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inx, dey supported.
[motonesfpga/motonesfpga.git]
/
simulation
/
cpu
/
decoder.vhd
2013-06-18
astoria-d
inx, dey supported.
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commitdiff
2013-06-18
astoria-d
abs x/y ok.
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diff to current
2013-06-18
astoria-d
- abs sta
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diff to current
2013-06-18
astoria-d
rts ok
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diff to current
2013-06-18
astoria-d
jsr ok
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2013-06-18
astoria-d
- alu out port reduced.
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diff to current
2013-06-18
astoria-d
jsr working
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diff to current
2013-06-17
astoria-d
jsr working...
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diff to current
2013-06-17
astoria-d
ldx, txs ok.
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diff to current
2013-06-17
astoria-d
status reg integrated.
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diff to current
2013-06-17
astoria-d
pc increment and carry next page with alu ok.
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diff to current
2013-06-17
astoria-d
code re-write working...
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diff to current
2013-06-16
astoria-d
all code re-write.
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diff to current
2013-06-15
astoria-d
sta, stx zp supported.
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diff to current
2013-06-15
astoria-d
jsr bug fixed
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diff to current
2013-06-15
astoria-d
- dex supported.
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diff to current
2013-06-15
astoria-d
cmp bug fix
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2013-06-15
astoria-d
- alu work started.
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diff to current
2013-06-15
astoria-d
alu preparation
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diff to current
2013-06-14
astoria-d
debug utility update
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diff to current
2013-06-14
astoria-d
- bpl supported.
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diff to current
2013-06-14
astoria-d
lda abs supported
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diff to current
2013-06-14
astoria-d
- cld/sed supported.
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2013-06-14
astoria-d
relative addressing mode and branch inst (bne) supported.
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diff to current
2013-06-13
astoria-d
code clean up
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diff to current
2013-06-13
astoria-d
inx/dey supported.
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diff to current
2013-06-13
astoria-d
code improved (abs, absx)
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diff to current
2013-06-13
astoria-d
status register reworked to support 2 cycle instructions.
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diff to current
2013-06-13
astoria-d
- sec/clc ok.
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diff to current
2013-06-12
astoria-d
addr_mode type removed.
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diff to current
2013-06-12
astoria-d
lda abs, x ok
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2013-06-12
astoria-d
- ldy
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diff to current
2013-06-12
astoria-d
- sei
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2013-06-12
astoria-d
code refactoring (still working).
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diff to current
2013-06-12
astoria-d
- exec cycle moved out from decoder.
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diff to current
2013-06-11
astoria-d
abs, x page across case ok.
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diff to current
2013-06-11
astoria-d
code refactored.
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diff to current
2013-06-11
astoria-d
effective address working.
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diff to current
2013-06-10
astoria-d
abs, x working.
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diff to current
2013-06-10
astoria-d
absx cycle 5 (page boundary crossing case) work
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diff to current
2013-06-10
astoria-d
abs, x effective address calucation working...
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diff to current
2013-06-10
astoria-d
minor fix.
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diff to current
2013-06-10
astoria-d
clean up.
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diff to current
2013-06-10
astoria-d
code clean up.
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diff to current
2013-06-09
astoria-d
ldy we pin clear
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diff to current
2013-06-09
astoria-d
ldx immediate ok.
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diff to current
2013-06-09
astoria-d
rts bug fix.
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diff to current
2013-06-09
astoria-d
- added data latch. now latch has two instances,
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diff to current
2013-06-09
astoria-d
debug util updated.
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diff to current
2013-06-09
astoria-d
- stack pop bug fixed.
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diff to current
2013-06-08
astoria-d
- stack push ok.
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diff to current
2013-06-08
astoria-d
decoder code reorganized.
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diff to current
2013-06-07
astoria-d
minor update
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diff to current
2013-06-07
astoria-d
removed not used pin in the data bus buffer.
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diff to current
2013-06-07
astoria-d
cpu to memory write ok.
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diff to current
2013-06-07
astoria-d
added tri-state buffer at the address output gate.
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diff to current
2013-06-07
astoria-d
push stack supported.
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diff to current
2013-06-06
astoria-d
jsr ok. (stack decrement is not worked...)
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diff to current
2013-06-06
astoria-d
removed addressing mode type.
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diff to current
2013-06-06
astoria-d
jmp abs ok.
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diff to current
2013-06-06
astoria-d
jmp and abs addressing working.
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diff to current
2013-06-05
astoria-d
ldx status register update ok.
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diff to current
2013-06-05
astoria-d
status register integrated into cpu.
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diff to current
2013-06-04
astoria-d
status register work started.
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diff to current
2013-06-03
astoria-d
- stack pointer added.
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diff to current
2013-06-03
astoria-d
clean up.
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diff to current
2013-06-03
astoria-d
code clean up.
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diff to current
2013-06-03
astoria-d
- input data latch added.
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diff to current
2013-06-02
astoria-d
delete old code
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diff to current
2013-06-02
astoria-d
x/y reg update timing changed.
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diff to current
2013-06-02
astoria-d
ldx immediate ok.
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diff to current
2013-06-02
astoria-d
code resutructure update
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diff to current
2013-05-31
astoria-d
pc update timing fixed.
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diff to current
2013-05-30
astoria-d
update. partially merge from simple-arch.
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diff to current
2013-05-28
astoria-d
instruction decoder working....
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diff to current
2013-05-28
astoria-d
integrated shared io data bus.
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diff to current
2013-05-27
astoria-d
reset initialize period updated. (still yet to be done)
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diff to current
2013-05-27
astoria-d
instruction decoder added.
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diff to current