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11.edit.el
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11.edit.el
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#output "11.edit"
last_ypos=0
last_yoffs=0
last_xpos=0
goto general_init_and_main_loop ' buffer of past line location
.draw_text_line
'--------------
a$=mid$(a$,x_offs)
b=len(a$)
o=b>80
print "{rvof}";
if o then b=79
p=pointer(a$)
bank 0
m=peek(p+1)+256*peek(p+2)
c=m+b-1
if b=0 then 6
if iv=1 then print "{rvon}";
bank 1
for a = m to c
za=peek(a)
print transl$(za);
if iv=1 and za=34 then print "{rvon}";
next
bank 128
if o then begin
foreground hl
print tab(79);"$";
foreground fg
bend
return
.general_init_and_main_loop
'--------------------------
trap error_handler
palette restore
poke 0,65 ' m65 fast mode
gosub ml_helper ' install m/l
pf$="11.edit"
key 7,"scratch "+chr$(34)+pf$+chr$(34)+":dsave"+chr$(34)+pf$+chr$(34)+":dverify"+chr$(34)+pf$+chr$(34)
if rwindow(2)<>80 then print chr$(27)+"x"; ' force 80cols mode
gosub read_defaults_from_mailbox
background bg
border bo
foreground fg
print "{home}{home}{clr}{swlc}"+chr$(27)+"m";
gosub clear_status_bar
print "{rvon} ee v0.5.0{rvof}";
gosub enable_raw_fn_keys
max_lines=2000 ' max number of lines
esc_flag%=0 ' escape flag
t$=" "
blank_line$=t$+t$+t$:t$=""
quote$=chr$(34) ' fast access to quote char
format_off$=chr$(27)+chr$(27) ' escape flash etc.
ctrl_chars$="{home}{clr}{f2}{$84}{left}{up}{down}{rght}{f1}{f3}{f5}{f7}{f4}{f8}{CTRL-O}{CTRL-Z}{CTRL-P}{$83}{CTRL-W}{CTRL-U}{inst}{blu}"+chr$(22)+chr$(20)+chr$(148)+chr$(13) ' ctrl chars
horz_move_chars$="{left}{rght}"+chr$(20) ' horizontal movement characters
file_changed_ind$(0)=" ":file_changed_ind$(1)="*" ' for file changed indicator
control_mode_ind$(0)=" ": ' for control char mode indicator
control_mode_ind$(1)="{CTRL-O}ctrl"+format_off$
disk_op_result$(1)="success: ":disk_op_result$(0)="error: " ' disc operation result
disk_op_result_clr(1)=sb:disk_op_result_clr(0)=hl ' disc operation result colors
default_file$="11.defaults" ' defaults file name
dim line_buff$(max_lines) ' line buffer
dim clipboard$(100) ' clipboard of lines
dim label_name$(72),label_lineno(72),filtered_name$(72),filtered_lineno(72) ' marker table
ee$(0)="variable not declared"
' --- build char translation table ---
dim transl$(255) ' char translation table
for a=1 to 31:transl$(a)="{rvon}"+chr$(64+a)+"{rvof}":transl$(128+a)="{rvon}"+chr$(192+a)+"{rvof}":next a
for a=32 to 127:transl$(a)=chr$(a):transl$(a+128)=chr$(a+128):next a
transl$(34)=chr$(34)+format_off$
transl$(160)="{CBM-+}" ' make shift+space visible
x_offs=1 ' horizontal scroll index in current line
bank 128
poke 248,peek(248)or2^6 ' disable screen editor line linking
x_pos=0:y_pos=0:status_line_y=rwindow(1)-2 ' cursor pos, status line position
gosub check_filetype
if curr_file$<>"" then begin
if file_type$<>".prj" and peek($4ff70)=55 and peek($4ff71)=77 then begin
gosub copy_attic_ram_to_line_buffer
bend:else begin
gosub load_file ' load file if set
gosub copy_line_buffer_to_attic_ram ' keep copy of file in attic ram
poke $4ff70,55,77
if disk_errno<>0 then curr_file$="" ' delete current filename if file not there
bend
bend
' uncomment this for output performance test
' ts=ti:for te=0 to 10:gosub 2080:next te:print "{down}{down}{down}"ti-ts:stop
gosub redraw_screen ' redraw screen
gosub build_status_bar ' build status bar
' **********************
' ** main editor loop **
' **********************
bank 128:sys ml_v4 ' enable vic iv
if jump_line<>-1 then begin
ly=jump_line:context_lines=5:gosub safe_ly ' bring line in context
if peek($4ff30)<>0 then begin
r=0:parser_error$="":do:p=peek($4ff30+r):parser_error$=parser_error$+chr$(p):r=r+1:loop while p<>0
gosub clear_status_bar:print "{rvon}";parser_error$;:redraw_status=1
poke $4ff30,0
bend
jump_line=-1:context_lines=0 ' clear jump line
bend
do
.main_loop
if y_pos-y_offs<0 then y_offs=0:y_pos=0
if redraw_status<>1 then po$=" {left}{left}{left}{left}{left}{left}"+mid$(str$(x_pos),2)+":"+mid$(str$(y_pos),2):gosub display_status
curr_line$=line_buff$(y_pos)
if (y_pos-y_offs)>rwindow(1)-1 then y_pos=y_offs+rwindow(1)-1
cursor x_pos,y_pos-y_offs
foreground sb
cursor on
get key t$
cursor off
foreground fg
if mf=1 then gosub mark_mode_handler : goto main_loop ' mark-mode handling
if redraw_status=1 then gosub build_status_bar: bank 128:sys ml_v4: redraw_status=0
bank 128:alt_key = peek(54801) and 16 ' check alt key
' -- if t$=f11 (also ctrl+5/green for xemu?)
