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1 ;=============================================================================
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2 ;
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634
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3 ; File strings.asm * combined next generation V3.09.4l
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4 ;
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5 ; Implementation code various string functions.
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6 ;
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7 ; Copyright (c) 2011, JD Gascuel, heinrichs weikamp gmbh, all right reserved.
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8 ;=============================================================================
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9 ; HISTORY
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10 ; 2010-12-02 : [jDG] Creation
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11 ;
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12 ; See strings.inc for doc and public calling macros.
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13
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275
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14 #include "hwos.inc"
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15 #include "varargs.inc"
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16
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17 extern aa_wordprocessor
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18 extern text_1_base
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19 extern text_1_text
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20
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21 IF _language_2 != none
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22 extern text_2_base
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23 extern text_2_text
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24 ENDIF
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623
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25
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26
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27 ;=============================================================================
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28 strings CODE
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29 ;=============================================================================
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30
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31 ;-----------------------------------------------------------------------------
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32 ; to be used via Macro: Variants that call the Word Processor at the end
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33 ;-----------------------------------------------------------------------------
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34
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35 global strcpy_block_print
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36 global strcat_block_print
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37 strcpy_block_print:
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38 lfsr FSR2,buffer ; load pointer to buffer
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39 strcat_block_print:
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40 bsf aa_aux_flag ; call Word Processor
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41 bra strings_com_block_VARARG; continue with common part for VARARGS PROM texts
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42
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43
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44 global strcpy_text_print
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45 global strcat_text_print
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46 strcpy_text_print:
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47 lfsr FSR2,buffer ; load pointer to buffer
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48 strcat_text_print:
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49 bsf aa_aux_flag ; call Word Processor
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50 bra strings_com_text_VARARG ; continue with common part for VARARGS multi-lingual texts
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51
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52
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53 global putc_print
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54 global print
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55 putc_print:
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56 movwf POSTINC2 ; append the character to the string
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57 print:
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58 bsf aa_aux_flag ; call Word Processor
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59 bra strings_common_term ; append string terminator
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60
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61
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62 ;-----------------------------------------------------------------------------
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63 ; to be used via Macro: Variants that do not call the Word Processor at end
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64 ;-----------------------------------------------------------------------------
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65
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66 global strcpy_block
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67 global strcat_block
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68 strcpy_block:
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69 lfsr FSR2,buffer ; load pointer to buffer
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70 strcat_block:
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71 bcf aa_aux_flag ; do not call Word Processor
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72 bra strings_com_block_VARARG; continue with common part for VARARGS PROM texts
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73
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74
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75 global strcpy_text
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76 global strcat_text
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77 strcpy_text:
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78 lfsr FSR2,buffer ; load pointer to buffer
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79 strcat_text:
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80 bcf aa_aux_flag ; do not call Word Processor
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81 bra strings_com_text_VARARG ; continue with common part for VARARGS multi-lingual texts
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82
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83
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84 global strcpy_text_FSR
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85 global strcat_text_FSR
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86 strcpy_text_FSR:
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87 lfsr FSR2,buffer ; load pointer to buffer
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88 strcat_text_FSR:
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89 bcf aa_aux_flag ; do not call Word Processor
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90 bra strings_com_text_FSR ; continue with common part for FSR multi-lingual texts
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91
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92
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93 ;-----------------------------------------------------------------------------
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94 ; Common Parts for all above Functions
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95 ;-----------------------------------------------------------------------------
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96
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97 strings_com_block_VARARG:
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98 VARARGS_BEGIN
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99 rcall strcat_prom ; append text to buffer
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100 VARARGS_ALIGN ; word-align the table pointer
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101 VARARGS_END
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102 bra strings_common_term ; continue with common part for all texts
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103
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104 strings_com_text_VARARG:
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105 VARARGS_BEGIN
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106 rcall text_get_fsr ; get pointer to multi-lingual text
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107 VARARGS_END
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108 ;bra strings_com_text_FSR ; continue with common part for FSR multi-lingual texts
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109
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110 strings_com_text_FSR:
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111 rcall text_get_tblptr ; get pointer to translated text
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112 rcall strcat_prom ; append text to buffer
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113 ;bra strings_common_term ; continue with common part for all texts
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114
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115 strings_common_term:
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116 clrf INDF2 ; append string terminator
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117 btfss aa_aux_flag ; shall call the Word Processor?
