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PDP-11/20 test machine can load BASIC from paper tape, but still has some trouble running it

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This commit is contained in:
Jeff Parsons 2016-10-18 15:44:26 -07:00 • committed by Jeff Parsons
commit 16b8b59f12
14 changed files with 383 additions and 274 deletions
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10
modules/pdp11/lib/defines.js
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@ -425,8 +425,10 @@ var PDP11 = {
LKS: 0o177546, // KW11-L Clock Status
PRS: 0o177550, // PC11/PR11 Reader Status Register
PRB: 0o177552, // PC11/PR11 Reader Buffer Register
PRS: 0o177550, // PC11 (and PR11) Reader Status Register
PRB: 0o177552, // PC11 (and PR11) Reader Buffer Register
PPS: 0o177554, // PC11 Punch Status Register
PPB: 0o177556, // PC11 Punch Buffer Register
RCSR: 0o177560, // Display Terminal: Receiver Status Register
RBUF: 0o177562, // Display Terminal: Receiver Data Buffer Register
@ -511,6 +513,9 @@ var PDP11 = {
PSW: 0o177776 // 777776 17777776 0x3FFFFE Processor Status Word
},
PC11: { // High Speed Reader & Punch (PR11 is a Reader-only unit)
PRI: 4, // NOTE: reader has precedence over punch
RVEC: 0o70, // reader vector
PVEC: 0o74, // punch vector
PRS: {
RE: 0x0001, // Reader Enable (W/O)
RIE: 0x0040, // Reader Interrupt Enable (allows the DONE and ERROR bits to trigger an interrupt)
@ -518,6 +523,7 @@ var PDP11 = {
BUSY: 0x0800, // Busy (R/O)
ERROR: 0x8000, // Error (R/O)
CLEAR: 0x08C0, // bits cleared on INIT
RMASK: 0xFFFE, // bits readable (TODO: All I know for sure is that bit 0 is NOT readable; see PC11.readPRS())
WMASK: 0x0041 // bits writable
},
PRB: {