if t$="{pur}" or (alt_key and t$="c") then control_mode=abs(control_mode-1) : goto main_loop
ctrl_or_alt = (instr(ctrl_chars$,t$) and control_mode=0) or alt_key
if ctrl_or_alt then begin
if t$="g" then t$="{CTRL-P}" ' workaround for challenged keyboards
if t$="s" then t$="{CTRL-Z}"
if t$=chr$(13) then changed=1: gosub insert_return ' insert return
if instr(horz_move_chars$,t$)=0 and x_offs>1 then begin
x_offs=1:cursor 0,y_pos-y_offs:curr_line$=line_buff$(y_pos):a$=curr_line$:gosub draw_text_line
if t$=chr$(13) then cursor 0,y_pos-y_offs-1:a$=line_buff$(y_pos-1):gosub draw_text_line
bend
if t$="{CTRL-W}" then gosub next_word ' ctrl-w = next word
if t$="{CTRL-U}" then gosub previous_word ' ctrl-u = previous word
if t$="{inst}" then gosub delete_curr_char ' shift-del = delete current char
if t$="{blu}" then poke $4ff07,peek($4ff07) xor 8:if peek($4ff07)and8 then play "t0o5sg" ' toggle debug on/off
if t$="p" then gosub post_file_to_pc
if t$="z" then gosub navigate_to_label_under_cursor
if t$="f" then fr%=0 : gosub find_replace ' find
if t$="r" then fr%=1 : gosub find_replace ' find and replace
if t$="{f3}" then gosub save_file ' save
if t$="{f4}" then sa=1:gosub save_file ' save as
if t$="{f1}" then gosub load_file_prompt ' load
if t$="{$83}" then gosub quit_ee ' stop
if t$="{f2}" then gosub new_file ' new
if t$="{f7}" then gosub show_labels ' labels
if t$="{CTRL-P}" then gosub jump_to_line ' goto line
if t$="{f8}" then gosub jump_to_prev_file ' go to previous file (pv$)
if t$="{$84}" then gosub show_help ' help
if t$="{CTRL-O}" then temp=y_pos:y_pos=last_ypos:last_ypos=temp: temp=y_offs:y_offs=last_yoffs:last_yoffs=temp: temp=x_pos:x_pos=last_xpos:last_xpos=temp:gosub redraw_screen
if t$="{home}" then begin ' home/end
if alt_key=0 then ly=0:x_pos=0:gosub safe_ly: else ly=lastline_y:x_pos=0:gosub safe_ly
bend
if t$="{rght}" then begin ' -------- cursor right
if alt_key then begin
if 79+x_offs<len(curr_line$) then x_offs=x_offs+1:cursor0,y_pos-y_offs:a$=curr_line$:gosub draw_text_line
bend : else x_pos=x_pos+1
if x_pos>79 then begin
x_pos=79:if x_pos+x_offs<len(curr_line$) then x_offs=x_offs+1
cursor 0,y_pos-y_offs:a$=curr_line$:gosub draw_text_line
bend
bend
if t$="{left}" then begin
if x_pos>0 then x_pos=x_pos-1 : else if y_pos>0 then y_pos=y_pos-1:x_pos=len(line_buff$(y_pos)):if x_pos>79 then x_pos=79
bend
if t$="{down}" then begin
if alt_key then ly=y_pos+status_line_y:gosub safe_ly:else y_pos=y_pos+1
if y_pos-y_offs>status_line_y-3 then gosub scroll_up : if y_pos-y_offs>status_line_y then y_pos=y_pos-1
bend
if t$="{up}" then begin
if alt_key then ly=y_pos-status_line_y:gosub safe_ly:else y_pos=y_pos-1
if y_pos-y_offs<0 then gosub scroll_down : if y_pos-y_offs<0 then y_pos=y_pos+1
bend
if t$="{f5}" then gosub compile ' --- f5 - compile
if t$=chr$(20) then begin ' delete
changed=1
if x_pos=0 or alt_key then gosub merge_lines :else begin ' merge with last line
curr_line$=left$(curr_line$,x_pos+x_offs-2)+mid$(curr_line$,x_pos+x_offs)
line_buff$(y_pos)=curr_line$
cursor 0,y_pos-y_offs:a$=curr_line$:gosub draw_text_line:if len(curr_line$)<=79 then print " ";
if x_pos>0 then x_pos=x_pos-1
bend
bend
if t$="{CTRL-Z}" then begin ' --- f14 - save defaults
gosub clear_status_bar:print "{rvon}saving defaults...{rvof}";
scratch (default_file$):bsave (default_file$),b(4),p(dec("ff00")) to p(dec("ff80"))
disk_errno=ds : disk_error$=ds$
foreground disk_op_result_clr(abs(disk_errno=0))
gosub clear_status_bar:print "{rvon}";disk_op_result$(abs(disk_errno=0));disk_error$;" ";:foreground sb
redraw_status=1
bend
' endif ctrl_or_alt
bend:else begin ' else not ctrl_or_alt
if t$=chr$(27) then begin ' -- check escape flag
t$="":if esc_flag%=0 then esc_flag%=1:else esc_flag%=0
bend:else begin
if esc_flag%=1 then begin ' -- check escape characters
if t$="k" then x_pos=len(curr_line$):if x_pos>78 then x_offs=x_pos-78:x_pos=78:gosub redraw_line