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118 return ; NO - done
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119 goto aa_wordprocessor ; YES - dump buffer to screen and return
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120
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121
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122 ;-----------------------------------------------------------------------------
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123 ; Helper Function - get Pointer to multi-lingual Text into FSR1
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124 ;
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125 text_get_fsr:
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126 tblrd*+ ; get pointer, low byte
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127 movff TABLAT,FSR1L ; store in FSR1L
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128 tblrd*+ ; get pointer, low byte
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129 movff TABLAT,FSR1H ; store in FSR1H
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130 return ; done
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131
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132
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133 ;-----------------------------------------------------------------------------
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134 ; Helper Function - get Pointer to translated Text into TBLPTR
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135 ;
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136 ; Input: FSR1 = pointer to multi-lingual text
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137 ; opt_language = selected language
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138 ; Output: TBLPTR = 24 bit PROM address 0x09000 / 0x09400 -> problem
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139 ; 0x07000 / 0x07400 -> ok
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140 text_get_tblptr:
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141 ; load TBLPTR with the index address of the selected text, expanded from 12 to 24 bit
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142 movlw UPPER(text_1_base) ; get address, upper byte = 0x00 of index base
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143 movwf TBLPTRU ; set TBLPTR, upper byte to 0x00
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144 movlw HIGH(text_1_base) ; get address, high byte = 0x90 of index base
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145 iorwf FSR1H,W ; add address, high byte = 0x0H from FSR1H
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146 movwf TBLPTRH ; set TBLPTR, high byte to 0x9H
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147 movff FSR1L,TBLPTRL ; set TBLPTR, low byte to 0xLL from FSR1L
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148
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149 IF _language_2 != none
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150 ; adjust the index address in case language 2 is selected
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151 movff opt_language,WREG ; get language selection
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152 tstfsz WREG ; language 2 selected ?
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153 bsf TBLPTRH,2 ; YES - add offset (0x00400) between the index tables
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154 ENDIF
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155
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156 ; read the address of the translated text in 16 bit format
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157 tblrd*+ ; read low byte and buffer it in WREG
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158 movff TABLAT,WREG ; ...
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159 tblrd*+ ; read high byte and keep it in TABLAT
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160
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161 ; load TBLPTR with the address of the translated text expanded to 24 bit
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162 movff WREG, TBLPTRL ; set TBLPTR, low byte
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163 movlw UPPER(text_1_text) ; get address, upper byte of text table
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164 IF _language_2 != none
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165 btfsc TBLPTRH,2 ; using language 2?
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166 movlw UPPER(text_2_text) ; YES - get upper address of language 2
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167 ENDIF
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168 movwf TBLPTRU ; set TBLPTR, upper byte
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169 movff TABLAT,TBLPTRH ; set TBLPTR, high byte
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170
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171 return ; done
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172
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173
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174 ;-----------------------------------------------------------------------------
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175 ; Helper Function - append a null-terminated String from TBLPTR to Buffer
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176 ;
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177 ; Input: TBLPTR : string pointer into PROM
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178 ; FRS2 : current character position
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179 ; Output: string in buffer, FSR2 pointing to the closing null byte
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180 ;
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181 strcat_prom:
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182 tblrd*+ ; read one character from PROM
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183 movf TABLAT,W ; copy character to WREG
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184 movwf POSTINC2 ; copy from WREG to buffer and increment buffer pointer
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185 ; was character = NULL ?
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186 bnz strcat_prom ; NO - loop
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187 movf POSTDEC2,W ; YES - dummy read to step back buffer pointer by 1
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188 return ; - done
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189
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190
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191 ;-----------------------------------------------------------------------------
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192 ; to by used via Macro: set Font Size and Output Position in one Batch
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193 ;
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194 global start_tiny_block
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195 start_tiny_block:
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196 movlw .0 ; set size encoding
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197 bra start_block_common ; start block
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198
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199 global start_small_block
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200 start_small_block:
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201 movlw .1 ; set size encoding
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202 bra start_block_common ; start block
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203
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204 global start_std_block
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205 start_std_block:
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206 movlw .2 ; set size encoding
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207 bra start_block_common ; start block
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208
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209 global start_medium_block
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210 start_medium_block:
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211 movlw .3 ; set size encoding
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212 bra start_block_common ; start block
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213
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214 global start_large_block
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215 start_large_block:
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216 movlw .4 ; set size encoding
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217 bra start_block_common ; start block
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218
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219 global start_huge_block
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220 start_huge_block:
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221 movlw .5 ; set size encoding
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222 ;bra start_block_common ; start block
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223
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224 start_block_common:
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225 movff WREG,font_size ; needs a bank-safe move here! (TODO: why?)
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226
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227 VARARGS_BEGIN
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228 VARARGS_GET8 win_leftx2 ; get horizontal position
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229 VARARGS_GET8 win_top ; get vertical position
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230 VARARGS_END
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231
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232 lfsr FSR2,buffer ; initialize output buffer
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233 return ; done
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234
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235 ;-----------------------------------------------------------------------------
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236
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237 END
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