Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Honor TRAP exceptions in a CPU-appropriate manner

Browse source
This commit is contained in:
Jeff Parsons 2015-04-10 08:08:49 -07:00 • committed by jeffpar
commit b063387357
4 changed files with 43 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

8
modules/pcjs/lib/ram.js
View file

@ -307,13 +307,13 @@ CompaqController.MAPPINGS = {
*
* SW1-1: ON enables fail-safe timer
* SW1-2: ON indicates 80387 coprocessor installed
* SW1-3: ON sets the memory from 0xC00000 to 0xFFFFFF (between 12 megabytes and 16 megabytes) non-cacheable
* SW1-4: ON select AUTO system speed (OFF selects HIGH system speed)
* SW1-3: ON sets memory from 0xC00000 to 0xFFFFFF (between 12 and 16 megabytes) non-cacheable
* SW1-4: ON selects AUTO system speed (OFF selects HIGH system speed)
* SW1-5: RESERVED (however, the system can read its state; see below)
* SW1-6: Compaq Dual-Mode Monitor or Color Monitor (OFF selects Monochrome monitor other than Compaq)
*
* While SW1-7 and SW1-8 are connected to this memory-mapped register, other SW1 DIP switches are accessible through
* the 8042 Keyboard Controller KBC.INPORT register, as follows:
* While SW1-7 and SW1-8 are connected to this memory-mapped register, other SW1 DIP switches are accessible
* through the 8042 Keyboard Controller's KBC.INPORT register, as follows:
*
* SW1-1: TODO: Determine
* SW1-2: ChipSet.KBC.INPORT.COMPAQ_NO80387 clear if ON, set (0x04) if OFF