__0a9a → last_file_byte
This commit is contained in:
Juhani Krekelä
parent
20de922eef
commit
bc284c6815
34
edlin.asm
34
edlin.asm
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@ -254,7 +254,7 @@ initialize_editor: ; 0240
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; Place ^Z after the end of file in memory
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; Place ^Z after the end of file in memory
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mov byte [di], 0x1a ; ^Z
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mov byte [di], 0x1a ; ^Z
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mov [__0a9a], di
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mov [last_file_byte], di
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mov byte [input_buffer.size], input_buffer.bufend - input_buffer.bufstart
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mov byte [input_buffer.size], input_buffer.bufend - input_buffer.bufstart
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mov byte [__0c1e.size], 0xff
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mov byte [__0c1e.size], 0xff
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mov byte [__0d48], 0x0a ; magic
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mov byte [__0d48], 0x0a ; magic
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@ -453,7 +453,7 @@ command_a: ; 0370
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test byte [new_file_flag], 0xff
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test byte [new_file_flag], 0xff
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jnz __036d
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jnz __036d
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mov dx, [__0a9a]
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mov dx, [last_file_byte]
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cmp word [__0a80], 0
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cmp word [__0a80], 0
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jnz __0388
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jnz __0388
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@ -514,7 +514,7 @@ __03de:
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pop cx
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pop cx
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mov word [di], 0x1a ; ^Z
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mov word [di], 0x1a ; ^Z
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subw r_cx, r_di
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subw r_cx, r_di
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xchg di, [__0a9a]
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xchg di, [last_file_byte]
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addw r_di, r_cx
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addw r_di, r_cx
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sub [psp_fcb_1 + fcb_record_low], di
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sub [psp_fcb_1 + fcb_record_low], di
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sbb word [psp_fcb_1 + fcb_record_high], 0
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sbb word [psp_fcb_1 + fcb_record_high], 0
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@ -546,7 +546,7 @@ command_w: ; 0417
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jnz __043b
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jnz __043b
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mov cx, [__0a94]
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mov cx, [__0a94]
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mov di, [__0a9a]
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mov di, [last_file_byte]
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subw r_di, r_cx
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subw r_di, r_cx
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jna print_eof_str.ret
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jna print_eof_str.ret
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@ -580,12 +580,12 @@ __043f:
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movw r_si, r_di
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movw r_si, r_di
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mov di, file_buffer
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mov di, file_buffer
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mov [__0a92], di
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mov [__0a92], di
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mov cx, [__0a9a]
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mov cx, [last_file_byte]
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subw r_cx, r_si
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subw r_cx, r_si
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inc cx
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inc cx
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rep movsb
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rep movsb
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dec di
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dec di
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mov [__0a9a], di
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mov [last_file_byte], di
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mov word [current_line], 1
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mov word [current_line], 1
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__0474:
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__0474:
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@ -615,7 +615,7 @@ __0482:
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cmpw r_bx, r_dx
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cmpw r_bx, r_dx
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je __0474
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je __0474
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__049e:
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__049e:
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mov cx, [__0a9a]
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mov cx, [last_file_byte]
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subw r_cx, r_di
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subw r_cx, r_di
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__04a4:
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__04a4:
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@ -727,7 +727,7 @@ __0522:
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__0537:
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__0537:
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mov di, 1 ; magic
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mov di, 1 ; magic
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__053a:
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__053a:
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mov cx, [__0a9a]
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mov cx, [last_file_byte]
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subw r_cx, r_si
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subw r_cx, r_si
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jz print_line.ret
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jz print_line.ret
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@ -1102,7 +1102,7 @@ __0792:
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mov [__0a92], si
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mov [__0a92], si
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jnz __073e ; disambiguate
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jnz __073e ; disambiguate
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cmp si, [__0a9a]
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cmp si, [last_file_byte]
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je __073e
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je __073e
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call __0574
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call __0574
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@ -1138,13 +1138,13 @@ __07d7:
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movw r_si, r_di
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movw r_si, r_di
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addw r_si, r_dx
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addw r_si, r_dx
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addw r_di, r_cx
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addw r_di, r_cx
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mov ax, [__0a9a]
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mov ax, [last_file_byte]
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subw r_ax, r_dx
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subw r_ax, r_dx
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addw r_ax, r_cx
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addw r_ax, r_cx
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cmp ax, [last_valid_address]
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cmp ax, [last_valid_address]
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jnb oom
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jnb oom
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xchg ax, [__0a9a]
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xchg ax, [last_file_byte]
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movw r_cx, r_ax
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movw r_cx, r_ax
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subw r_cx, r_si
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subw r_cx, r_si
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; NOTE: Memmove?
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; NOTE: Memmove?
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@ -1188,7 +1188,7 @@ command_i: ; 0816
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__082a:
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__082a:
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call __0482
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call __0482
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mov cx, [__0a9a]
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mov cx, [last_file_byte]
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movw r_si, r_cx
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movw r_si, r_cx
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subw r_cx, r_di
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subw r_cx, r_di
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inc cx
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inc cx
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@ -1205,7 +1205,7 @@ __082a:
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__0845:
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__0845:
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mov [__0a92], di
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mov [__0a92], di
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mov [current_line], bx
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mov [current_line], bx
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mov [__0a9a], bp
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mov [last_file_byte], bp
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call print_line_prefix
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call print_line_prefix
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mov dx, __0c1e
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mov dx, __0c1e
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@ -1245,7 +1245,7 @@ __087d:
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call newline
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call newline
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__088b:
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__088b:
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mov bp, [__0a9a]
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mov bp, [last_file_byte]
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mov di, [__0a92]
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mov di, [__0a92]
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movw r_si, r_bp
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movw r_si, r_bp
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inc si
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inc si
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@ -1253,7 +1253,7 @@ __088b:
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subw r_cx, r_bp
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subw r_cx, r_bp
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rep movsb
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rep movsb
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dec di
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dec di
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mov [__0a9a], di
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mov [last_file_byte], di
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jmp editor_mainloop
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jmp editor_mainloop
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command_q: ; 08a6
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command_q: ; 08a6
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@ -1287,7 +1287,7 @@ command_e: ; 08cd
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test byte [new_file_flag], 0xff
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test byte [new_file_flag], 0xff
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jz __08c4
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jz __08c4
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mov dx, [__0a9a]
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mov dx, [last_file_byte]
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mov ah, sys_set_dta
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mov ah, sys_set_dta
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int 0x21
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int 0x21
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@ -1388,7 +1388,7 @@ __0a94 resw 1
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last_file_buffer_byte resw 1 ; 0a96
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last_file_buffer_byte resw 1 ; 0a96
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last_valid_address resw 1 ; 0a98
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last_valid_address resw 1 ; 0a98
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__0a9a resw 1
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last_file_byte resw 1 ; 0a9a
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input_buffer:
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input_buffer:
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.size resb 1 ; 0a9c
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.size resb 1 ; 0a9c
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