45 lines
864 B
Plaintext
45 lines
864 B
Plaintext
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https://www.jmeiners.com/lc3-vm/
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https://www.jmeiners.com/lc3-vm/supplies/lc3-isa.pdf
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https://www.rodrigoaraujo.me/posts/lets-build-an-lc-3-virtual-machine/
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[x] opcode enum
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[x] register getter/setter
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[x] condition flags enum
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[x] function to update the condition flags based on a register
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[x] memory getter/setter
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[x] read file as big-endian 2-byte instructions into memory
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[x] fetch-execute loop
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[x] implement execute
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[x] function: get opcode from instruction
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[x] match opcode to function
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[x] implement opcodes
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[x] LEA
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[x] ADD (reg)
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[x] ADD (immediate)
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[x] AND (reg)
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[x] AND (immediate)
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[x] BR
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[x] JMP
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[x] JSR
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[x] JSRR
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[x] LD
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[x] LDI
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[x] LDR
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[x] LEA
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[x] NOT
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[x] RET
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[!] RTI
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[x] ST
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[x] STI
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[x] STR
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[x] TRAP (see jmeiners article)
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[x] getc
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[x] out
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[x] puts
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[x] in
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[x] putsp
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[x] halt
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[x] keyboard mem-mapped i/o
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[x] KBSR
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[x] KBDR
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