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https://gitlab.os-k.eu/os-k-team/kvisc.git
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51 lines
697 B
Plaintext
51 lines
697 B
Plaintext
; The OS/K Team licenses this file to you under the MIT license.
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; See the LICENSE file in the project root for more information.
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;
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; int putc(int ch)
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;
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putc:
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prn ax0
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mov rax, zero
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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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add ax3, rsp, 8
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jmp doprnt
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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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add ax3, rsp, 8
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jmp doprnt
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;
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; Print a string
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;
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print:
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mov rcx, STRLEN_MAX
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b.z b[ax0], zero, .1
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prns.rep.nz ax0
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.1:
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ret
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;
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; Print exactly ax1 characters
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;
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print_n:
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mov rcx, ax1
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b.z b[ax0], zero, .1
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prns.rep.nz ax0
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.1:
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ret
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