diff options
Diffstat (limited to 'console.s')
| -rw-r--r-- | console.s | 22 |
1 files changed, 17 insertions, 5 deletions
@@ -2,9 +2,11 @@ .include "atari.inc" .export _clrtobot, _clrtoeol, _clrtoline, _cspaces, _cblank, _backspace + .export _rvs_on, _rvs_off .import mul40 ; from cc65's runtime .importzp tmp3 ; ditto + .import _revflag ; conio/revers.s .import bump_destptr ; these two are .importzp destptr ; from draw_lorcha.s .import _cspace @@ -26,7 +28,9 @@ _clrtobot: ; same as clrtoline(24); lda #24 - bne _clrtoline + ;bne _clrtoline + .byte $2c ; BIT absolute opcode + ; fall through to _clrtoeol _clrtoeol: lda ROWCRS @@ -81,6 +85,11 @@ _cspaces: bne @lp rts +_backspace: + dec COLCRS + lda #1 + ; fall through to _cblank + _cblank: tax lda COLCRS @@ -95,7 +104,10 @@ _cblank: sta COLCRS rts -_backspace: - dec COLCRS - lda #1 - bne _cblank +_rvs_on: + lda #$80 + .byte $2c ; BIT absolute opcode +_rvs_off: + lda #0 + sta _revflag + rts |