| 1 | /*
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| 2 | =============================================================================
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| 3 | vputs.c -- video display string put functions
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| 4 | Version 2 -- 1987-03-30 -- D.N. Lynx Crowe
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| 5 | (c) Copyright 1987 -- D.N. Lynx Crowe
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| 6 |
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| 7 | These functions drive the video character write function vputc()
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| 8 | which puts characters into a 82716 video RAM character object.
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| 9 |
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| 10 | Full attribute format is assumed.
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| 11 | =============================================================================
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| 12 | */
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| 13 |
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| 14 | #include "ram.h"
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| 15 |
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| 16 | /*
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| 17 | =============================================================================
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| 18 | vputs(obase, row, col, str, attrib)
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| 19 |
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| 20 | Write string str to video RAM object pointed to by obase
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| 21 | at (row,col) with attr used for all characters.
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| 22 | =============================================================================
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| 23 | */
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| 24 |
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| 25 | void vputs(volatile uint16_t *obase, int16_t row, int16_t col, int8_t *str, uint16_t attr)
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| 26 | {
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| 27 | int16_t c;
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| 28 |
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| 29 | while ((c = *str++)) {
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| 30 |
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| 31 | vputc(obase, row, col, c, attr);
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| 32 |
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| 33 | if (++col GE 64) {
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| 34 |
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| 35 | col = 0;
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| 36 |
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| 37 | if (++row GE 25)
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| 38 | row = 0;
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| 39 | }
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| 40 | }
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| 41 | }
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| 42 |
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| 43 | /*
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| 44 | =============================================================================
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| 45 | vputsa(obase, row, col, str, attrib)
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| 46 |
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| 47 | Write string str in video RAM pointed to by obase starting
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| 48 | at (row, col) using attributes from the words pointed to by attr.
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| 49 | =============================================================================
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| 50 | */
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| 51 |
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| 52 | void vputsa(volatile uint16_t *obase, int16_t row, int16_t col, int8_t *str, uint16_t *attr)
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| 53 | {
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| 54 | int16_t c;
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| 55 |
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| 56 | while ((c = *str++)) {
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| 57 |
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| 58 | vputc(obase, row, col, c, *attr++);
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| 59 |
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| 60 | if (++col GE 64) {
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| 61 |
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| 62 | col = 0;
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| 63 |
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| 64 | if (++row GE 25)
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| 65 | row = 0;
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| 66 | }
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| 67 | }
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| 68 | }
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| 69 |
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