if t$="j" then x_pos=0:if x_offs>1 then x_offs=1:gosub redraw_line
if t$="d" then alt_key=1:gosub merge_lines :changed=1
if t$="m" then mf=1:ms=y_pos:me=y_pos:gosub redraw_line
if t$="p" then gosub paste
esc_flag%=0
bend:else begin ' -- insert char
changed=1
if x_pos=79 then x_offs=x_offs+1
do while len(curr_line$)<x_pos:curr_line$=curr_line$+" ":loop ' fill up spaces if needed
curr_line$=left$(curr_line$,x_pos+x_offs-1)+t$+mid$(curr_line$,x_pos+x_offs)
line_buff$(y_pos)=curr_line$
cursor 0,y_pos-y_offs:a$=curr_line$:gosub draw_text_line
x_pos=x_pos+1 : if x_pos>79 then x_pos=79
bend ' endif esc_flag%=1
bend ' endif t$=chr$(27)
bend ' endif not ctrl_or_alt (ctrl-char)
loop until qu=1
stop
' ==================== subroutines =====================
' filetype$ = ft$
' project_flag% = pf%
' project_name$ = pn$
' proj_file_idx% = pi%
' proj_files$(20) = dim pf$(20)
' total_proj_lines = tp%
' fidx = fi%
.check_fileype
'-------------
filetype$ = ".el"
if len(curr_file$) > 4 and right$(curr_file$, 4) = ".prj" then begin
filetype$ = ".prj"
project_flag% = 1
bend
return
.load_file
'---------
gosub check_filetype
if filetype$ = ".prj" then proj_name$ = curr_file$ : proj_file_idx% = 0
' --- read in f$
open 1,1,5,curr_file$+",s,r":disk_errno=ds:disk_error$=ds$
if disk_errno<>0 then curr_file$=of$:close 1:return
for a = 0 to max_lines:line_buff$(a)="":next a:lc=0
lastline_y=0:y_offs=0:y_pos=0:x_pos=0
do
l$="":line input#1,l$
line_buff$(lastline_y)=l$
lastline_y=lastline_y+1
if project_flag% and filetype$ = ".prj" and len(l$)>0 and left$(l$,1)<>"'" then begin
proj_files$(proj_file_idx%) = l$
proj_file_idx% = proj_file_idx% + 1
bend
loop while st=0
lastline_y=lastline_y-1:changed=0
close 1
return
.redraw_screen
'-------------
foreground fg : print "{rvof}";
if y_offs<0 then y_offs=0
for i=0 to status_line_y
cursor 0,i
a$=line_buff$(y_offs+i)
print chr$(27)+"q";:zy=y_pos:y_pos=y_offs+i:gosub invert_if_marked :y_pos=zy:gosub draw_text_line
next i
return
.scroll_up
'---------
if y_offs+status_line_y>lastline_y-1 then return
y_offs=y_offs+1 ' current top
s$=line_buff$(y_offs+status_line_y)
cursor 0,0:print chr$(27)+"v";
cursor 0,status_line_y:a$=s$:gosub draw_text_line
return
.scroll_down
'-----------
if y_offs<=0 then return
y_offs=y_offs-1
s$=line_buff$(y_offs)
cursor0,0:print chr$(27)+"w";:a$=s$:gosub draw_text_line
return
.display_status
'--------------
' --- display status in st$
foreground sb
print "{home}{home}";:cursor 20,status_line_y+1:print "{rvon}"+po$;
cursor 75,status_line_y+1:print control_mode_ind$(control_mode);
cursor 0,status_line_y+1:print "{rvon}"+file_changed_ind$(changed)+"{rvof}";
window 0,0,79,status_line_y
foreground fg
return
.clear_status_bar
'----------------
if rwindow(1)=25 then cb=2048+(24*80) : fb=$ff80000 + (24*80)
if rwindow(1)=50 then cb=$40800+(49*80) : fb=$ff80000 + (49*80)
edma 3,80,160,cb ' --- clear status bar
edma 3,80,sb,fb ' set status bar colour
print "{home}{home}";:cursor 0,status_line_y+1
foreground sb
return
.build_status_bar
'----------------
gosub clear_status_bar
print "{home}{home}";:cursor 18,status_line_y+1:print "{rvon}{SHIFT--} {SHIFT--} {rvof}f1{rvon}load {rvof}f3{rvon}save {rvof}f5{rvon}compile {rvof}f7{rvon}lbls {rvof}f9{rvon}go {rvof}f11{rvon}cmode {SHIFT--}";
cursor 2,status_line_y+1:if curr_file$<>"" then print curr_file$;:else print "<untitled>";
window 0,0,79,status_line_y
foreground fg
return
.insert_return
'-------------
y_pos=y_pos+1
lastline_y=lastline_y+1
if y_pos>lastline_y then lastline_y=y_pos
fora=lastline_y+1to y_pos+1 step-1:line_buff$(a)=line_buff$(a-1):next a:line_buff$(y_pos)=""
line_buff$(y_pos)=mid$(line_buff$(y_pos-1),x_pos+x_offs)
line_buff$(y_pos-1)=left$(line_buff$(y_pos-1),x_pos+x_offs-1)
x_pos=0:sc=1:pl$=line_buff$(y_pos-1)
do while mid$(pl$,sc,1)=" " ' --- autoindent
