Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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3675 | GerdtR | 1 | ; TODO: add both visual and command modes |
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3 | ; scan and build command line |
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4 | scan_cmdline: |
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5 | pusha |
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6 | cmp [cmdline_len], cmdline_width |
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7 | jae waitevent |
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8 | push eax |
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9 | call clear_cmdline_end |
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10 | pop eax |
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11 | mov edi, cmdline |
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12 | mov ecx, [cmdline_len] |
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13 | add edi, ecx |
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14 | lea esi, [edi-1] |
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15 | sub ecx, [cmdline_pos] |
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16 | std |
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17 | rep movsb |
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18 | cld |
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19 | stosb |
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20 | inc [cmdline_len] |
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21 | call draw_cmdline_end |
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22 | inc [cmdline_pos] |
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23 | call draw_cursor |
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24 | jmp waitevent |
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25 | .backspace: |
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26 | cmp [cmdline_pos], 0 |
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27 | jz waitevent |
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28 | dec [cmdline_pos] |
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29 | .delchar: |
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30 | call clear_cmdline_end |
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31 | mov edi, [cmdline_pos] |
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32 | dec [cmdline_len] |
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33 | mov ecx, [cmdline_len] |
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34 | sub ecx, edi |
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35 | add edi, cmdline |
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36 | lea esi, [edi+1] |
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37 | rep movsb |
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38 | call draw_cmdline_end |
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39 | call draw_cursor |
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40 | jmp waitevent |
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41 | .del: |
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42 | mov eax, [cmdline_pos] |
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43 | cmp eax, [cmdline_len] |
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44 | jae waitevent |
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45 | jmp .delchar |
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46 | .left: |
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47 | cmp [cmdline_pos], 0 |
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48 | jz waitevent |
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49 | call hide_cursor |
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50 | dec [cmdline_pos] |
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51 | call draw_cursor |
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52 | jmp waitevent |
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53 | .right: |
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54 | mov eax, [cmdline_pos] |
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55 | cmp eax, [cmdline_len] |
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56 | jae waitevent |
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57 | call hide_cursor |
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58 | inc [cmdline_pos] |
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59 | call draw_cursor |
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60 | jmp waitevent |
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61 | .home: |
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62 | call hide_cursor |
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63 | and [cmdline_pos], 0 |
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64 | call draw_cursor |
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65 | jmp waitevent |
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66 | .end: |
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67 | call hide_cursor |
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68 | mov eax, [cmdline_len] |
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69 | mov [cmdline_pos], eax |
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70 | call draw_cursor |
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71 | .up: |
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72 | .down: |
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73 | jmp waitevent |
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74 | ;; We also trying to execute previous command, if empty command_line |
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75 | .enter: |
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76 | mov ecx, [cmdline_len] |
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77 | cmp ecx, 0 |
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78 | jg .exec_cur |
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79 | mov cl, byte [cmdline_prev] |
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80 | cmp cl, 0 |
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81 | jz waitevent |
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82 | .exec_prev: |
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83 | mov esi, cmdline_prev |
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84 | jmp .exec |
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85 | .exec_cur: |
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86 | mov esi, cmdline |
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87 | .exec: |
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88 | mov byte [esi+ecx], 0 |
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89 | and [cmdline_pos], 0 |
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90 | push esi |
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91 | call clear_cmdline_end |
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92 | call draw_cursor |
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93 | pop esi |
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94 | and [cmdline_len], 0 |
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95 | ; skip leading spaces |
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96 | call skip_spaces |
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97 | cmp al, 0 |
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98 | jz waitevent |
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99 | |||
100 | ; vim: ft= fasm |
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101 |