2019-05-30 12:44:56 +02:00
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; The OS/K Team licenses this file to you under the MIT license.
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2019-05-29 19:05:06 +02:00
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; See the LICENSE file in the project root for more information.
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2019-05-22 18:39:46 +02:00
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2019-05-29 18:26:28 +02:00
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;
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2019-06-17 20:59:30 +02:00
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; int putc(int ch)
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2019-05-29 18:26:28 +02:00
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;
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2019-06-17 20:59:30 +02:00
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putc:
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prn ax0
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2019-09-07 16:45:03 +02:00
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nul eax
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2019-06-17 20:59:30 +02:00
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ret
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;
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; int printf(const char *fmt, ...)
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;
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printf:
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mov ax2, ax0
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mov ax0, putc
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mov ax1, STRLEN_MAX
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2019-09-07 16:45:03 +02:00
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add ax3, esp, 8
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2019-06-19 13:50:53 +02:00
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jmp doprnt
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2019-05-29 18:26:28 +02:00
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2019-07-01 13:16:17 +02:00
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;
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; int nprintf(const char *fmt, int n, ...)
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;
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nprintf:
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mov ax2, ax0
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mov ax0, putc
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2019-09-07 16:45:03 +02:00
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add ax3, esp, 8
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2019-07-01 13:16:17 +02:00
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jmp doprnt
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2019-05-29 18:26:28 +02:00
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;
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; Print a string
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2019-09-07 16:45:03 +02:00
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; Guaranteed to only affect ecx and ax0
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2019-05-29 18:26:28 +02:00
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;
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2019-05-29 16:57:22 +02:00
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print:
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2019-08-14 09:52:39 +02:00
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.l:
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2019-09-07 16:45:03 +02:00
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movzx eax, b[ax0]
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2019-09-08 19:04:07 +02:00
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jeaxz .r
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2019-08-14 09:52:39 +02:00
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2019-09-07 16:45:03 +02:00
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prn eax
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2019-08-21 16:57:32 +02:00
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inc ax0
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2019-08-14 09:52:39 +02:00
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jmp .l
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.r:
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2019-05-29 16:57:22 +02:00
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ret
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2019-05-29 18:26:28 +02:00
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;
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; Print exactly ax1 characters
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;
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2019-08-03 19:01:12 +02:00
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nprint:
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2019-09-07 16:45:03 +02:00
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mov ecx, ax1
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2019-09-08 19:04:07 +02:00
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jecxz .r
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2019-08-14 09:52:39 +02:00
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.l:
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prn b[ax0]
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2019-08-21 16:57:32 +02:00
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inc ax0
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2019-08-14 09:52:39 +02:00
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loop .l
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2019-09-03 09:06:58 +02:00
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2019-08-14 09:52:39 +02:00
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.r:
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2019-05-22 18:39:46 +02:00
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ret
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