[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | printf.c -- printf function
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| 4 | Version 6 -- 1987-08-13 -- D.N. Lynx Crowe
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| 5 |
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| 6 | RECOVERED From: Version 5 -- 1987-06-16 -- D.N. Lynx Crowe
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| 7 |
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| 8 | "Crufty code" Warning:
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| 9 | Since this isn't Unix(tm), we prepend a '\r' when we see a '\n'.
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| 10 | We also return a long, since this is a 32 bit address machine.
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| 11 | (Well, almost 32 bits. Too big for an Alcyon 16 bit int anyway.)
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| 12 | =============================================================================
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| 13 | */
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| 14 |
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[b28a12e] | 15 | #include "ram.h"
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[f40a309] | 16 |
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[b28a12e] | 17 | static int16_t fpsub(int16_t c);
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[df097bf] | 18 |
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[f40a309] | 19 | /*
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| 20 | =============================================================================
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| 21 | printf(fmt, args) -- output 'args' according to 'fmt' on CON_DEV
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| 22 | =============================================================================
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| 23 | */
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| 24 |
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[7258c6a] | 25 | int32_t printf(int8_t *fmt, ...)
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[f40a309] | 26 | {
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[7258c6a] | 27 | register int32_t count;
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[f40a309] | 28 | va_list aptr;
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| 29 |
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[bfc0072] | 30 | va_start(aptr, fmt);
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[f40a309] | 31 | count = dofmt_(fpsub, fmt, aptr);
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| 32 | va_end(aptr);
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| 33 | return(count);
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| 34 | }
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| 35 |
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| 36 | /*
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| 37 | =============================================================================
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| 38 | fpsub(c) -- output 'c' to CON_DEV
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| 39 | =============================================================================
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| 40 | */
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| 41 |
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[7258c6a] | 42 | static int16_t fpsub(int16_t c)
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[f40a309] | 43 | {
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| 44 | /* KLUDGE: since we aren't Unix(tm) we prepend a CR to LF's */
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| 45 |
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| 46 | if (c EQ '\n')
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| 47 | BIOS(B_PUTC, CON_DEV, '\r');
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| 48 |
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| 49 | BIOS(B_PUTC, CON_DEV, c);
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| 50 | return(c);
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| 51 | }
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[6262b5c] | 52 |
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