Apple-2gs-SW/itty-bitty-vtty
1
0
Fork 0
mirror of https://github.com/ksherlock/itty-bitty-vtty.git synced 2024-11-21 20:30:56 +00:00
Code Issues Projects Releases Wiki Activity

update cursor save/cursor restore to also save the DECOM settings. tested with vt100 (mame)

Browse Source
This commit is contained in:
Kelvin Sherlock 2021-11-28 15:46:29 -05:00
parent cd1397e3cf
commit 6f055a1ef9
2 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
vt.equ.S
View File

@ -82,6 +82,7 @@ mod ds 2
* saved cursor * saved cursor
saved_x ds 2 saved_x ds 2
saved_y ds 2 saved_y ds 2
saved_decom ds 2
do *>256 do *>256
err "too big" err "too big"

9
vt100.esc.S
View File

@ -134,21 +134,24 @@ vt100_esc ent
esc_7 ; save cursor position, graphic rendition, and character set. esc_7 ; save cursor position, graphic rendition, and character set.
* based on testing, DECOM is also saved/restored.
lda x lda x
sta saved_x sta saved_x
lda y lda y
sta saved_y sta saved_y
lda DECOM
sta saved_decom
rts rts
esc_8 ; restore cursor position, graphic rendition, and character set. esc_8 ; restore cursor position, graphic rendition, and character set.
* TODO - how does this interact with DECOM?
lda saved_x lda saved_x
sta x sta x
lda saved_y lda saved_y
sta y sta y
lda saved_decom
sta DECOM
jmp recalc_cursor jmp recalc_cursor
esc_eq ; enter alternate keypad mode esc_eq ; enter alternate keypad mode