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Text File  |  1993-05-22  |  2KB  |  112 lines
  1.  
  2. *********************************************************************
  3. **
  4. ** SASM SNES Include File 
  5. ** ~~~~~~~~~~~~~~~~~~~~~~
  6. ** Default SNES Register Clear 
  7. ** 
  8. ** $: FWS - 18/02/93 - created this file!
  9. **
  10. *********************************************************************
  11.  
  12.     IFD    SETUPREGS_I
  13.     WARN    Double Inclusion of SETUPREGS.I
  14.     ELSE
  15. SETUPREGS_I    set    1
  16.         .include    snes:include/ppuregs.i
  17.         .include    snes:include/cpuregs.i
  18.  
  19. INIT_REGS    MACRO
  20.         php
  21.         pha
  22.         sep    #$20
  23.         lda    STAT77        ;reset PPU by strobing this addresses..
  24.         lda    STAT78
  25.         lda     #$80
  26.         sta     $2100
  27.         stz     $2101
  28.         stz     $2102
  29.         stz     $2103
  30.     stz     $2105
  31.         stz     $2106
  32.         stz     $2107
  33.         stz     $2108
  34.         stz     $2109
  35.         stz     $210a
  36.         stz     $210b
  37.         stz     $210c
  38.         stz     $210d
  39.         stz     $210d
  40.         stz     $210e
  41.         stz     $210e
  42.         stz     $210f
  43.         stz     $210f
  44.         stz     $2110
  45.         stz     $2110
  46.         stz     $2111
  47.         stz     $2111
  48.         stz     $2112
  49.         stz     $2112
  50.         stz     $2113
  51.         stz     $2113
  52.         stz     $2114
  53.         stz     $2114
  54.         lda     #$80
  55.         sta     $2115
  56.         stz     $2116
  57.         stz     $2117
  58.         stz     $211a
  59.         lda     #$01
  60.         stz     $211b
  61.         sta     $211b
  62.         stz     $211c
  63.         stz     $211c
  64.         stz     $211d
  65.         stz     $211d
  66.         stz     $211e
  67.         sta     $211e
  68.         stz     $211f
  69.         stz     $211f
  70.         stz     $2120
  71.         stz     $2120
  72.         stz     $2121
  73.         stz     $2122
  74.         stz     $2122
  75.         stz     $2123
  76.         stz     $2124
  77.         stz     $2125
  78.         stz     $2126
  79.         stz     $2127
  80.         stz     $2128
  81.         stz     $2129
  82.         stz     $212a
  83.         stz     $212b
  84.         stz     $212c
  85.         stz     $212d
  86.         stz     $212e
  87.         lda     #$30
  88.         sta     $2130
  89.         stz     $2131
  90.         lda     #$e0
  91.         sta     $2132
  92.         stz     $2133
  93.         stz     $4200
  94.         lda     #$ff
  95.         sta     $4201
  96.         stz     $4202
  97.         stz     $4203
  98.         stz     $4204
  99.         stz     $4205
  100.         stz     $4206
  101.         stz     $4207
  102.         stz     $4208
  103.         stz     $4209
  104.         stz     $420a
  105.         stz     $420b
  106.         stz     $420c
  107.         stz     $420d
  108.         pla
  109.         php
  110.         ENDM
  111.     ENDC
  112.