summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/machine/mc8123.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/machine/mc8123.cpp')
-rw-r--r--src/mame/machine/mc8123.cpp78
1 files changed, 39 insertions, 39 deletions
diff --git a/src/mame/machine/mc8123.cpp b/src/mame/machine/mc8123.cpp
index 8a4ff955299..bb446f89992 100644
--- a/src/mame/machine/mc8123.cpp
+++ b/src/mame/machine/mc8123.cpp
@@ -102,10 +102,10 @@ template <typename T, typename... U> constexpr u8 BITS(T b, U... c) { return (u8
u8 mc8123_device::decrypt_type0(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,7,5,3,1,2,0,6,4);
- if (swap == 1) val = BITSWAP8(val,5,3,7,2,1,0,4,6);
- if (swap == 2) val = BITSWAP8(val,0,3,4,6,7,1,5,2);
- if (swap == 3) val = BITSWAP8(val,0,7,3,2,6,4,1,5);
+ if (swap == 0) val = bitswap<8>(val,7,5,3,1,2,0,6,4);
+ if (swap == 1) val = bitswap<8>(val,5,3,7,2,1,0,4,6);
+ if (swap == 2) val = bitswap<8>(val,0,3,4,6,7,1,5,2);
+ if (swap == 3) val = bitswap<8>(val,0,7,3,2,6,4,1,5);
if (BIT(param,3) && BIT(val,7))
val ^= BITS(5,3,0);
@@ -126,7 +126,7 @@ u8 mc8123_device::decrypt_type0(u8 val, u8 param, unsigned swap)
if (BIT(param,1)) val ^= BITS(7,6);
if (BIT(param,0)) val ^= BITS(5,0);
- if (BIT(param,0)) val = BITSWAP8(val,7,6,5,1,4,3,2,0);
+ if (BIT(param,0)) val = bitswap<8>(val,7,6,5,1,4,3,2,0);
return val;
}
@@ -134,12 +134,12 @@ u8 mc8123_device::decrypt_type0(u8 val, u8 param, unsigned swap)
u8 mc8123_device::decrypt_type1a(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,4,2,6,5,3,7,1,0);
- if (swap == 1) val = BITSWAP8(val,6,0,5,4,3,2,1,7);
- if (swap == 2) val = BITSWAP8(val,2,3,6,1,4,0,7,5);
- if (swap == 3) val = BITSWAP8(val,6,5,1,3,2,7,0,4);
+ if (swap == 0) val = bitswap<8>(val,4,2,6,5,3,7,1,0);
+ if (swap == 1) val = bitswap<8>(val,6,0,5,4,3,2,1,7);
+ if (swap == 2) val = bitswap<8>(val,2,3,6,1,4,0,7,5);
+ if (swap == 3) val = bitswap<8>(val,6,5,1,3,2,7,0,4);
- if (BIT(param,2)) val = BITSWAP8(val,7,6,1,5,3,2,4,0);
+ if (BIT(param,2)) val = bitswap<8>(val,7,6,1,5,3,2,4,0);
if (BIT(val,1)) val ^= BITS(0);
if (BIT(val,6)) val ^= BITS(3);
@@ -155,17 +155,17 @@ u8 mc8123_device::decrypt_type1a(u8 val, u8 param, unsigned swap)
if (BIT(param,3)) val ^= BITS(7,2);
if (BIT(param,1)) val ^= BITS(6,3);
- if (BIT(param,0)) val = BITSWAP8(val,7,6,1,4,3,2,5,0);
+ if (BIT(param,0)) val = bitswap<8>(val,7,6,1,4,3,2,5,0);
return val;
}
u8 mc8123_device::decrypt_type1b(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,1,0,3,2,5,6,4,7);
- if (swap == 1) val = BITSWAP8(val,2,0,5,1,7,4,6,3);
- if (swap == 2) val = BITSWAP8(val,6,4,7,2,0,5,1,3);
- if (swap == 3) val = BITSWAP8(val,7,1,3,6,0,2,5,4);
+ if (swap == 0) val = bitswap<8>(val,1,0,3,2,5,6,4,7);
+ if (swap == 1) val = bitswap<8>(val,2,0,5,1,7,4,6,3);
+ if (swap == 2) val = bitswap<8>(val,6,4,7,2,0,5,1,3);
