Rabbit 2000/3000, Rabbit 3000A CPU
  1.1
zlib/libpng License
  1.2