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 <stddefs.h>
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15 |
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16 | extern void vputc(uint16_t *sbase, uint16_t row, uint16_t col, uint16_t c, uint16_t attrib);
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17 |
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18 | /*
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19 | =============================================================================
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20 | vputs(sbase, row, col, str, attrib)
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21 |
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22 | Write string str to video RAM object pointed to by sbase
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23 | at (row,col) with attrib used for all characters.
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24 | =============================================================================
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25 | */
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26 |
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27 | void vputs(uint16_t *sbase, uint16_t row, uint16_t col, uint16_t attrib, int8_t *str)
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28 | {
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29 | uint16_t c;
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30 |
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31 | while (c = *str++) {
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32 |
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33 | vputc(sbase, row, col, c, attrib);
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34 |
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35 | if (++col GE 64) {
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36 |
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37 | col = 0;
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38 |
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39 | if (++row GE 25)
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40 | row = 0;
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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 | /* |
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46 | */
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47 |
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48 | /*
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49 | =============================================================================
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50 | vputsa(sbase, row, col, str, attrib)
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51 |
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52 | Write string str in video RAM pointed to by sbase starting
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53 | at (row, col) using attributes from the words pointed to by attrib.
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54 | =============================================================================
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55 | */
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56 |
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57 | void vputsa(uint16_t *sbase, uint16_t row, uint16_t col, uint16_t *attrib, int8_t *str)
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58 | {
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59 | uint16_t c;
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60 |
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61 | while (c = *str++) {
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62 |
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63 | vputc(sbase, row, col, c, *attrib++);
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64 |
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65 | if (++col GE 64) {
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66 |
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67 | col = 0;
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68 |
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69 | if (++row GE 25)
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70 | row = 0;
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71 | }
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72 | }
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73 | }
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