if line_buff$(y_pos)<>"" then line_buff$(y_pos)=" "+line_buff$(y_pos)
sc=sc+1:x_pos=x_pos+1
loop
if y_pos-y_offs>status_line_y then gosub scroll_up ' scroll up
cursor x_pos,y_pos-y_offs:print chr$(27)+"i";
a$=line_buff$(y_pos):gosub draw_text_line
cursor x_pos-sc+1,y_pos-y_offs-1:print chr$(27)+"q";
a$=line_buff$(y_pos-1):gosub draw_text_line
return
.merge_lines
'-----------
' --- merge lines
if alt_key=0 and y_pos<1 then return
if alt_key then sx=x_pos:x_pos=0:y_pos=y_pos-1:goto mg_skip
y_pos=y_pos-1:x_pos=len(line_buff$(y_pos))
line_buff$(y_pos)=line_buff$(y_pos)+line_buff$(y_pos+1)
.mg_skip
for a=y_pos+1 to lastline_y-1:line_buff$(a)=line_buff$(a+1):next a
if y_pos<=lastline_y then line_buff$(lastline_y)=""
if lastline_y>0 then lastline_y=lastline_y-1
if alt_key=0 then cursor 0,y_pos-y_offs:a$=line_buff$(y_pos):gosub draw_text_line
cursor 0,y_pos-y_offs+1:print chr$(27)+"d";
cursor 0,status_line_y:a$=line_buff$(y_offs+status_line_y):gosub draw_text_line
if y_offs+status_line_y>lastline_y-1 then cursor 0,status_line_y:print chr$(27)+"q";
if alt_key then x_pos=sx:y_pos=y_pos+1
return
.save_file
'---------
if bu and curr_file$<>"" and sa=0 then begin
gosub clear_status_bar:print "{rvon}backing up old file...";
b$=left$(curr_file$,12)+".bak"
delete (b$)
copy (curr_file$) to (b$)
bend
if curr_file$="" or sa=1 then sa=0 : gosub save_file_prompt ' save as
if curr_file$="" then gosub build_status_bar: return
gosub clear_status_bar:print "{rvon}saving...";
delete (curr_file$)
i = max_lines:do while line_buff$(i)="":i=i-1:loop
lastline_y=i
open 1,1,3,curr_file$+",s,w":disk_errno=ds:disk_error$=ds$
for a=0 to lastline_y
print #1,line_buff$(a)
next a
if ds<>0 then disk_errno=ds
close 1
gosub clear_status_bar
if disk_errno=0 then changed=0
foreground disk_op_result_clr(abs(disk_errno=0))
print disk_op_result$(abs(disk_errno=0));disk_error$;" ";:foreground sb
gosub save_filename_in_mailbox ' save filename in mailbox ram
redraw_status=1
return
.load_file_prompt
'----------------
' --- load file
gosub clear_status_bar
of$=curr_file$
if changed=1 then begin
print "{rvon}current file "+curr_file$+" not saved. really proceed? (y/n) {CTRL-O}{CBM-+}"+format_off$;
do:get key t$:loop until instr("yn",t$)
gosub clear_status_bar
if t$="n" then gosub build_status_bar:return
bend
gosub clear_status_bar:print "{rvon}load file name ($ for directory, return to cancel) "+chr$(27)+"t{clr}";
nf$=""
line input "";nf$
if len(nf$)>0 and left$(nf$,1)="$" then begin
window0,0,79,status_line_y : print "{clr}"; : foreground fg
if len(nf$) = 1 then dir : else begin
dir (mid$(nf$,2))
bend
goto lf_retry
bend
.load_specified_file
print "{home}{home}";:gosub clear_status_bar
if nf$="" then gosub build_status_bar:gosub redraw_screen:return
pv$=curr_file$:pv=y_pos:curr_file$=nf$:print "{rvon}loading "+curr_file$+"...";
gosub load_file
print "{home}{home}{clr}"+format_off$;
gosub redraw_screen ' redraw screen
if disk_errno=0 then gosub save_filename_in_mailbox ' persist filename
gosub clear_status_bar : foreground disk_op_result_clr(abs(disk_errno=0))
print "{rvon}";curr_file$;" - ";disk_op_result$(abs(disk_errno=0));disk_error$;" ";:foreground sb
if disk_errno=0 then print "{rvon}; read ";lastline_y; "lines.";
redraw_status=1
return
.save_file_prompt
'----------------
gosub clear_status_bar:print "{rvon}save file name (return to cancel) "+chr$(27)+"t{clr}";
nf$=""
line input "";nf$
print "{home}{home}";:gosub clear_status_bar
curr_file$=nf$
return
.safe_ly
'-------
'--- ensure ly is at sane position end
' make line ly the current line
' if ly>lastline_y-status_line_y then ly=lastline_y-status_line_y
y_offs=ly :y_pos=ly
if y_offs>context_lines then y_offs=y_offs-context_lines
goto sl_skip
if y_offs<0 then y_offs=0
if y_pos<0 then y_pos=0
if y_pos>lastline_y then y_pos=lastline_y : y_offs=y_pos-status_line_y+3
