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Progress on movements

This commit is contained in:
neauoire 2021-03-09 11:33:31 -08:00
parent c21c2d95aa
commit 7d2a48a0a0

View file

@ -59,12 +59,12 @@ BRK
,ctrl-end ~dev/ctrl #00 EQU JMP? POP2
,no-ctrl-down ~dev/ctrl #04 ROR #01 NEQ JMP? POP2
~position.y #0001 SUB2 =position.y
,select JSR ,ctrl-end JMP
,move-up JSR
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-down
,no-ctrl-up ~dev/ctrl #04 ROR #02 NEQ JMP? POP2
~position.y #0001 ADD2 =position.y
,select JSR ,ctrl-end JMP
,get-position JSR ~position.y #0001 SUB2 =position.y ,select JSR
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-ctrl-up
,no-ctrl-left ~dev/ctrl #40 NEQ JMP? POP2
~selection.from #0001 SUB2 DUP2 =selection.from =selection.to
@ -85,6 +85,17 @@ BRK
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-aright
@no-alt
( ctrl )
,no-ctrl ~dev/ctrl #0f AND #01 NEQ JMP? POP2
,no-cleft ~dev/ctrl #04 ROR #04 NEQ JMP? POP2
,find-linestart JSR #0001 ADD2 DUP2 =selection.from =selection.to
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-cleft
,no-cright ~dev/ctrl #04 ROR #08 NEQ JMP? POP2
,find-lineend JSR #0001 SUB2 DUP2 =selection.from =selection.to
,clamp-selection JSR ,redraw JSR ,ctrl-end JMP
@no-cright
@no-ctrl
@ctrl-end
@ -193,33 +204,79 @@ RTS
RTS
@select
@find-linestart
~selection.from =j
@goto-linestart-loop
~j
~j LDR #0a EQU RTS?
~j LDR #0d EQU RTS?
POP2
( decr ) ~j #0001 SUB2 =j
,goto-linestart-loop ~j LDR #00 NEQ JMP? POP2
RTS
@find-lineend
~selection.from =j
@goto-lineend-loop
( incr ) ~j #0001 ADD2 =j
~j
~j LDR #0a EQU RTS?
~j LDR #0d EQU RTS?
POP2
,goto-lineend-loop ~j LDR #00 NEQ JMP? POP2
RTS
@move-up
,document.body =j #0000 =pt.x #0000 =pt.y
,find-linestart JSR =selection.from
,find-lineend JSR =selection.to
RTS
@get-position ( selection -> position )
,document.body =j #0000 =position.x #0000 =position.y
@get-position-loop
,no-position-space ~j LDR #0a NEQ ~j LDR #0d NEQ #0101 EQU2 JMP? POP2
( incr ) ~position.y #0001 ADD2 =position.y
#0000 =position.x
@no-position-space
,no-position-reached ~j ~selection.from NEQ2 JMP? POP2
RTS
@no-position-reached
( incr ) ~position.x #0001 ADD2 =position.x
( incr ) ~j #0001 ADD2 =j
,get-position-loop ~j LDR #00 NEQ JMP? POP2
RTS
@select ( position -> selection )
,document.body =selection.from #0000 =pt.x #0000 =pt.y
@select-loop
,no-reached ~pt.y ~position.y NEQ2 JMP? POP2
,no-reached ~pt.x ~position.x NEQ2 JMP? POP2
,no-ctrl-yes ~dev/ctrl #0f AND #01 NEQ JMP? POP2
~j =selection.to
RTS
@no-ctrl-yes
~j =selection.from
~j #0001 ADD2 =selection.to
RTS
@no-reached
,no-space ~j LDR #0a NEQ ~j LDR #0d NEQ #0101 EQU2 JMP? POP2
,no-space ~selection.from LDR #0a NEQ ~selection.from LDR #0d NEQ #0101 EQU2 JMP? POP2
( incr ) ~pt.y #0001 ADD2 =pt.y
#0000 =pt.x
@no-space
,no-reached ~pt.y ~position.y #0001 SUB2 GTH2 ~pt.x ~position.x #0001 SUB2 GTH2 #0101 NEQ2 JMP? POP2
~selection.from #0001 ADD2 =selection.to
RTS
@no-reached
( incr ) ~pt.x #0001 ADD2 =pt.x
( incr ) ~j #0001 ADD2 =j
,select-loop ~j LDR #00 NEQ JMP? POP2
( incr ) ~selection.from #0001 ADD2 =selection.from
,select-loop ~selection.from LDR #00 NEQ JMP? POP2
RTS
@ -333,11 +390,15 @@ RTS
@draw-textarea-loop
,no-linebreak ~j LDR #0a NEQ ~j LDR #0d NEQ #0101 EQU2 JMP? POP2
( draw linebreak )
,linebreak_icn =dev/sprite.addr
#02 =dev/sprite.color
( fill clear )
@fill-clear
( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
,font =dev/sprite.addr
#01 =dev/sprite.color
( incr ) ~dev/sprite.x #0008 ADD2 =dev/sprite.x
,fill-clear ~dev/sprite.x ~dev/screen.width #0008 SUB2 LTH2 JMP? POP2
#0010 =dev/sprite.x
( incr ) ~dev/sprite.y #0008 ADD2 =dev/sprite.y
@ -475,6 +536,7 @@ RTS
]
@linebreak_icn [ 003e 7474 3414 1400 ]
@blank_icn [ 0000 0000 0000 0000 ]
@cursor_icn [ 80c0 e0f0 f8e0 1000 ]
@scrollbar_bg [ aa55 aa55 aa55 aa55 ]