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Implemented LPT control register.

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This commit is contained in:
TomW 2015-07-12 14:09:26 +01:00
commit 13ca7eadd4
1 changed files with 8 additions and 0 deletions
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8
src/lpt.c
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@ -4,6 +4,8 @@
#include "lpt.h" #include "lpt.h"
static uint8_t lpt1_dat, lpt2_dat; static uint8_t lpt1_dat, lpt2_dat;
static uint8_t lpt1_ctrl, lpt2_ctrl;
void lpt1_write(uint16_t port, uint8_t val, void *priv) void lpt1_write(uint16_t port, uint8_t val, void *priv)
{ {
switch (port & 3) switch (port & 3)
@ -14,6 +16,7 @@ void lpt1_write(uint16_t port, uint8_t val, void *priv)
break; break;
case 2: case 2:
writedacctrl(val); writedacctrl(val);
lpt1_ctrl = val;
break; break;
} }
} }
@ -25,6 +28,8 @@ uint8_t lpt1_read(uint16_t port, void *priv)
return lpt1_dat; return lpt1_dat;
case 1: case 1:
return readdacfifo(); return readdacfifo();
case 2:
return lpt1_ctrl;
} }
return 0xff; return 0xff;
} }
@ -39,6 +44,7 @@ void lpt2_write(uint16_t port, uint8_t val, void *priv)
break; break;
case 2: case 2:
writedacctrl(val); writedacctrl(val);
lpt2_ctrl = val;
break; break;
} }
} }
@ -50,6 +56,8 @@ uint8_t lpt2_read(uint16_t port, void *priv)
return lpt2_dat; return lpt2_dat;
case 1: case 1:
return readdacfifo(); return readdacfifo();
case 2:
return lpt2_ctrl;
} }
return 0xff; return 0xff;
} }