if y_offs>context_lines then y_offs=y_offs-context_lines ' context lines
if y_offs<0 then y_offs=0
.sl_skip
gosub redraw_screen
return
.jump_to_line
'------------
' --- query line no
gosub clear_status_bar:print "{rvon}jump to line # (return to cancel) "+chr$(27)+"t{clr}";
nn$="":line input nn$
nn=val(nn$):print "{home}{home}";:gosub clear_status_bar
if nn>lastline_y then return
ly=nn:context_lines=8:gosub safe_ly
gosub build_status_bar
return
.show_help
'---------
' --- help
print "{home}{home}{clr}-- cursor movement --",,"-- editor functions --{down}"
print "{rvon}cursor keys {rvof} move the cursor"
print "{rvon}alt + up {rvof} scroll up 1 page"
print "{rvon}alt + down {rvof} scroll down 1 page"
print "{rvon}alt + left {$a0} {rvof} scroll left 1 char(*)"
print "{rvon}alt + right {rvof} scroll right 1 char(*)"
print "{down}{rvon}shift + clr {rvof} go to top of file"
print "{rvon}alt + clr {rvof} go to end of file"
print "{down}{rvon}alt + delete {rvof} delete current line"
print "{down}{rvon}alt + return {rvof} to start of next line"
print "{down}{rvon}alt + f {rvof} find"
print "{rvon}alt + r {rvof} find & replace"
print "{rvon}alt + z {rvof} go to label under cursor"
print "{down}*) only in lines with >80 characters"
print "{down}{rvon}#{rvof}) xemu-equivalent shortcut key"
print "{home}{down}{down}",,,,"{rvon} f1 {rvof} load file"
print ,,,,"{rvon} f2 {rvof} new file"
print ,,,,"{rvon} f3 {rvof} save file"
print ,,,,"{rvon} f4 {rvof} save file as"
print ,,,,"{down}{rvon} f5 {rvof} compile + run"
print ,,,,"{rvon} f6 {rvof} just compile"
print ,,,,"{down}{rvon} f7 {rvof} go to label"
print ,,,,"{rvon} f8 {rvof} go to previous file"
print ,,,,"{rvon} f9 {rvof} go to line nr ({rvon}#{rvof})ctrl + p"
print ,,,,"{rvon}ctrl-o{rvof} jump to loc prior to f7"
print ,,,,"{down}{rvon}f11 {rvof} toggle ctrl mode ({rvon}#{rvof})ctrl + 5"
print ,,,,"{down}{rvon}f14 {rvof} update defaults ({rvon}#{rvof})ctrl + z"
print ,,,,"{down}{rvon}help{rvof} this screen ({rvon}#{rvof})pageup"
gosub more_help ' more help
gosub clear_status_bar :print "{rvon}ee cheat sheet -- press any key to return to editor{rvof}";
get key t$:gosub redraw_screen:gosub build_status_bar:return
.read_defaults_from_mailbox
'--------------------------
' --- set filename from mailbox ram
bank 4:t$=chr$(peek(dec("ff00")))+chr$(peek(dec("ff01")))
if t$<>"sk" then bo=6:fg=5:bg=0:sb=14:hl=2:jump_line=-1:return
jump_line=-1 ' jump line
al=peek(dec("ff07"))and1 ' autoload flag?
if al=0 then goto skip_autoload
tf$="":i=dec("ff10"):do while peek(i)<>0
tf$=tf$+chr$(peek(i)):i=i+1:loop
curr_file$=tf$
if peek(dec("ff07"))and2 then begin ' autojump flag
poke dec("ff07"),peek(dec("ff07"))and(255 xor 2)
jump_line=peek(dec("ff09"))+256*peek(dec("ff0a")):ee=peek(dec("ff08"))
bend
.skip_autoload
bo=peek(dec("ff02")):bg=peek(dec("ff03")):fg=peek(dec("ff04"))
hl=peek(dec("ff05")):sb=peek(dec("ff06"))
bu=peek(dec("ff07"))and4 ' backup flag
' seems like ubik has plans to switch between 80x25 and 80x50 mode this way
' I'll comment it out for now
' sm=peek($4ff07)and8:if sm then print chr$(27)+"5";:else print chr$(27)+"8"
bank 128
return
.new_file
'--------
if ch then begin
gosub clear_status_bar:print "{rvon}Current file was modified! Really start over (y/n)? {CTRL-O}{CBM-+}";
do:get key t$:loop until t$="y" or t$="n"
if t$="n" then gosub build_status_bar: return
bend
for a = 0 to max_lines:line_buff$(a)="":next a:lc=0
curr_file$=""
print "{home}{home}{clr}":gosub redraw_screen
gosub build_status_bar
changed=0:x_pos=0:y_pos=0:y_offs=0
gosub clear_status_bar:print "{rvon}** New file **{rvof}";:redraw_status=1
return
.quit_ee
'-------
gosub clear_status_bar:print "{rvon}really quit ee? {CTRL-O}{CBM-+}"+chr$(27)+"o";
do:get key t$:loop until t$="y" or t$="n"
if t$="n" then gosub build_status_bar:return
bank 128:poke248,0:key on:palette restore
print "{home}{home}{clr}tschuessn...!"
