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Shims in enough to get the Z80 to run perpetually.

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Notably I don't actually currently know how the interrupt registers work, but getting some sort of display running might be the first order of business.
This commit is contained in:
Thomas Harte 2021-06-14 22:28:31 -04:00
parent 1d1e6d1820
commit 606c7709cf
1 changed files with 25 additions and 0 deletions
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25
Machines/Enterprise/Enterprise.cpp
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@ -75,6 +75,15 @@ class ConcreteMachine:
case 0xb1: *cycle.value = pages_[1]; break;
case 0xb2: *cycle.value = pages_[2]; break;
case 0xb3: *cycle.value = pages_[3]; break;
case 0xb4:
printf("TODO: interrupt enable/reset read\n");
*cycle.value = 0xff;
break;
case 0xb5:
printf("TODO: Keyboard/joystick input\n");
*cycle.value = 0xff;
break;
}
break;
@ -97,6 +106,22 @@ class ConcreteMachine:
case 0xb2: page<2>(*cycle.value); break;
case 0xb3: page<3>(*cycle.value); break;
case 0xa0: case 0xa1: case 0xa2: case 0xa3:
case 0xa4: case 0xa5: case 0xa6: case 0xa7:
case 0xa8: case 0xa9: case 0xaa: case 0xab:
case 0xac: case 0xad: case 0xae: case 0xaf:
printf("TODO: audio adjust %04x <- %02x\n", address, *cycle.value);
break;
case 0xb4:
printf("TODO: interrupt enable/reset write %02x\n", *cycle.value);
break;
case 0xb5:
printf("TODO: Keyboard/etc %02x\n", *cycle.value);
break;
case 0xb6:
printf("TODO: printer output %02x\n", *cycle.value);
break;
case 0xbf:
printf("TODO: Dave sysconfig %02x\n", *cycle.value);
break;