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Working on executive function.
[jars.git]
/
mars.scm
diff --git
a/mars.scm
b/mars.scm
index
d7a0de2
..
7dac46d
100644
(file)
--- a/
mars.scm
+++ b/
mars.scm
@@
-10,18
+10,13
@@
;;; Constants
;;
;;; Constants
;;
-(define core-size
800
0)
+(define core-size
2
0)
(define max-steps 10000)
;;; Instructions
;;
(define max-steps 10000)
;;; Instructions
;;
-(define ((blah x y) . args)
- (match args
- (('x q) (+ x q) q)
- (('y q) y)))
-
(define ((make-instr opcode modifier A-mode A-num B-mode B-num name) . args)
(match args
(('copy n) (make-instr opcode modifier A-mode A-num B-mode B-num n))
(define ((make-instr opcode modifier A-mode A-num B-mode B-num name) . args)
(match args
(('copy n) (make-instr opcode modifier A-mode A-num B-mode B-num n))
@@
-33,10
+28,10
@@
(('B-num) B-num)
(('name) name)
(('print) (print opcode
(('B-num) B-num)
(('name) name)
(('print) (print opcode
- (if (null? modifier) "" (concat "." modifier))
+ "." modifier
" " (mode-string A-mode) A-num
", " (mode-string B-mode) B-num
" " (mode-string A-mode) A-num
", " (mode-string B-mode) B-num
- (if (null? name) "" (conc
at
" ; " name))))
+ (if (null? name) "" (conc " ; " name))))
(('set-opcode! x n) (set! opcode x) (set! name n))
(('set-modifier! x n) (set! modifier x) (set! name n))
(('set-A-mode! x n) (set! A-mode x) (set! name n))
(('set-opcode! x n) (set! opcode x) (set! name n))
(('set-modifier! x n) (set! modifier x) (set! name n))
(('set-A-mode! x n) (set! A-mode x) (set! name n))
@@
-47,7
+42,7
@@
(define (mode-string mode)
(case mode
((immediate) "#")
(define (mode-string mode)
(case mode
((immediate) "#")
- ((direct) "")
+ ((direct) "
$
")
((indirect-A "*"))
((indirect-B "@"))
((pre-indirect-A "{"))
((indirect-A "*"))
((indirect-B "@"))
((pre-indirect-A "{"))
@@
-56,17
+51,30
@@
((post-indirect-B ">"))))
(define initial-instruction
((post-indirect-B ">"))))
(define initial-instruction
- (make-instr 'DAT '() 'immediate 0 'immediate 0 '()))
+ (make-instr 'DAT 'F 'immediate 0 'immediate 0 '()))
+
;;; Memory setup and addressing
;;
(define core (make-vector core-size '()))
;;; Memory setup and addressing
;;
(define core (make-vector core-size '()))
+(define (core-get i)
+ (vector-ref core i))
+
+(define (core-set! i x)
+ (vector-set! core i x))
+
(define (initialize-core)
(let loop ((i 0))
(define (initialize-core)
(let loop ((i 0))
- (unless (< i core-size)
- (vector-set! core i (initial-instruction 'copy '()))
+ (unless (>= i core-size)
+ (core-set! i (initial-instruction 'copy '()))
+ (loop (+ i 1)))))
+
+(define (core-dump)
+ (let loop ((i 0))
+ (unless (>= i core-size)
+ ((core-get i) 'print)
(loop (+ i 1)))))
(define (addr+ . args)
(loop (+ i 1)))))
(define (addr+ . args)
@@
-78,7
+86,7
@@
;;
(define (make-prog name instrs offset)
;;
(define (make-prog name instrs offset)
- (list name instr
uction
s offset))
+ (list name instrs offset))
(define (prog-name prog) (list-ref prog 0))
(define (prog-instrs prog) (list-ref prog 1))
(define (prog-name prog) (list-ref prog 0))
(define (prog-instrs prog) (list-ref prog 1))
@@
-88,7
+96,7
@@
(let loop ((ptr addr)
(instrs (prog-instrs prog)))
(unless (null? instrs)
(let loop ((ptr addr)
(instrs (prog-instrs prog)))
(unless (null? instrs)
- (
vector-set! core ptr (instr-copy (car instrs
)))
+ (
core-set! ptr ((car instrs) 'copy (prog-name prog
)))
(loop (addr+ ptr 1) (cdr instrs))))
(make-player (prog-name prog)
(addr+ addr (prog-offset prog))))
(loop (addr+ ptr 1) (cdr instrs))))
(make-player (prog-name prog)
(addr+ addr (prog-offset prog))))
@@
-98,10
+106,10
@@
(remaining prog-len))
(if (= remaining 0)
#t
(remaining prog-len))
(if (= remaining 0)
#t
- (if ((vector-ref core ptr) 'name)
- #f
+ (if (null? ((core-get ptr) 'name))
(loop (addr+ ptr 1)
(loop (addr+ ptr 1)
- (- remaining 1))))))
+ (- remaining 1))
+ #f))))
(define (install-progs progs)
(let loop ((players '())
(define (install-progs progs)
(let loop ((players '())
@@
-141,26
+149,48
@@
(run (append other-players (list player)) (+ step 1)))))))))
(define (execute-instr ptr)
(run (append other-players (list player)) (+ step 1)))))))))
(define (execute-instr ptr)
- (let* ((instr (
vector-ref core
ptr))
- (A-pointer (eval-operand (instr
-A-mode instr) (instr-
A-num) ptr))
- (B-pointer (eval-operand (instr
-B-mode instr) (instr-
B-num) ptr))
+ (let* ((instr (
core-get
ptr))
+ (A-pointer (eval-operand (instr
'A-mode) (instr '
A-num) ptr))
+ (B-pointer (eval-operand (instr
'B-mode) (instr '
B-num) ptr))
(modifier (instr-modifier instr)))
(case (instr-opcode instr)
((DAT) '()) ;Game over, man, game over!
