X-Git-Url: https://git.danieliu.xyz/?p=sped.git;a=blobdiff_plain;f=repl.asm;h=6a1472f91902664cc3aca89f98427088989e5480;hp=738da942ffcbbcf086f17118d0abda22af7b0165;hb=0e7c787c5d6e31bd64fb9348c1cc4704d5b5928e;hpb=6cf67300c03d92a9cc0c5888b33cdb21a852eb69

diff --git a/repl.asm b/repl.asm
index 738da94..6a1472f 100644
--- a/repl.asm
+++ b/repl.asm
@@ -201,12 +201,42 @@ repl:
     push DWORD [buffer_lines]
     push DWORD [cur_line]
     call shiftLeft
+    mov [buffer], eax
 
     sub DWORD [buffer_lines], 1
 
     jmp _repl_continue
     _repl_cmd_delete_end:
 
+    ; o appends text after line =-=-=-=-=-=-=-=-=
+    mov eax, DWORD [ebp-CMDSTR]
+    cmp BYTE [eax], 'o'
+    jne _repl_cmd_appendup_end
+
+    ; make room first
+    push DWORD [buffer]
+    push DWORD [buffer_lines]
+    push DWORD [cur_line]
+    call shiftRight
+    mov [buffer], eax
+
+    ; input text
+    push 0
+    call readLine
+    mov esi, eax
+
+    ; insert new string
+    mov eax, [cur_line]
+    mov ecx, 4
+    mul ecx
+    add eax, DWORD [buffer]
+    mov [eax], esi
+
+    add DWORD [buffer_lines], 1
+
+    jmp _repl_continue
+    _repl_cmd_appendup_end:
+
     ; w writes file =-=-=-=-=-=-=-=-=-=-=-=-=
     mov eax, DWORD [ebp-CMDSTR]
     cmp BYTE [eax], 'w'