changeset 386:d8cbbf2a3133

changed scratch ragisters from BC to DE.
author Robert McIntyre <rlm@mit.edu>
date Thu, 12 Apr 2012 06:27:03 -0500 (2012-04-12)
parents 3f3cfc89be91
children 47d44bb54d32
files clojure/com/aurellem/gb/rlm_assembly.clj
diffstat 1 files changed, 40 insertions(+), 25 deletions(-) [+]
line wrap: on
line diff
     1.1 --- a/clojure/com/aurellem/gb/rlm_assembly.clj	Thu Apr 12 06:20:17 2012 -0500
     1.2 +++ b/clojure/com/aurellem/gb/rlm_assembly.clj	Thu Apr 12 06:27:03 2012 -0500
     1.3 @@ -65,12 +65,20 @@
     1.4  
     1.5  (defn frame-metronome []
     1.6    (let [timing-loop
     1.7 -        [0x01 ; \
     1.8 -         0x43 ; |
     1.9 -         0xFE ; |  load 0xFF44 into BC without repeats
    1.10 -         0x0C ; |
    1.11 -         0x04 ; /
    1.12 -         0x0A]   ;; (BC) -> A, now A = LY (vertical line coord)
    1.13 +        [;;0x01 ; \
    1.14 +         ;;0x43 ; |
    1.15 +         ;;0xFE ; |  load 0xFF44 into BC without repeats
    1.16 +         ;;0x0C ; |
    1.17 +         ;;0x04 ; /
    1.18 +         ;;0x0A ;; (BC) -> A, now A = LY (vertical line coord)
    1.19 +         
    1.20 +         0x11 ; \                                           
    1.21 +         0x43 ; |                                           
    1.22 +         0xFE ; |  load 0xFF44 into DE without repeats      
    1.23 +         0x1C ; |                                           
    1.24 +         0x14 ; /                                           
    1.25 +         0x1A ;; (DE) -> A, now A = LY (vertical line coord)
    1.26 +         ]
    1.27          continue-if-144
    1.28          [0xFE
    1.29           144     ;; compare LY (in A) with 144
    1.30 @@ -78,7 +86,8 @@
    1.31           (->signed-8-bit
    1.32            (+ -4 (- (count timing-loop))))]
    1.33          spin-loop
    1.34 -        [0x05 ;; dec B, which is 0xFF
    1.35 +        [;;0x05 ;; dec B, which is 0xFF
    1.36 +         0x15 ;; dec D, which is 0xFF
    1.37           0x20 ;; spin until B==0
    1.38           0xFD]]
    1.39      (concat timing-loop continue-if-144 spin-loop)))
    1.40 @@ -87,43 +96,49 @@
    1.41    "Ensure that frame-metronome ticks exactly once every frame."
    1.42    ([] (test-frame-metronome 151))
    1.43    ([steps]
    1.44 -     (let [inc-D [0x14 0x18
    1.45 +     (let [inc-B [0x04 0x18
    1.46                    (->signed-8-bit
    1.47                     (+ -3 (- (count (frame-metronome)))))]
    1.48 -           program (concat (frame-metronome) inc-D)
    1.49 +           program (concat (frame-metronome) inc-B)
    1.50             count-frames
    1.51             (-> (tick (mid-game))
    1.52                 (IE! 0)
    1.53 -               (DE! 0)
    1.54 +               (BC! 0)
    1.55                 (set-memory-range pokemon-list-start program)
    1.56                 (PC! pokemon-list-start))
    1.57 -           D-after-moves (D (run-moves count-frames (repeat steps [])))]
    1.58 -       (println "D:" D-after-moves) 
    1.59 -       (assert (= steps D-after-moves))
    1.60 +           B-after-moves (B (run-moves count-frames (repeat steps [])))]
    1.61 +       (println "B:" B-after-moves) 
    1.62 +       (assert (= steps B-after-moves))
    1.63  
    1.64 -       (println "D =" D-after-moves "after" steps "steps")
    1.65 +       (println "B =" B-after-moves "after" steps "steps")
    1.66         count-frames)))
    1.67  
    1.68  (defn read-user-input []
    1.69 -  [0x01 ;\
    1.70 -   0x01 ;|
    1.71 -   0xFE ;|  load 0xFF00 into BC without repeats
    1.72 -   0x04 ;|
    1.73 -   0x0D ;/
    1.74 +  [;;0x01 ;\
    1.75 +   ;;0x01 ;|
    1.76 +   ;;0xFE ;|  load 0xFF00 into BC without repeats
    1.77 +   ;;0x04 ;|
    1.78 +   ;;0x0D ;/
    1.79  
    1.80 +   0x11 ; \                                           
    1.81 +   0x01 ; |                                           
    1.82 +   0xFE ; |  load 0xFF44 into DE without repeats      
    1.83 +   0x14 ; |                                           
    1.84 +   0x1D ; /                                           
    1.85 +   
    1.86     0x3E
    1.87     (Integer/parseInt "00100000" 2) ; prepare to measure d-pad
    1.88  
    1.89 -   0x02 
    1.90 -   0x0A ;; get D-pad info
    1.91 +   0x12 
    1.92 +   0x1A ;; get D-pad info
    1.93     
    1.94     0xF5 ;; push AF
    1.95        
    1.96     0x3E
    1.97     (Integer/parseInt "00010000" 2) ; prepare to measure buttons
    1.98     
    1.99 -   0x02
   1.100 -   0x0A ;; get button info
   1.101 +   0x12
   1.102 +   0x1A ;; get button info
   1.103  
   1.104     
   1.105     0xE6 ;; select bottom bits of A
   1.106 @@ -148,7 +163,7 @@
   1.107    (let [program
   1.108          (concat
   1.109           (frame-metronome) (read-user-input)
   1.110 -         [0x5F ;; A-> E
   1.111 +         [0x47 ;; A->B
   1.112            0x18
   1.113            (->signed-8-bit
   1.114             (+ (- (count (frame-metronome)))
   1.115 @@ -161,7 +176,7 @@
   1.116              (PC! pokemon-list-start))]
   1.117      (dorun
   1.118        (for [i (range 0x100)]
   1.119 -        (assert (= (E (step read-input (buttons i))) i))))
   1.120 +        (assert (= (B (step read-input (buttons i))) i))))
   1.121       (println "Tested all inputs.")
   1.122      read-input))
   1.123