(modifier (instr-modifier instr)))
(case (instr-opcode instr)
((DAT) '()) ;Game over, man, game over!
- ((MOV))
- ((ADD))
- ((SUB))
+ ((MOV)
+ (case modifier
+ ((A))
+ ((B))
+ ((AB))
+ ((BA))
+ ((F))
+ ((X))))
+ ((ADD)
+ (case modifier
+ ((A))
+ ((B))
+ ((AB))
+ ((BA))
+ ((F))
+ ((X))))
+ ((SUB)
+ (case modifier
+ ((A))
+ ((B))
+ ((AB))
+ ((BA))
+ ((F))
+ ((X))))
((MUL))
((DIV))
((MOD))
((JMP))
((MUL))
((DIV))
((MOD))
((JMP))
+ ((JMZ))
((JMN))
((DJN))
((SEQ CMP))
((SNE))
((SLT))
((SPL))
((JMN))
((DJN))
((SEQ CMP))
((SNE))
((SLT))
((SPL))
- ((NOP))
+ ((NOP)
(list (addr+ ptr 1))
)
(else
(error "Unrecognised opcode" (instr-opcode instr))))))
(else
(error "Unrecognised opcode" (instr-opcode instr))))))
@@
-169,25
+199,25
@@
(case mode
((immediate) 0)
((direct) num)
(case mode
((immediate) 0)
((direct) num)
- ((indirect-A) (addr+ num (
instr-A-num (vector-ref core (addr+ ptr num))
)))
- ((indirect-B) (addr+ num (
instr-B-num (vector-ref core (addr+ ptr num))
)))
+ ((indirect-A) (addr+ num (
(core-get (addr+ ptr num)) 'A-num
)))
+ ((indirect-B) (addr+ num (
(core-get (addr+ ptr num)) 'B-num
)))
((pre-indirect-A)
((pre-indirect-A)
- (let ((aux-instr (
vector-ref core
(addr+ ptr num))))
- (instr-set-A-num! aux-instr (addr+ -1 (
instr-A-num aux-instr
)))
- (addr+ num (
instr-A-num aux-instr
))))
+ (let ((aux-instr (
core-get
(addr+ ptr num))))
+ (instr-set-A-num! aux-instr (addr+ -1 (
aux-instr 'A-num
)))
+ (addr+ num (
aux-instr 'A-num
))))
((pre-indirect-B)
((pre-indirect-B)
- (let ((aux-instr (
vector-ref core
(addr+ ptr num))))
- (instr-set-B-num! aux-instr (addr+ -1 (
instr-B-num aux-instr
)))
- (addr+ num (
instr-B-num aux-instr
))))
+ (let ((aux-instr (
core-get
(addr+ ptr num))))
+ (instr-set-B-num! aux-instr (addr+ -1 (
aux-instr 'B-num
)))
+ (addr+ num (
aux-instr 'B-num
))))
((post-indirect-A)
((post-indirect-A)
- (let* ((aux-instr (
vector-ref core
(addr+ ptr num)))
- (old-A-num (
instr-A-num aux-instr
)))
- (instr-set-A-num! aux-instr (addr+ 1 (
instr-A-num aux-instr
)))
+ (let* ((aux-instr (
core-get
(addr+ ptr num)))
+ (old-A-num (
aux-instr 'A-num
)))
+ (instr-set-A-num! aux-instr (addr+ 1 (
aux-instr 'A-num
)))
(addr+ num old-A-num)))
((post-indirect-B)
(addr+ num old-A-num)))
((post-indirect-B)
- (let* ((aux-instr (
vector-ref core
(addr+ ptr num)))
- (old-B-num (
instr-B-num aux-instr
)))
- (instr-set-B-num! aux-instr (addr+ 1 (
instr-B-num aux-instr
)))
+ (let* ((aux-instr (
core-get
(addr+ ptr num)))
+ (old-B-num (
aux-instr 'B-num
)))
+ (instr-set-B-num! aux-instr (addr+ 1 (
aux-instr 'B-num
)))
(addr+ num old-B-num)))
(else
(error "Unrecognized mode" mode)))))
(addr+ num old-B-num)))
(else
(error "Unrecognized mode" mode)))))