add msbasic

2026-09-27 00:34:42 +02:00
1 parent d37d434228
commit c5a028c8c6
@@ -0,0 +1,51 @@
+.segment "INIT"
+
+PATCH1:
+        clc
+        jmp     CONTROL_C_TYPED
+PATCH2:
+        bit     FAC+4
+        bpl     LE1AA
+        cmp     #$54
+        bne     LE1AA
+        jmp     LCE3B
+LE1AA:
+        rts
+PATCH3:
+        bit     FAC+4
+        bmi     LE1B2
+        jmp     LCE90
+LE1B2:
+        cmp     #$54
+        beq     LE1B9
+        jmp     LCE82
+LE1B9:
+        jmp     LCE69
+PATCH4:
+        sta     CHARAC
+        inx
+        jmp     LE1D9
+PATCH5:
+        bpl     LE1C9
+        lda     Z8C
+        ldy     Z8C+1
+        rts
+LE1C9:
+        ldy     #$FF
+        rts
+PATCH6:
+        bne     LE1D8
+LE1CE:
+        inc     POSX
+        bne     LE1D8
+        lda     $E2
+        sta     POSX
+        bne     LE1CE
+LE1D8:
+        rts
+LE1D9:
+        stx     TXTPTR
+        pla
+        pla
+        tya
+        jmp     L2B1C