end
.filter_labels
'-------------
'--- filter labels based on fz$
for a=0 to 72:filtered_name$(a)="":filtered_lineno(a)=0:next a:fz=0:mp=-1
for a=0 to mn-1:if (len(fz$)>0 and instr(label_name$(a),fz$)>0)or len(fz$)=0 then begin
filtered_name$(fz)=label_name$(a):filtered_lineno(fz)=label_lineno(a):fz=fz+1
if label_lineno(a) <= y_pos then mp=mp+1
bend
next a:print "{home}{home}{clr}";:gosub clear_status_bar:if fz<>0 then print "{rvon}Choose label with cursor keys + RETURN, escape with ESC{rvof} - filter='";fz$;"'";
if fz=0 then print "{rvon}{CTRL-O}No labels found{rvof} - filter='";fz$;"'"+format_off$;:redraw_status=1:return
l=status_line_y+1:window0,0,79,status_line_y:print "{clr}":for a=0 to fz:cursor 20*int(a/l),mod(a,l):print filtered_name$(a);:next a:if mp<0 then mp=0:return:else return
.show_labels
'-----------
mp = 0
bank 1
gosub clear_status_bar:print "{rvon}Collecting labels...";:if nz%=0 then fz$=""
for a=0 to 72:label_name$(a)="":label_lineno(a)=0:filtered_name$(a)="":filtered_lineno(a)=0:next a:mn=0:fz=0
for a=0 to lastline_y:t$=line_buff$(a):lb$="":if left$(t$,1)<>"." then 7490
label_name$(mn)=mid$(t$,1,38):label_lineno(mn)=a:mn=mn+1
next
gosub clear_status_bar:gosub filter_labels
if nz%=1 then begin
if fz=1 then t$=chr$(13):else t$=chr$(27)
nz%=0:goto slbl_skip
bend
nz%=0
do
sx=20*int(mp/l): sy=mod(mp,l):cursor 0,10
cursor sx,sy:print "{rvon}";filtered_name$(mp);"{rvof}";
get key t$
cursor sx,sy:print filtered_name$(mp);
if t$="{down}" then mp=mp+1
if t$="{rght}" then mp=mp+l
if t$="{up}" then mp=mp-1
if t$="{left}" then mp=mp-l
if (t$>="a" and t$<="z") or t$="{CBM-P}" then fz$=fz$+t$:gosub filter_labels
if t$=chr$(20) and len(fz$)>0 then fz$=left$(fz$,len(fz$)-1):gosub filter_labels
if mp>fz-1 then mp=fz-1
if mp<0 then mp=0
loop until t$=chr$(13) or t$=chr$(27)
.slbl_skip
if t$=chr$(13) then last_xpos=x_pos:last_ypos=y_pos:last_yoffs=y_offs:x_pos=0:ly=filtered_lineno(mp):gosub safe_ly:else gosub redraw_screen
gosub build_status_bar ' redraw status bar
return
.save_filename_in_mailbox
'------------------------
gosub copy_line_buffer_to_attic_ram ' save to attic
for i=1 to len(curr_file$):poke $4ff10+i-1,asc(mid$(curr_file$,i,1)):next i
poke $4ff10+i-1,0
poke $4ff00,asc("s"),asc("k")
poke $4ff07,peek($4ff07)or1
bank 128:return
.compile
'-------
ab=0
if curr_file$="" then return ' now filename, no cigar
if changed=1 then begin
gosub clear_status_bar: foreground hl
print "{rvon}current file not saved - press any key";:get key t$
foreground fg: gosub build_status_bar: ab=1
bend
if ab=1 then return
print "{home}{home}{clr}"+chr$(27)+"l";
if project_flag% then gosub copy_project_files_to_attic_ram
print "{home}{home}{clr}{down}{down}edma 0,$d400,$8010000,$2001:new restore{down}{down}":print "run{home}"; ' load '11.parse' from attic cache
bank 128
poke 208,2 ' no of chars in keyboard buffer
poke 688,13,13 ' 2x return
end
.ml_helper
'---------
'--- m/l helper for vic-iv mode
bank128:restore 7970
for i=0 to 12:read a$:poke dec("1600")+i,dec(a$):next i
data 78,a2,47,a0,53,8e,2f,d0,8c,2f,d0,58,60
ml_v4=dec("1600")
return
.find_replace
'------------
' find and replace
gosub clear_status_bar:print "{rvon}find:"+chr$(27)+"t{clr}";
fs$="":rs$="":sd=1 ' find string, replace string, search dir
ra%=0 ' replace all
open 1,0,0:line input#1,fs$:close 1
if fr%=0 then8110
print "{home}{home}";:gosub clear_status_bar:print "{rvon}replace:"+chr$(27)+"t{clr}";
open 1,0,0:line input#1,rs$:close 1
print "{home}{home}";:gosub clear_status_bar
