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implement WaitForChar #203

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implement WaitForChar #203

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cc165a4
implement WaitForChar
bebbo Mar 24, 2024
2bad53e
simpler WaitForChar
bebbo Mar 25, 2024
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11 changes: 11 additions & 0 deletions amitools/vamos/lib/DosLibrary.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import ctypes
import re
import os
import select

from amitools.vamos.machine.regs import *
from amitools.vamos.libcore import LibImpl
Expand Down Expand Up @@ -594,6 +595,16 @@ def Close(self, ctx):
self.setioerr(ctx, 0)
return self.DOSTRUE

def WaitForChar(self, ctx):
# file,timeout)(d1/d2)
fh_b_addr = ctx.cpu.r_reg(REG_D1)
fh = self.file_mgr.get_by_b_addr(fh_b_addr, False)
ms = ctx.cpu.r_reg(REG_D2)
if select.select([fh.obj], [], [], ms * 1e-3)[0]:
return self.DOSTRUE

return self.DOSFALSE

def Read(self, ctx):
fh_b_addr = ctx.cpu.r_reg(REG_D1)
buf_ptr = ctx.cpu.r_reg(REG_D2)
Expand Down
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