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Added another example of an I/O address handler (XCSR)

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Jeff 2016-09-25 15:15:06 -07:00 • committed by Jeff Parsons
commit a451bbc5bc
6 changed files with 391 additions and 334 deletions
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18
modules/pdp11/lib/defines.js
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@ -234,8 +234,7 @@ var PDP11 = {
*/
WRITE: {
NORMAL: 0x0, // write byte or word normally
ZERO: 0x1, // zero byte or word
SIGNEXT: 0x2 // sign-extend a byte to a word
SIGNEXT: 0x1 // sign-extend a byte to a word
},
CPUERR: {
RED: 0x0004, // red zone stack limit
@ -307,6 +306,10 @@ var PDP11 = {
SIZE_HI: 0o177762, // Upper Size Register (always zero) (11/70 only?)
SIZE_LO: 0o177760, // Lower Size Register (last 32-word block) (11/70 only?)
DISPLAY: 0o177570, // Console Switch and Display
XBUF: 0o177566, // Console Terminal: Transmitter Data Buffer Register
XCSR: 0o177564, // Console Terminal: Transmitter Status Register
RBUF: 0o177562, // Console Terminal: Receiver Data Buffer Register
RCSR: 0o177560, // Console Terminal: Receiver Status Register
MMR0: 0o177572, // 777572 17777572
MMR1: 0o177574, // 777574 17777574
MMR2: 0o177576, // 777576 17777576
@ -407,6 +410,17 @@ var PDP11 = {
KDSAR5: 0o172372, // Kernel D Space Address Register 5
KDSAR6: 0o172374, // Kernel D Space Address Register 6
KDSAR7: 0o172376, // Kernel D Space Address Register 7
},
DL11: {
DELAY: 8,
PRI: 4,
VEC: 0o64,
XCSR: {
READY: 0x80, // Transmitter Ready (read-only)
INT_ENABLE: 0x40, // Transmitter Interrupt Enable (read-write)
MAINT: 0x04, // Maintenance (read-write)
BREAK: 0x01 // BREAK (read-write)
}
}
};