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First pass at emulating a vscroll latch. Titan's Overdrive demo seems to depend on the scroll value being latched early in the line before the HINT gets a chance to change it
author Michael Pavone <pavone@retrodev.com>
date Sat, 16 May 2015 23:04:57 -0700
parents 7ed1dbb48f61
children
line wrap: on
line source



invalid_msg:
	.asciz "Invalid instruction at %X\n"

	.global m68k_invalid
m68k_invalid:
	lea invalid_msg(%rip), %rdi
	mov %ecx, %esi
	xor %rax, %rax
	call printf
	mov $1, %rdi
	call exit