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folkert van heusden 2022-03-26 15:31:48 +01:00
parent 392a2ed696
commit 70d7b58d43
1 changed files with 7 additions and 0 deletions
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7
bus.cpp
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@ -317,6 +317,8 @@ uint16_t bus::read(const uint16_t a, const bool word_mode, const bool use_prev)
c->schedule_trap(04); // invalid address c->schedule_trap(04); // invalid address
} }
D(fprintf(stderr, "BUS read from %o (pages: %o, run mode %d, apf %d)\n", m_offset, pages[run_mode][apf].par, run_mode, apf);)
if (word_mode) if (word_mode)
temp = m -> readByte(m_offset); temp = m -> readByte(m_offset);
else else
@ -476,6 +478,7 @@ uint16_t bus::write(const uint16_t a, const bool word_mode, uint16_t value, cons
} }
/// MMU /// /// MMU ///
// supervisor
if (a >= 0172200 && a < 0172220) { if (a >= 0172200 && a < 0172220) {
uint16_t t = pages[001][((a & 017) >> 1)].pdr = value; uint16_t t = pages[001][((a & 017) >> 1)].pdr = value;
D(fprintf(stderr, "write supervisor I PDR for %d: %o\n", (a & 017) >> 1, t);) D(fprintf(stderr, "write supervisor I PDR for %d: %o\n", (a & 017) >> 1, t);)
@ -497,6 +500,7 @@ uint16_t bus::write(const uint16_t a, const bool word_mode, uint16_t value, cons
return t; return t;
} }
// kernel
if (a >= 0172300 && a < 0172320) { if (a >= 0172300 && a < 0172320) {
uint16_t t = pages[000][((a & 017) >> 1)].pdr = value; uint16_t t = pages[000][((a & 017) >> 1)].pdr = value;
D(fprintf(stderr, "write kernel I PDR for %d: %o\n", (a & 017) >> 1, t);) D(fprintf(stderr, "write kernel I PDR for %d: %o\n", (a & 017) >> 1, t);)
@ -518,6 +522,7 @@ uint16_t bus::write(const uint16_t a, const bool word_mode, uint16_t value, cons
return t; return t;
} }
// user
if (a >= 0177600 && a < 0177620) { if (a >= 0177600 && a < 0177620) {
uint16_t t = pages[003][((a & 017) >> 1)].pdr = value; uint16_t t = pages[003][((a & 017) >> 1)].pdr = value;
D(fprintf(stderr, "write userspace I PDR for %d: %o\n", (a & 017) >> 1, t);) D(fprintf(stderr, "write userspace I PDR for %d: %o\n", (a & 017) >> 1, t);)
@ -585,6 +590,8 @@ uint16_t bus::write(const uint16_t a, const bool word_mode, uint16_t value, cons
c->schedule_trap(04); // invalid address c->schedule_trap(04); // invalid address
} }
D(fprintf(stderr, "BUS write to %o (pages: %o, run mode %d, apf %d)\n", m_offset, pages[run_mode][apf].par, run_mode, apf);)
if (word_mode) if (word_mode)
m->writeByte(m_offset, value); m->writeByte(m_offset, value);
else else