if fs$="" or fs$=" " then print "{rvon}find cancelled.";:redraw_status=1:return
s=y_pos
.fnr_retry
gosub clear_status_bar:print "searching...";
do while s>=0 and s<=lastline_y
fp=instr(line_buff$(s),fs$) ' found pos
if fp=0 then8240
ly=s:context_lines=8: gosub safe_ly
bank 128
' mark found line
for rv=0 to 79
i=((y_pos-y_offs)*80)+rv
poke 2048+i,peek(2048+i) xor 128
next rv
' flash found string
for rv=0 to len(fs$)-1
i=((y_pos-y_offs)*80)+fp+rv-1
poke $d800+i,peek($d800+i) or 16
next rv
if fr%=0 then gosub find_next : else gosub replace
s=s+sd
loop
if fd$="q" then gosub build_status_bar: else gosub clear_status_bar:foreground hl:print "{rvon}end of found";:redraw_status=1
if fd$<>"q" and s>lastline_y then print " - search from start?{$a0}(y/n):";:get key fd$: if fd$="y" then s=0:goto fnr_retry:else gosub clear_status_bar
x_pos=0:cursor x_pos,y_pos-y_offs:print chr$(27)+"q";
foreground fg
a$=line_buff$(y_pos):gosub draw_text_line ' redraw current
return
.find_next
'---------
bank 128
gosub clear_status_bar:print "{rvon}find n)ext p)rev q)uit";
do:get key fd$:loop until instr("npq",fd$)
if fd$="n" then sd=1
if fd$="p" then sd=-1
if fd$="q" then s=lastline_y+2
return
.replace
'-------
bank 128
gosub clear_status_bar:print "{rvon}r)eplace a)ll n)ext p)rev q)uit";
do:get key fd$:loop until instr("ranpq",fd$)
if fd$="n" then sd=1
if fd$="p" then sd=-1
if fd$="q" then s=lastline_y+1
if fd$="r" then gosub replace_item
return
.replace_item
'------------
ts$=line_buff$(s)
ns$=left$(ts$,fp-1)+rs$+mid$(ts$,fp+len(fs$),255)
line_buff$(s)=ns$
cursor x_pos,y_pos-y_offs:print chr$(27)+"q";
a$=line_buff$(s):gosub draw_text_line
s=s-1
return
.error_handler
'-------------
if er=30 then resume
trap
bank 128:poke248,0:key on:palette restore
print chr$(27)+"q"+chr$(27)+"l{home}{home}{lgrn}";err$(er),el
end
.copy_project_files_to_attic_ram
'-------------------------------
curr_file$ = proj_name$
gosub save_filename_in_mailbox ' to assure we return here after compilation
cb=$8030000 : c = cb
total_proj_lines = 0
wpoke cb, 0 ' reset total length
c = c + 2
for fidx = 0 to proj_file_idx%-1
curr_file$ = proj_files$(fidx)
gosub load_file
if disk_errno=0 then begin
total_proj_lines = total_proj_lines + lastline_y+1
wpoke cb, total_proj_lines
gosub copy_more_to_attic_ram ' persist filename
bend
next fidx
return
.copy_line_buffer_to_attic_ram
'-----------------------------
cb=$8030000 : c=cb
wpoke c,lastline_y+1 : c=c+2 ' store no of lines
.copy_more_to_attic_ram
for a=0 to lastline_y
p=pointer(line_buff$(a)):l=len(line_buff$(a)):b=$10000+wpeek(p+1)
poke c,l : c=c+1
if l<>0 then edma 0,l,b,c:c=c+l
next
return
.copy_attic_ram_to_line_buffer
'-----------------------------
cb=$8030000 : c=cb
lastline_y=wpeek(c):c=c+2
cl=0
do while cl<>lastline_y
l=peek(c):line_buff$(cl)=left$(blank_line$,l):p=pointer(line_buff$(cl))
b=$10000+wpeek(p+1):c=c+1
if l<>0 then edma 0,l,c,b : c=c+l
cl=cl+1
loop
return
.post_file_to_pc
'---------------
bload "b65support.bin":sys $1600
a=usr(0) ' set issue# to zero
l$="/file:"+curr_file$:gosub post_chunk ' post filename
dopen#2,(curr_file$)
l$=""
.post_loop
get #2,c$
l$=l$+c$
if len(l$)=128 then gosub post_chunk ' post chunk
print n$;
if not st and 64 then post_loop
dclose#2
if len(l$)<>0 then gosub post_chunk ' post remaining chunk
gosub post_chunk ' post empty chunk to declare we've finished
print "finished posting!"
return
.post_chunk
'----------
' *** post chunk ***
l$=chr$(len(l$)+1) + l$ ' prepend the length of string+1
a=usr("/"+l$)
print "posting chunk..."
