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Still fiddling with bugs

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This commit is contained in:
Ross Wilson 2015-10-20 13:00:41 +07:00
parent cfa42174ee
commit 2a834ac44f
2 changed files with 1 additions and 28 deletions
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2
vimlac/Makefile
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@ -1,4 +1,4 @@
DEVFILES = cpu.o dcpu.o ptr.o ptp.o memory.o kb.o ttyin.o ttyout.o trace.o error.o log.o
DEVFILES = cpu.o dcpu.o ptr.o ptp.o memory.o kb.o ttyin.o ttyout.o trace.o error.o log.o plist.o
OFILES = vimlac.o $(DEVFILES)
#CFLAGS=-fPIC -O2 -Wall -ansi -pedantic -std=c99 -g

27
vimlac/cpu.c
View File

@ -67,26 +67,6 @@ cpu_eff_address(WORD address, bool indirect)
return address;
}
#ifdef JUNK
def cpu_eff_address(self, address, indirect):
"""Get an effective memory address.
The address can be indirect, and may be through an
auto-increment address.
"""
# the Imlac can get into infinite defer loops, and so can we!
while indirect:
if ISAUTOINC(address):
# indirect on auto-inc register, add one to it before use
self.memory[address] = MASK_MEM(self.memory[address] + 1)
address = self.memory[address]
indirect = bool(address & 0100000)
return address
#endif
/******************************************************************************
Description : Function to start the main CPU.
@ -254,13 +234,6 @@ i_JMP(bool indirect, WORD address)
return (indirect) ? 3 : 2;
}
#ifdef JUNK
address = self.memory.eff_address(address, indirect)
self.PC = address & PCMASK
Trace.itrace('JMP', indirect, address)
return 3 if indirect else 2
#endif
/******************************************************************************
Description : Emulate the DAC instruction.