2019-04-20 23:02:35 +02:00
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cpu 8086
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2019-09-08 03:04:01 +02:00
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org 0x0100
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2019-09-06 00:24:39 +02:00
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push cs
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pop es
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mov di, isr_dos_main
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mov ax, 0x21
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call intr_register
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.loop:
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mov ah, 0x01
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int 0x21
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jmp .loop
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2019-09-03 12:58:06 +02:00
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2019-08-31 00:18:05 +02:00
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cli
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2019-04-29 00:01:30 +02:00
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.halt:
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hlt
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jmp .halt
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2019-04-20 23:02:35 +02:00
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2019-09-06 00:24:39 +02:00
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isr_dos_main:
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cmp ah, 0x01
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je isr_getc
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cmp ah, 0x02
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je isr_putc
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isr_error:
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push bp
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mov bp, sp
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; set carry flag
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or WORD [SS:BP+6], 1
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pop bp
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isr_return:
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iret
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2019-09-03 12:58:06 +02:00
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%include "intr.asm"
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%include "drvtab.asm"
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2019-09-06 00:24:39 +02:00
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%include "chario.asm"
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2019-09-08 03:04:01 +02:00
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times 1000 db 0xEA
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