]> git.sur5r.net Git - cc65/commitdiff
don't use INVFLG but our own variable to indicate revers - the
authorcpg <cpg@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Tue, 30 May 2000 22:20:01 +0000 (22:20 +0000)
committercpg <cpg@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Tue, 30 May 2000 22:20:01 +0000 (22:20 +0000)
INVFLG is changed by the Atari key

git-svn-id: svn://svn.cc65.org/cc65/trunk@16 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/atari/cputc.s
libsrc/atari/revers.s

index 95bc7756c4c8de4a37c4c3db8a2b14d207134451..088e2bbf15d2e07fb8250d301a5b3bd9f0df78e8 100644 (file)
@@ -20,6 +20,7 @@ _cputcxy:
 .ifdef DIRECT_SCREEN
 
        .importzp tmp4,ptr4
+       .import _revflag
 
 _cputc:
        cmp     #$0D            ; CR
@@ -92,7 +93,7 @@ L3:   clc
        adc     SAVMSC+1
        sta     ptr4+1
        pla                     ; get char again
-       ora     INVFLG
+       ora     _revflag
        ldy     COLCRS
        sta     (ptr4),y
        rts
index ee59e7129a7cd74285e71d9cd657d1009818a948..620e94139ab6cf9a43f65cef069f3e9ee1841eab 100644 (file)
@@ -6,6 +6,7 @@
        .include "atari.inc"
        
        .export         _revers
+       .export         _revflag
 
 _revers:
        ldx     #$00            ; Assume revers off
@@ -13,11 +14,15 @@ _revers:
        beq     L1              ; Jump if off
        ldx     #$80            ; Load on value
 L1:    ldy     #$00            ; Assume old value is zero
-       lda     INVFLG          ; Load old value
-       stx     INVFLG          ; Set new value
+       lda     _revflag        ; Load old value
+       stx     _revflag        ; Set new value
        beq     L2              ; Jump if old value zero
        iny                     ; Make old value = 1
 L2:    ldx     #$00            ; Load high byte of result
        tya                     ; Load low byte, set CC
        rts
 
+       .data
+
+_revflag:
+       .byte   0