blondie7575
blondie7575
/ gist:5183707
Created
March 17, 2013 21:21
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| ; Name: romImage.s | |
| ; Author: Quinn Dunki | |
| ; Copyright: ©2012 Quinn Dunki | |
| ; License: All Rights Reserved | |
| ; | |
| ; 6052 code for Veronica's main system ROM | |
| ; For details, see http://www.quinndunki.com/blondihacks | |
| ; | |
| ; Zero Page: | |
| ; $00..$01: Subroutine parameter 1 |
blondie7575
/ gist:5148152
Created
March 12, 2013 23:49
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| ; Name: VeronicaROM.s | |
| ; Author: Quinn Dunki | |
| ; Copyright: ©2012 Quinn Dunki | |
| ; License: All Rights Reserved | |
| ; | |
| ; 6052 code for Veronica's main system ROM | |
| ; For details, see http://www.quinndunki.com/blondihacks | |
| ; | |
| ; Zero Page: | |
| ; $00..$01: Subroutine parameter 1 |
blondie7575
/ gist:5148089
Created
March 12, 2013 23:36
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| # Makefile | |
| # | |
| # | |
| DEVICE = attiny85 | |
| CLOCK = 8000000UL | |
| PROGRAMMER = -c usbtiny | |
| OBJECTS = main.o | |
| ROMBASE = 0xf000 | |
| FUSES = -U lfuse:w:0xe2:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m |
blondie7575
/ gist:5148075
Created
March 12, 2013 23:33
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| 0xa9,0x01,0x8d,0xff,0xef,0xa9,0x00,0x8d,0xff,0xef, | |
| 0xa9,0x00,0x85,0x00,0xa9,0x02,0x85,0x01,0xa0,0x00, | |
| 0xa9,0x42,0x91,0x00,0xa9,0x00,0xb1,0x00,0xc9,0x42, | |
| 0xf0,0x0d,0xa9,0x03,0x8d,0xff,0xef,0xa9,0x58,0x8d, | |
| 0xff,0xef,0x4c,0x37,0xf0,0xa9,0x03,0x8d,0xff,0xef, | |
| 0xa9,0x4f,0x8d,0xff,0xef,0xe6,0x00,0xd0,0x02,0xe6, | |
| 0x01,0xa5,0x01,0xc9,0xdf,0xd0,0xcf,0xa5,0x00,0xc9, | |
| 0xff,0xd0,0xc9,0x4c,0x66,0xf0,0xa9,0x01,0x8d,0xff, | |
| 0xef,0xa9,0x24,0x8d,0xff,0xef,0x4c,0x66,0xf0,0xa9, | |
| 0x01,0x8d,0xff,0xef,0xa9,0x30,0x8d,0xff,0xef,0x4c, |
blondie7575
/ gist:5148057
Created
March 12, 2013 23:30
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| /* Name: rom.c | |
| * Author: Quinn Dunki | |
| * Copyright: ©2012 Quinn Dunki | |
| * License: All Rights Reserved | |
| * | |
| * ROM image for Veronica | |
| * For details, see http://www.quinndunki.com/blondihacks | |
| */ | |
blondie7575
/ gist:5147987
Created
March 12, 2013 23:17
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| /* Name: main.c | |
| * Author: Quinn Dunki | |
| * Copyright: ©2012 Quinn Dunki | |
| * License: All Rights Reserved | |
| * | |
| * ATtiny13A code to program an SRAM chip or EEPROM | |
| * For details, see http://www.quinndunki.com/blondihacks | |
| */ | |
blondie7575
/ gist:5053153
Created
February 28, 2013 00:20
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| ///////////////// | |
| // Plot a single character | |
| // | |
| // Parameter: The ASCII value to plot | |
| // | |
| renderPlotChar: | |
| // Take control of VRAM | |
| EnableVRAMWrite |
blondie7575
/ gist:5053109
Created
February 28, 2013 00:13
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| mainloop: | |
| // Wait for VBL to process commands | |
| sbrs VBL,2 // Bit 2 of VBL register is our rendering window | |
| rjmp mainloop | |
| // Poll the FIFO to see if there's a command pending | |
| in accum,PINB | |
| sbrs accum,fifoReady | |
| rjmp mainloop |
blondie7575
/ gist:5053074
Created
February 28, 2013 00:07
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| // Frame, VSync, VBL, VRAMH | |
| scanLines: | |
| .byte 0,1,7,0x00 // 00 | |
| .byte 0,1,7,0x00 | |
| .byte 0,0,7,0x00 | |
| .byte 0,0,7,0x00 | |
| .byte 0,0,7,0x00 | |
| .byte 0,0,7,0x00 | |
| .byte 0,0,7,0x00 |
blondie7575
/ gist:4958420
Created
February 15, 2013 03:40
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| mainloop: | |
| // Wait for VBL to process commands | |
| sbrs VBL,0 | |
| rjmp mainloop | |
| // See if there's a command pending | |
| lds regS,CMDBUFFER_S | |
| lds regT,CMDBUFFER_E |