1fc9cb8a93
Now GPIO can be accessible via Apple BASIC
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POKE -16240, 255 # Set all bits of GPIO0 as output ports
POKE -16224, 255 # Output all one to GPIO0
POKE -16224, 0 # Output all zero to GPIO0
2014-12-13 03:01:38 +09:00
2d6878d2a7
Polish VRAM access to TTY TX emulation
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It assumes Apple BASIC's manner of controlling screen.
Apple BASIC may be able to work exactly like running through
a virtual terminal device.
2014-12-13 02:32:04 +09:00
35bb8b7083
Implement an experimental VRAM to TTY bridge
2014-12-11 04:29:19 +09:00
a90dca2a01
Now Apple BASIC work on LPC1114 with 2K free RAM
2014-12-11 01:19:39 +09:00
02c08505eb
Implement I/O for lpc1114
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Now Apple BASIC can run on the LPC1114 device :)
2014-12-09 04:54:33 +09:00
dd372c8a2d
Ready to implement a 6502 interpreter
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All investigation for implementation and testing were done.
Now, 6502.S can be verified on qemu-arm, and run even on LPC1114.
All I have to do is just implement the 6502 interpreter.
2014-12-05 02:43:58 +09:00
Takashi Toyoshima
Takashi Toyoshima