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Groundwork laid for upcoming BACKTRACK support

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Jeff Parsons 2014-12-23 16:02:41 -08:00 • committed by jeffpar
commit 2034428e9f
17 changed files with 5524 additions and 3147 deletions
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6
modules/pcjs/lib/video.js
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@ -1140,9 +1140,9 @@ if (DEBUGGER) Card.GRC.REGS = ["SRESET","ESRESET","COLRCMP","DATAROT","READMAP",
* we rely on the Memory object's "this.controller" property to give us access to the Card's state.
*
* And we take a little extra time to conditionally set fDirty on writes, meaning if a write did not actually
* change the value of the memory, we will not set fDirty. The default write functions in mem.js don't take that
* performance hit, but here, it may be worthwhile, because if it results in fewer dirty blocks, display updates
* may be faster.
* change the value of the memory, we will not set fDirty. The default write functions in memory.js don't take
* that performance hit, but here, it may be worthwhile, because if it results in fewer dirty blocks, display
* updates may be faster.
*
* Note that we don't have to worry about dealing with word accesses that straddle block boundaries, because
* the Bus component automatically breaks those accesses into separate byte requests. Similarly, byte and word