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gbdk-2020

GameBoy Development Kit
download: https://git.y1.nz/archives/gbdk.tar.gz
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gbdk-lib/libc/targets/sm83/get_wi_t.s

      1         .include "global.s"
      2 
      3         .globl   .get_xy_wtt
      4 
      5         .area    _HOME
      6 
      7 _get_win_tiles::
      8         PUSH    BC
      9 
     10         LDA     HL,4(SP)        ; Skip return address and registers
     11         LD      A,(HL+)         ; D = x
     12         LD      D, A
     13         LD      E,(HL)          ; E = y
     14         LDA     HL,9(SP)
     15         LD      A,(HL-)         ; BC = tiles
     16         LD      B, A
     17         LD      A,(HL-)
     18         LD      C, A
     19         LD      A,(HL-)         ; A = h
     20         LD      H,(HL)          ; H = w
     21         LD      L,A             ; L = h
     22 
     23         CALL    .get_xy_wtt
     24 
     25         POP     BC
     26         RET

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