diff options
| -rw-r--r-- | board-js2x/slof/helper.fs | 4 | ||||
| -rw-r--r-- | board-qemu/slof/helper.fs | 3 | ||||
| -rw-r--r-- | slof/fs/fbuffer.fs | 2 |
3 files changed, 8 insertions, 1 deletions
diff --git a/board-js2x/slof/helper.fs b/board-js2x/slof/helper.fs index 34d60da..918fdc4 100644 --- a/board-js2x/slof/helper.fs +++ b/board-js2x/slof/helper.fs @@ -26,3 +26,7 @@ s" , " $cat bdate2human $cat encode-string THEN ; + +: invert-region ( addr len -- ) + 0 ?DO dup dup rb@ -1 xor swap rb! 1+ LOOP drop +; diff --git a/board-qemu/slof/helper.fs b/board-qemu/slof/helper.fs index 96da498..da676c7 100644 --- a/board-qemu/slof/helper.fs +++ b/board-qemu/slof/helper.fs @@ -33,3 +33,6 @@ swap - ; +: invert-region ( addr len -- ) + over swap 0 swap 1 hv-logical-memop drop +; diff --git a/slof/fs/fbuffer.fs b/slof/fs/fbuffer.fs index faae6a9..deeba6b 100644 --- a/slof/fs/fbuffer.fs +++ b/slof/fs/fbuffer.fs @@ -99,7 +99,7 @@ CREATE bitmap-buffer 400 4 * allot : fb8-toggle-cursor ( -- ) line# fb8-line2addr column# fb8-columns2bytes + char-height 0 ?DO - dup char-width screen-depth * 0 ?DO dup dup rb@ -1 xor swap rb! 1+ LOOP drop + dup char-width screen-depth * invert-region screen-width screen-depth * + LOOP drop ; |