changes
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.gitignore
vendored
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.gitignore
vendored
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|
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design/**/*-backups/*.zip
|
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*.lck
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||||
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*.lck
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BIN
datasheets/74HC20.pdf
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datasheets/74HC20.pdf
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3470
design/6502.bak
3470
design/6502.bak
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4739
design/74xxLogic.bak
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4739
design/74xxLogic.bak
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4739
design/74xxLogic.kicad_sym
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4739
design/74xxLogic.kicad_sym
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1691
design/arduino.bak
1691
design/arduino.bak
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File diff suppressed because it is too large
Load Diff
2
design/cpu_board/cpu_board.kicad_pcb
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2
design/cpu_board/cpu_board.kicad_pcb
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|
||||
"arduino_board"
|
||||
],
|
||||
[
|
||||
"ebd50b7c-771d-43af-8f30-908c96e17caf",
|
||||
"serial_board"
|
||||
],
|
||||
[
|
||||
"1d965ac9-0bec-4308-b34c-251844cc958f",
|
||||
"lcd_board"
|
||||
]
|
||||
],
|
||||
"text_variables": {}
|
||||
8821
design/cpu_board/cpu_board.kicad_sch
Normal file
8821
design/cpu_board/cpu_board.kicad_sch
Normal file
File diff suppressed because it is too large
Load Diff
5
design/cpu_board/sym-lib-table
Normal file
5
design/cpu_board/sym-lib-table
Normal file
@@ -0,0 +1,5 @@
|
||||
(sym_lib_table
|
||||
(version 7)
|
||||
(lib (name "6502")(type "KiCad")(uri "C:/Users/Maxime Vorwerk/Documents/source/6502/design/6502.kicad_sym")(options "")(descr ""))
|
||||
(lib (name "74xxLogic")(type "KiCad")(uri "C:/Users/Maxime Vorwerk/Documents/source/6502/design/74xxLogic.kicad_sym")(options "")(descr ""))
|
||||
)
|
||||
176765
design/fp-info-cache
176765
design/fp-info-cache
File diff suppressed because it is too large
Load Diff
@@ -1,4 +0,0 @@
|
||||
(fp_lib_table
|
||||
(version 7)
|
||||
(lib (name "Arduino")(type "KiCad")(uri "${KIPRJMOD}/arduino.pretty")(options "")(descr ""))
|
||||
)
|
||||
@@ -1,8 +0,0 @@
|
||||
(kicad_sch
|
||||
(version 20250114)
|
||||
(generator "eeschema")
|
||||
(generator_version "9.0")
|
||||
(uuid "5b260d0f-5fae-4ba4-b740-e25b9991caa6")
|
||||
(paper "A4")
|
||||
(lib_symbols)
|
||||
)
|
||||
@@ -1,8 +0,0 @@
|
||||
(kicad_sch
|
||||
(version 20250114)
|
||||
(generator "eeschema")
|
||||
(generator_version "9.0")
|
||||
(uuid "f0424923-daf9-4b59-bbc7-48543f0e6d73")
|
||||
(paper "A4")
|
||||
(lib_symbols)
|
||||
)
|
||||
@@ -1,5 +0,0 @@
|
||||
(sym_lib_table
|
||||
(version 7)
|
||||
(lib (name "6502")(type "KiCad")(uri "${KIPRJMOD}/6502.kicad_sym")(options "")(descr ""))
|
||||
(lib (name "Arduino")(type "KiCad")(uri "${KIPRJMOD}/arduino.kicad_sym")(options "")(descr ""))
|
||||
)
|
||||
@@ -1 +0,0 @@
|
||||
{"hostname":"MAXIMESPC","username":"Maxime Vorwerk"}
|
||||
@@ -6,5 +6,11 @@
|
||||
- ROM: [AT28C64B](../datasheets/AT28C64B.pdf)
|
||||
- Register: [74HC377](../datasheets/74HC_HCT377.pdf)
|
||||
|
||||
## Register
|
||||
- Address 0x5FFF/0b0101_1111_1111_1111
|
||||
- decode using [74HC20](../datasheets/74HC20.pdf), [74HC00](../datasheets/74hc00.pdf)
|
||||
- $b_{15},\dots,b_0$
|
||||
- $\overline E=\neg(b_0\land b_1\land b_2\land b_3)\land\neg(b_4\land b_5\land b_6\land b_7)\land\neg(b_8\land b_9\land b_{10}\land b_{11})\land\neg(b_{12}\land b_{14})\land (b_{13}\lor b_{15})$
|
||||
|
||||
## Timings
|
||||
- PHI2 target: 10MHz -> 100ns
|
||||
|
||||
Reference in New Issue
Block a user