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abs, x working.
2013-06-10
astoria-d
abs, x working.
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2013-06-10
astoria-d
absx cycle 5 (page boundary crossing case) work
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2013-06-10
astoria-d
alu added.
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2013-06-10
astoria-d
abs, x effective address calucation working...
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2013-06-10
astoria-d
removed alu directory
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2013-06-10
astoria-d
minor fix.
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2013-06-10
astoria-d
clean up.
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2013-06-10
astoria-d
code clean up.
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2013-06-09
astoria-d
ldy we pin clear
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2013-06-09
astoria-d
ldx immediate ok.
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2013-06-09
astoria-d
rts bug fix.
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2013-06-09
astoria-d
- added data latch. now latch has two instances,
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2013-06-09
astoria-d
- accumulator added.
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2013-06-09
astoria-d
debug util updated.
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2013-06-09
astoria-d
- stack pop bug fixed.
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2013-06-08
astoria-d
code clean up.
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commitdiff
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tree
2013-06-08
astoria-d
minor fix.
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tree
2013-06-08
astoria-d
- stack push ok.
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2013-06-08
astoria-d
decoder code reorganized.
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2013-06-07
astoria-d
minor update
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tree
2013-06-07
astoria-d
removed not used pin in the data bus buffer.
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2013-06-07
astoria-d
cpu to memory write ok.
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2013-06-07
astoria-d
added tri-state buffer at the address output gate.
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2013-06-07
astoria-d
push stack supported.
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2013-06-06
astoria-d
jsr ok. (stack decrement is not worked...)
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2013-06-06
astoria-d
removed addressing mode type.
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2013-06-06
astoria-d
jmp abs ok.
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2013-06-06
astoria-d
jmp and abs addressing working.
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2013-06-05
astoria-d
ldx status register update ok.
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2013-06-05
astoria-d
status register improved.
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tree
2013-06-05
astoria-d
status register integrated into cpu.
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tree
2013-06-05
astoria-d
- status register behavior ok.
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2013-06-05
astoria-d
status register working...
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tree
2013-06-04
astoria-d
status register work started.
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tree
2013-06-03
astoria-d
pc increment page boundary bug fixed.
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2013-06-03
astoria-d
- stack pointer added.
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2013-06-03
astoria-d
clean up.
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tree
2013-06-03
astoria-d
code clean up.
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tree
2013-06-03
astoria-d
- input data latch added.
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2013-06-02
astoria-d
delete old code
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2013-06-02
astoria-d
x/y reg update timing changed.
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2013-06-02
astoria-d
ldx immediate ok.
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2013-06-02
astoria-d
code resutructure update
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2013-05-31
astoria-d
removed.
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2013-05-31
astoria-d
pc update timing fixed.
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2013-05-30
astoria-d
update. partially merge from simple-arch.
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2013-05-30
astoria-d
merged from simplified-arch.
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2013-05-28
astoria-d
instruction decoder working....
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2013-05-28
astoria-d
integrated shared io data bus.
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2013-05-28
astoria-d
data bus unified.
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2013-05-28
astoria-d
ram data line unified to shared i/o bus.
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2013-05-28
astoria-d
reduced objects in the Makefile
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2013-05-27
astoria-d
reset initialize period updated. (still yet to be done)
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2013-05-27
astoria-d
instruction decoder added.
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2013-05-27
astoria-d
rom data from read from .nes file.
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2013-05-26
astoria-d
program counter added.
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2013-05-26
astoria-d
mos6502 work start
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2013-05-25
astoria-d
write timing updated.
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2013-05-24
astoria-d
io timing changed.
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2013-05-23
astoria-d
test update.
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2013-05-23
astoria-d
cpu board integrated.
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2013-05-23
astoria-d
cpu write timing changed.
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2013-05-23
astoria-d
ram timing changed.
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2013-05-23
astoria-d
added main circuit motones_sim.
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2013-05-23
astoria-d
clock generator cuicuit added.
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2013-05-23
astoria-d
motones_sim virtual circuit board empty code added.
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2013-05-22
astoria-d
memory timing and bus controller updated.
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2013-05-22
astoria-d
rom/ram read/write timing modfied.
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2013-05-21
astoria-d
update.
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tree
2013-05-21
astoria-d
output 'Z' when invalid bus address.
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2013-05-21
astoria-d
build order changed.
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2013-05-21
astoria-d
added root Makefile.
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2013-05-21
astoria-d
change select pins to active low.
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2013-05-21
astoria-d
makefile and code updates.
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2013-05-21
astoria-d
Make rule updated.
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2013-05-20
astoria-d
ram test added.
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2013-05-20
astoria-d
ram created
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2013-05-20
astoria-d
prg rom created.
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2013-05-15
astoria-d
regn test update
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2013-05-15
astoria-d
reg testbench updated.
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2013-05-15
astoria-d
register added.
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2013-05-15
astoria-d
deleted binary.
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2013-05-15
astoria-d
cpu register circuit prepared.
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2013-05-15
astoria-d
alu sencsitivity list modified.
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2013-05-14
astoria-d
adc renamed.
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2013-05-14
astoria-d
adc test added.
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2013-05-14
astoria-d
alu changed to use sequential statement.
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2013-05-13
astoria-d
alu integrated.
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commitdiff
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2013-05-12
astoria-d
structurte >> rtl
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2013-05-11
astoria-d
alu circuit work started.
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2013-05-11
astoria-d
testbench updated.
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commitdiff
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2013-05-10
astoria-d
test modified.
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tree
2013-05-10
astoria-d
adc calcuration ok
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commitdiff
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tree
2013-05-08
astoria-d
start working on cpu simulation
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2013-05-07
astoria-d
test
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commitdiff
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tree
2013-05-07
astoria-d
8 bit adder test bench ok
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commitdiff
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2013-05-05
astoria-d
8-bit adder
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commitdiff
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tree
2013-05-05
astoria-d
clean up
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2013-05-05
astoria-d
full adder ok
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2013-05-04
astoria-d
removed
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