log src/cpu.c @ 59:b15187a99d6f default tip

age author description
Wed, 31 Aug 2016 22:40:17 -0700 Michael Pavone Fix some bugs in memory access related to the changes for teh 23-bit address space
Tue, 30 Aug 2016 21:27:33 -0700 Michael Pavone Implement push and pop
Tue, 30 Aug 2016 20:50:54 -0700 Michael Pavone Rework data segment setup to allow a stack segment and to add space for push and pop instructions
Sat, 27 Aug 2016 22:38:31 -0700 Michael Pavone Changed the design to vastly simplify the video hardware and support a 23-bit address space on the CPU
Sun, 03 Apr 2016 21:27:03 -0700 Michael Pavone Fix call instruction for the case in which A reg == DST reg
Fri, 01 Apr 2016 21:34:38 -0700 Michael Pavone Implemented vblank interrupts and fixed a bug in exception vector address calculation
Thu, 31 Mar 2016 23:25:52 -0700 Michael Pavone Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file