Volex TTX2000 S Issue 1.2 | Routines |
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Used by the routine at telesoftware_main.
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telesoftware_number | 1F98 | CALL clear_page_number | Clear page number display. | |
1F9B | LD A,$01 | Det ignore_packets_flag. | ||
1F9D | LD (ignore_packets_flag),A | |||
1FA0 | LD HL,(page_display_buffer_pointer) | Load address of page display buffer into HL. | ||
1FA3 | LD (HL),$54 | Erite 'T' character to first byte of page display buffer. | ||
1FA5 | CALL display_header_row | Update page number display. | ||
telesoftware_number_0 | 1FA8 | CALL get_dec_digit | Get a keypress in the range 0-9. | |
1FAB | AND $0F | Convert to integer. | ||
1FAD | JR Z,telesoftware_number_0 | If number is 0 or greater than 8 loop back and get another keypress. | ||
1FAF | CP $09 | |||
1FB1 | JR NC,telesoftware_number_0 | |||
1FB3 | CP $08 | If number is 8 change it to 0. | ||
1FB5 | JR NZ,telesoftware_number_1 | |||
1FB7 | XOR A | |||
telesoftware_number_1 | 1FB8 | LD (magazine_number),A | Store number in magazine_number. | |
1FBB | OR $30 | Convert integer back to a character. | ||
1FBD | CP $30 | If character is '0' change it to '8'. | ||
1FBF | JR NZ,telesoftware_number_2 | |||
1FC1 | LD A,$38 | |||
telesoftware_number_2 | 1FC3 | INC HL | Write character to next byte in page display buffer. | |
1FC4 | LD (HL),A | |||
1FC5 | CALL display_header_row | Update page number display. | ||
1FC8 | CALL get_dec_digit | Get a keypress in the range 0-9. | ||
1FCB | INC HL | Write key code to next byte in page display buffer. | ||
1FCC | LD (HL),A | |||
1FCD | AND $0F | Convert to integer and store in page_tens. | ||
1FCF | LD (page_tens),A | |||
1FD2 | CALL display_header_row | Update page number display. | ||
1FD5 | CALL get_dec_digit | Get a keypress in the range 0-9. | ||
1FD8 | INC HL | Write key code to next byte in page display buffer. | ||
1FD9 | LD (HL),A | |||
1FDA | AND $0F | Convert to integer and store in page_units. | ||
1FDC | LD (page_units),A | |||
1FDF | CALL display_header_row | Update page number display. | ||
1FE2 | XOR A | Clear subpage_search_flag and return. | ||
1FE3 | LD (subpage_search_flag),A | |||
1FE6 | RET |
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