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tables.lisp
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(in-package :z80)
(defclass instruction-table ()
((prefixed-p :initarg :prefixed-p :accessor prefixed-p :initform nil)
(name :initarg :name :accessor name)
(instructions :initarg :instructions
:accessor instructions
:initform (error "An instruction set is required for an instruction table"))))
(defmethod print-object ((it instruction-table) out)
(format out "#<INSTRUCTION-TABLE {~A:~A}>" (name it) (prefixed-p it)))
(defmethod next-instruction ((it instruction-table) opcode)
(elt (instructions it) opcode))
(defmethod instruction-size ((it instruction-table) opcode)
(if (prefixed-p it)
(1- (size opcode))
(size opcode)))
(defparameter unprefixed-table
(make-instance 'instruction-table
:prefixed-p nil
:name :base
:instructions
(make-array 256 :initial-contents
(list
nop
ld-rr-nn
ld-indirect-bc-a
inc-rr
inc-r
dec-r
ld-r-n
rlca
ex-af-af%
add-hl-rr
ld-a-indirect-bc
dec-rr
inc-r
dec-r
ld-r-n
rrca
djnz-d
ld-rr-nn
ld-indirect-de-a
inc-rr
inc-r
dec-r
ld-r-n
rla
jr-d
add-hl-rr
ld-a-indirect-de
dec-rr
inc-r
dec-r
ld-r-n
rra
jr-cc-d
ld-rr-nn
ld-indirect-nn-hl
inc-rr
inc-r
dec-r
ld-r-n
daa
jr-cc-d
add-hl-rr
ld-hl-indirect-nn
dec-rr
inc-r
dec-r
ld-r-n
cpl
jr-cc-d
ld-rr-nn
ld-indirect-nn-a
inc-rr
inc-indirect-hl
dec-indirect-hl
ld-indirect-hl-n
scf
jr-cc-d
add-hl-rr
ld-a-indirect-nn
dec-rr
inc-r
dec-r
ld-r-n
ccf
nop
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-indirect-hl
ld-r-r
ld-r-r
nop
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-indirect-hl
ld-r-r
ld-r-r
ld-r-r
nop
ld-r-r
ld-r-r
ld-r-r
ld-r-indirect-hl
ld-r-r
ld-r-r
ld-r-r
ld-r-r
nop
ld-r-r
ld-r-r
ld-r-indirect-hl
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
nop
ld-r-r
ld-r-indirect-hl
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
nop
ld-r-indirect-hl
ld-r-r
ld-indirect-hl-r
ld-indirect-hl-r
ld-indirect-hl-r
ld-indirect-hl-r
ld-indirect-hl-r
ld-indirect-hl-r
halt
ld-indirect-hl-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-r
ld-r-indirect-hl
nop
add-r
add-r
add-r
add-r
add-r
add-r
add-r
add-r
adc-r
adc-r
adc-r
adc-r
adc-r
adc-r
adc-r
adc-r
sub-r
sub-r
sub-r
sub-r
sub-r
sub-r
sub-r
sub-r
sbc-r
sbc-r
sbc-r
sbc-r
sbc-r
sbc-r
sbc-r
sbc-r
and-r
and-r
and-r
and-r
and-r
and-r
and-r
and-r
xor-r
xor-r
xor-r
xor-r
xor-r
xor-r
xor-r
xor-r
or-r
or-r
or-r
or-r
or-r
or-r
or-r
or-r
cp-r
cp-r
cp-r
cp-r
cp-r
cp-r
cp-r
cp-r
ret-cc
pop-register
jp-cc-nn
jp-nn
call-cc-nn
push-register
add-n
rst-p
ret-cc
ret
jp-cc-nn
cb-prefix
call-cc-nn
call-nn
adc-n
rst-p
ret-cc
pop-register
jp-cc-nn
out-n-a
call-cc-nn
push-register
sub-n
rst-p
ret-cc
exx
jp-cc-nn
in-a-n
call-cc-nn
dd-prefix
sbc-n
rst-p
ret-cc
pop-register
jp-cc-nn
ex-indirect-sp-hl
call-cc-nn
push-register
and-n
rst-p
ret-cc
jp-hl
jp-cc-nn
ex-de-hl
call-cc-nn
ed-prefix
xor-n
rst-p
ret-cc
pop-register
jp-cc-nn
di
call-cc-nn
push-register
or-n
rst-p
ret-cc
ld-sp-hl
jp-cc-nn
ei
call-cc-nn
fd-prefix
cp-n
rst-p
))))
(defparameter ed-prefix-table
(make-instance 'instruction-table
:prefixed-p t
:name :ed
:instructions
(make-array 256 :initial-contents
;; unfuck this
(list ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined in-r-c out-c-r sbc-hl-rr
ld-indirect-nn-rr neg reti-retn im-n ld-i-a-ld-r-a in-r-c out-c-r adc-hl-rr
ld-rr-indirect-nn neg reti-retn im-n ld-i-a-ld-r-a in-r-c out-c-r sbc-hl-rr
ld-indirect-nn-rr neg reti-retn im-n ld-a-i-ld-a-r in-r-c out-c-r adc-hl-rr
ld-rr-indirect-nn neg reti-retn im-n ld-a-i-ld-a-r in-r-c out-c-r sbc-hl-rr
ld-indirect-nn-rr neg reti-retn im-n rld-rrd in-r-c out-c-r adc-hl-rr
ld-rr-indirect-nn neg reti-retn im-n rld-rrd in-r-c out-c-r sbc-hl-rr
ld-indirect-nn-rr neg reti-retn im-n ed-undefined in-r-c out-c-r adc-hl-rr
ld-rr-indirect-nn neg reti-retn im-n ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ldi cpi ini outi ed-undefined ed-undefined ed-undefined ed-undefined ldd cpd
ind outd ed-undefined ed-undefined ed-undefined ed-undefined ldir cpir inir
otir ed-undefined ed-undefined ed-undefined ed-undefined lddr cpdr indr otdr
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined ed-undefined
ed-undefined ed-undefined))))
(defparameter cb-prefix-table
(make-instance 'instruction-table
:prefixed-p t
:name :cb
:instructions
(make-array 256 :initial-contents
(list
rlc-r
rlc-r
rlc-r
rlc-r
rlc-r
rlc-r
rlc-indirect-hl
rlc-r
rrc-r
rrc-r
rrc-r
rrc-r
rrc-r
rrc-r
rrc-indirect-hl
rrc-r
rl-r
rl-r
rl-r
rl-r
rl-r
rl-r
rl-indirect-hl
rl-r
rr-r
rr-r
rr-r
rr-r
rr-r
rr-r
rr-indirect-hl
rr-r
sla-r
sla-r
sla-r
sla-r
sla-r
sla-r
sla-indirect-hl
sla-r
sra-r
sra-r
sra-r
sra-r
sra-r
sra-r
sra-indirect-hl
sra-r
sll-r
sll-r
sll-r
sll-r
sll-r
sll-r
sll-indirect-hl
sll-r
srl-r
srl-r
srl-r
srl-r
srl-r
srl-r
srl-indirect-hl
srl-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-r
bit-b-indirect-hl
bit-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
res-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r
set-b-r))))
(defparameter condition-table
(list #'flag-nz #'flag-z #'flag-nc #'flag-c
#'flag-po #'flag-pe #'flag-p #'flag-m))
(defun find-condition (opcode-y)
(elt condition-table opcode-y))
(defparameter rst-table
(list #x00 #x08 #x10 #x18 #x20 #x28 #x30 #x38))
(defun find-rst-address (opcode-y)
(elt rst-table opcode-y))