Add OPL4 playback and analyzer support

2026-09-15 14:59:29 +03:00
commit 1686838e03
553 changed files with 50524 additions and 0 deletions
@@ -0,0 +1,34 @@
+        .module wc_prsrw
+        .area _CODE
+WC_ENTRY = 0x6006
+        .globl _wc_prsrw
+_wc_prsrw::
+        push    ix
+        push    hl                      ; save win (HL = 1st arg)
+        push    de                      ; save str (DE = 2nd arg)
+        ld      ix, #0
+        add     ix, sp
+        ld      b, 11(ix)               ; B = len_hi
+        ld      c, 10(ix)               ; C = len_lo
+        ld      d, 8(ix)                ; D = y
+        ld      e, 9(ix)                ; E = x
+        ld      l, 0(ix)
+        ld      h, 1(ix)                ; HL = str
+        exx
+        ld      l, 2(ix)
+        ld      h, 3(ix)                ; HL = win
+        push    hl
+        pop     ix                      ; IX = win
+        exx                             ; BC=len, DE=y|x, HL=str
+        ld      a, #0x03
+        call    WC_ENTRY
+        pop     de                      ; remove saved str
+        pop     hl                      ; remove saved win
+        pop     ix                      ; restore caller IX
+        ; callee cleans: y(1)+x(1)+len(2) = 4 bytes
+        pop     hl                      ; HL = return address
+        inc     sp
+        inc     sp
+        inc     sp
+        inc     sp
+        jp      (hl)