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Some corrections as to what features are available on the 11/40 vs. 11/45

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This commit is contained in:
Jeff Parsons 2016-12-31 11:23:25 -08:00 • committed by Jeff Parsons
commit dd628148ef
8 changed files with 396 additions and 367 deletions
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16
modules/pdp11/lib/cpustate.js
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@ -154,10 +154,14 @@ class CPUStatePDP11 extends CPUPDP11 {
this.pswUsed = ~(PDP11.PSW.UNUSED | PDP11.PSW.REGSET | PDP11.PSW.PMODE | PDP11.PSW.CMODE) & 0xffff;
this.pswRegSet = 0;
} else {
this.decode = PDP11.op1145.bind(this);
this.checkStackLimit = this.checkStackLimit1145;
this.pswUsed = ~(PDP11.PSW.UNUSED | (this.model < PDP11.MODEL_1145? PDP11.PSW.REGSET : 0)) & 0xffff;
this.pswRegSet = (this.model >= PDP11.MODEL_1145? PDP11.PSW.REGSET : 0);
this.decode = PDP11.op1140.bind(this);
this.checkStackLimit = this.checkStackLimit1140;
/*
* The alternate register set (REGSET) doesn't exist on the 11/20 or 11/40; it's available on the 11/45 and 11/70.
* Ditto for separate I/D spaces, SUPER mode, and the instructions MFPD, MTPD, and SPL.
*/
this.pswUsed = ~(PDP11.PSW.UNUSED | (this.model <= PDP11.MODEL_1140? PDP11.PSW.REGSET : 0)) & 0xffff;
this.pswRegSet = (this.model > PDP11.MODEL_1140? PDP11.PSW.REGSET : 0);
}
this.nDisableTraps = 0;
@ -2146,14 +2150,14 @@ class CPUStatePDP11 extends CPUPDP11 {
}
/**
* checkStackLimit1145(access, step, addr)
* checkStackLimit1140(access, step, addr)
*
* @this {CPUStatePDP11}
* @param {number} access
* @param {number} step
* @param {number} addr
*/
checkStackLimit1145(access, step, addr)
checkStackLimit1140(access, step, addr)
{
if (!this.pswMode) {
/*