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* fixed typo in usart.h and in docNao Pross2017-06-164-1/+4
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* new documentation in z80upc.pdfNao Pross2017-06-1512-96/+1022
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* add port interface header, api still to implementNao Pross2017-06-103-25/+31
| | | | | | fix for bug in usart.c, in function usart_write() that checked the trasmission_empty register at the wrong time causing it to overwrite the buffer.
* add serial interface and a few std library functionsNao Pross2017-06-0211-90/+336
| | | | | | | | | | | | changes in usart: - new functions to setup the serial comunication settings such as baudrate, parity and stop bits - init function with most common values - transmit and receive functions each with a wrapper to send data blocks changes in libc: - new file stdio.c with basic implementation of putch, printf still a prototype - new file string.c with memcpy() function
* new file coding_rules.txt to have a consistent coding styleNao Pross2017-05-031-0/+120
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* add serial device structNao Pross2017-05-026-14/+104
| | | | | | | | | other changes: - change from main() to kmain() in crt0.s and kernel.c - new file devices.h to define all address locations for devices - new data type - register_t as volatile uint8_t for registers in devices - size_t from libc
* Merge branch 'atlas' into naoprossNao Pross2017-05-021-0/+55
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| * sysio.h libc interfaceleleraffa97@hotmail.it2017-05-021-0/+0
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| * Merge remote-tracking branch 'origin/naopross' into atlasleleraffa97@hotmail.it2017-05-02171-495/+987
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* | fix for sdcc makefileNao Pross2017-05-024-32/+122
| | | | | | | | | | | | fix for the old makefile, because it could't compile more than one source file. new libc directory with mem.c to start implementing the standard C library (or at least the part we need).
* | Merge branch 'master' into naoprossNao Pross2017-05-02150-199/+276
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| * | switch to sdccNao Pross2017-05-029-101/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - update of the makefile to use sdcc, since it is more popular and it's easier to insall on other computers - fix of crt0.s (old loader.asm) for the new compiler - change of the structure in the source code folder to separate betweeen libc and kernel code
| * | Merge branch 'master' of https://github.com/NaoPross/z80uPCNao Pross2017-04-048-27/+159
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| * | | schematic completeNao Pross2017-04-04131-98/+214
| | | | | | | | | | | | | | | | | | | | | | | | hw: change address decoder chip from GAL16V8 to M4-32/32 (CPLD) change main bus connector with a custom one (intead of PC/104) start building footprint library
| * | | added iospace address decoderNao Pross2017-03-3117-12/+12
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* | | | switch from GAL (pld) to M4 32/32 CPLDNao Pross2017-04-1320-296/+621
| | | | | | | | | | | | | | | | | | | | | | | | add M4 32/32 CPLD datasheet new VHDL code with better control over the address space thanks to the M4 which has a 16 bit input port
* | | | Merge branch 'master' into naoprossNao Pross2017-03-251-0/+7
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| * | | added missing makefile for z80 and fixed gitignoreNao Pross2017-03-252-27/+54
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| * | | Git repository setupAtlas2017-03-251-0/+7
| | | | | | | | | | | | | | | | Git merge from master by atlas
| | | * Basic sys io setupleleraffa97@hotmail.it2017-05-021-0/+55
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| | | * Merge branch 'master' of github.com:NaoPross/z80uPCBuildTools2017-03-252-27/+54
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* | | | added missing makefile for z80 and fixed gitignoreNao Pross2017-03-252-27/+54
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| | * Git repository setupBuildTools2017-03-251-0/+7
| |/ |/| | | | | Git merge from master by atlas
* | created bios/kernel source code structureNao Pross2017-03-236-0/+98
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* changed scheme layoutNao Pross2017-03-23148-57/+2309
| | | | | | | | | hw: changed scheme and annotated components doc: added build script for windows sw: added res/ folder with blaster and created jedec document for address decoder pld
* hardware nearly finishedNao Pross2017-03-17377-146/+41685
| | | | | | | | | | | | | doc: added datasheets for - GAL16V8 - MAX214 - MAX232 added script to build doc under windows with miktex updated notes hw: finished i/o devices and bus viewer sw: created files for pld programming
* updated todolist; doc: keyboard stuffNao Pross2017-03-073-7/+110
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* hw: moved everything to one sheetNao Pross2017-03-06230-57/+762
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* updated todolistNao Pross2017-03-062-6/+18
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* Merge branch 'master' of https://git.thearcway.org/git/naopross/z80uPCNao Pross2017-03-0515-0/+415
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| * Merge branch 'master' of ssh://git.thearcway.org:2222/naopross/z80uPCNao Pross2017-03-0523-3/+42
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| * | sw: started to implement serial on linux sideNao Pross2017-03-053-0/+46
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| * | created docNao Pross2017-03-0512-0/+369
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* | | doc: added L7805ACV datasheet; hw: updated schemeNao Pross2017-03-056-13/+1275
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* | doc: added SG51P datasheetNao Pross2017-02-241-0/+0
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* | hw: created library project, doc: added 74LS193 datasheetNao Pross2017-02-2418-464/+5
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* | hw: created sch, doc: added uart datasheetNao Pross2017-02-246-3/+501
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* sw: copied flash tool source from gameboymodNao Pross2017-02-1411-1/+457
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* hw: created z80acpu in sch libraryNao Pross2017-02-1412-0/+1005
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* first commit, downloaded docNao Pross2017-02-147-0/+9
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