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dnl # change the comments to match the assembler. Prevents/reduces
dnl # confusion.
changecom(;)dnl
dnl # I'm using these, in this direction, specifically to confuse Germans.
changequote(`«', `»')dnl
dnl #
dnl # OPCODE takes up to five arguments:
dnl # 1. Instruction opcode
dnl # 2. 68k code
dnl # 3. Tstates for the native instruction
dnl # 4. Cycles the emulator takes
dnl # 5. Bytes of emulator code for this instruction
dnl #
define(«OPCODE»,« START
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_DD»,« START_DD
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_dd»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_CB»,« START_CB
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_cb»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_DDCB»,« START_DDCB
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_ddcb»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_FD»,« START_FD
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_fd»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_FDCB»,« START_FDCB
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_fdcb»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«OP_ED»,« START_ED
dnl # This little bit of trickery lets me define a local label.
dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
dnl # end_10, and is undefined everywhere else.
define(«local»,$«»1_««$1»»)dnl
«emu_op_ed»$1«:»
$2
TIME $3 ifelse(«,$4», «,», «», «,$4»)
undefine(«label»)dnl
DONE»)dnl
dnl
define(«INT_OFFSET», 4)dnl
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