l$=""
return
.next_word
'---------
' move to next word
do while mid$(curr_line$,x_pos+x_offs,1) <> " "
gosub next_char
if ef then exit
loop
do while mid$(curr_line$,x_pos+x_offs,1) = " "
gosub next_char
if ef then exit
loop
return
.next_char
'---------
' move to next char
ef=0:x_pos=x_pos+1
if x_pos>len(curr_line$) then begin
if y_pos< lastline_y then x_pos=0:y_pos=y_pos+1:curr_line$=line_buff$(y_pos):if y_pos-y_offs>20 then gosub scroll_up
ef=1
bend
return
.previous_word
'-------------
' move to previous word
gosub previous_char ' prev char
do while mid$(curr_line$,x_pos+x_offs,1) = " "
gosub previous_char
if ef then exit
loop
do while mid$(curr_line$,x_pos+x_offs,1) <> " "
gosub previous_char
if ef then exit
loop
gosub previous_char ' next char
return
.previous_char
'-------------
' move to prev char
ef=0:x_pos=x_pos-1
if x_pos<0 then begin
if y_pos>0 then y_pos=y_pos-1:curr_line$=line_buff$(y_pos):x_pos=len(curr_line$)-1:if y_pos-y_offs<0then gosub scroll_down
if x_pos<0 then x_pos=0
ef=1
bend
if ef=1 and len(curr_line$) and y_pos>0 then goto previous_char
return
.delete_curr_char
'----------------
' delete current char
if x_pos<len(curr_line$) then begin
changed=1
curr_line$=left$(curr_line$,x_pos+x_offs-1)+mid$(curr_line$,x_pos+x_offs+1)
line_buff$(y_pos)=curr_line$
gosub redraw_line
bend
return
.redraw_line
'-----------
iv=0:gosub invert_if_marked
cursor 0,y_pos-y_offs:a$=curr_line$:gosub draw_text_line:if len(curr_line$)<=79 then print " ";
iv=0
return
.invert_if_marked
'----------------
iv=0:if mf=0 then return
if ms<me and ms<=y_pos and y_pos<=me then iv=1:return
if me<=ms and me<=y_pos and y_pos<=ms then iv=1
return
.mark_mode_handler
'-----------------
if t$="{down}" then begin
me=y_pos+1:curr_line$=line_buff$(y_pos):gosub redraw_line : y_pos=y_pos+1
if y_pos-y_offs>status_line_y-3 then gosub scroll_up :return:else begin
curr_line$=line_buff$(y_pos):gosub redraw_line :return
bend
bend
if t$="{up}" and y_pos>0 then begin
me=y_pos-1:curr_line$=line_buff$(y_pos):gosub redraw_line :y_pos=y_pos-1
if y_pos-y_offs<0 then gosub scroll_down :return:else begin
curr_line$=line_buff$(y_pos):gosub redraw_line :return
bend
bend
if t$="x" or t$="c" then begin
if ms>me then iv=ms:ms=me:me=iv
for iv=me to ms step -1
clipboard$(iv-ms) = line_buff$(iv)
next iv
if t$="x" then begin
for a=ms to lastline_y-(me-ms+1)
line_buff$(a)=line_buff$(a+(me-ms+1))
next a
lastline_y=lastline_y-(me-ms+1):for a=lastline_y+1 to lastline_y+(me-ms+1):line_buff$(a)="":next a
y_pos=ms:if y_pos-y_offs<0 then ly=ms:gosub safe_ly
bend
iv=0:mf=0:cs=me-ms+1:ms=0:me=0
bend
gosub redraw_screen
return
.paste
'-----
for iv=cs-1 to 0 step -1
' insert a line at y_pos
mf=y_pos ' temp
changed=1:gosub insert_return
y_pos=mf:mf=0
line_buff$(y_pos)=clipboard$(iv)
next iv
gosub redraw_screen
return
.enable_raw_fn_keys
'------------------
'--- set fn keys and make sure f11 doesn't generate paste
key on
fk$="{f1}{f2}{f3}{f4}{f5}{f6}{f7}{f8}{CTRL-P}{CTRL-U}{pur}{CTRL-W}{CTRL-Y}{CTRL-Z}"+chr$(132)
for r=1 to 15:key r, mid$(fk$,r,1):next r
return
.more_help
'---------
if rwindow(1)=25 then print "{rvon}-- press any key for next page{rvof}";:get keyt$:print "{home}{home}{clr}";:gosub clear_status_bar:else print "{down}{down}{down}";
print "{rvon}alt + p{rvof} post to pc (m65postbox)"
print "{rvon}esc, j{rvof} go to start of line"
print "{rvon}esc, k{rvof} go to end of line"
print "{rvon}esc, d{rvof} delete current line"
print "{rvon}ctrl + w{rvof} move to next word"
print "{rvon}ctrl + u{rvof} move to previous word"
print "{rvon}shift + inst/del{rvof} delete current character"
print "{rvon}ctrl + ={rvof} toggle compilation debugging on/off"
print "{down}{rvon}esc, m{rvof} turn 'mark-mode' on"
print " - when 'mark-mode' is on, use cursor up/down to select lines"
print " - press '{rvon}x{rvof}' to cut"
print " - press '{rvon}c{rvof}' to copy"
print " - Then use {rvon}esc,p{rvof} to paste clipboard contents"
return
.jump_to_prev_file
'-----------------
if changed=1 then begin
gosub clear_status_bar:foreground hl
print "{rvon}current file not saved - press any key";:get key t$
gosub clear_status_bar:gosub build_status_bar:return
bend
temp=pv:nf$=pv$:gosub load_specified_file
ly=temp:gosub safe_ly
return