+ if (swap == 3) val = bitswap<8>(val,7,1,3,6,0,2,5,4);
if (BIT(val,2) && BIT(val,0))
val ^= BITS(7,4);
@@ -190,13 +190,13 @@ u8 mc8123_device::decrypt_type1b(u8 val, u8 param, unsigned swap)
u8 mc8123_device::decrypt_type2a(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,0,1,4,3,5,6,2,7);
- if (swap == 1) val = BITSWAP8(val,6,3,0,5,7,4,1,2);
- if (swap == 2) val = BITSWAP8(val,1,6,4,5,0,3,7,2);
- if (swap == 3) val = BITSWAP8(val,4,6,7,5,2,3,1,0);
+ if (swap == 0) val = bitswap<8>(val,0,1,4,3,5,6,2,7);
+ if (swap == 1) val = bitswap<8>(val,6,3,0,5,7,4,1,2);
+ if (swap == 2) val = bitswap<8>(val,1,6,4,5,0,3,7,2);
+ if (swap == 3) val = bitswap<8>(val,4,6,7,5,2,3,1,0);
if (BIT(val,3) || (BIT(param,1) && BIT(val,2)))
- val = BITSWAP8(val,6,0,7,4,3,2,1,5);
+ val = bitswap<8>(val,6,0,7,4,3,2,1,5);
if (BIT(val,5)) val ^= BITS(7);
if (BIT(val,6)) val ^= BITS(5);
@@ -211,13 +211,13 @@ u8 mc8123_device::decrypt_type2a(u8 val, u8 param, unsigned swap)
if (BIT(param,3))
{
if (BIT(param,0))
- val = BITSWAP8(val,7,6,5,3,4,1,2,0);
+ val = bitswap<8>(val,7,6,5,3,4,1,2,0);
else
- val = BITSWAP8(val,7,6,5,1,2,4,3,0);
+ val = bitswap<8>(val,7,6,5,1,2,4,3,0);
}
else if (BIT(param,0))
{
- val = BITSWAP8(val,7,6,5,2,1,3,4,0);
+ val = bitswap<8>(val,7,6,5,2,1,3,4,0);
}
return val;
@@ -228,10 +228,10 @@ u8 mc8123_device::decrypt_type2b(u8 val, u8 param, unsigned swap)
// only 0x20 possible encryptions for this method - all others have 0x40
// this happens because BIT(param,2) cancels the other three
- if (swap == 0) val = BITSWAP8(val,1,3,4,6,5,7,0,2);
- if (swap == 1) val = BITSWAP8(val,0,1,5,4,7,3,2,6);
- if (swap == 2) val = BITSWAP8(val,3,5,4,1,6,2,0,7);
- if (swap == 3) val = BITSWAP8(val,5,2,3,0,4,7,6,1);
+ if (swap == 0) val = bitswap<8>(val,1,3,4,6,5,7,0,2);
+ if (swap == 1) val = bitswap<8>(val,0,1,5,4,7,3,2,6);
+ if (swap == 2) val = bitswap<8>(val,3,5,4,1,6,2,0,7);
+ if (swap == 3) val = bitswap<8>(val,5,2,3,0,4,7,6,1);
if (BIT(val,7) && BIT(val,3))
val ^= BITS(6,4,0);
@@ -263,22 +263,22 @@ u8 mc8123_device::decrypt_type2b(u8 val, u8 param, unsigned swap)
u8 mc8123_device::decrypt_type3a(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,5,3,1,7,0,2,6,4);
- if (swap == 1) val = BITSWAP8(val,3,1,2,5,4,7,0,6);
- if (swap == 2) val = BITSWAP8(val,5,6,1,2,7,0,4,3);
- if (swap == 3) val = BITSWAP8(val,5,6,7,0,4,2,1,3);
+ if (swap == 0) val = bitswap<8>(val,5,3,1,7,0,2,6,4);
+ if (swap == 1) val = bitswap<8>(val,3,1,2,5,4,7,0,6);
+ if (swap == 2) val = bitswap<8>(val,5,6,1,2,7,0,4,3);
+ if (swap == 3) val = bitswap<8>(val,5,6,7,0,4,2,1,3);
if (BIT(val,2)) val ^= BITS(7,5,4);
if (BIT(val,3)) val ^= BITS(0);
- if (BIT(param,0)) val = BITSWAP8(val,7,2,5,4,3,1,0,6);
+ if (BIT(param,0)) val = bitswap<8>(val,7,2,5,4,3,1,0,6);
if (BIT(val,1)) val ^= BITS(6,0);
if (BIT(val,3)) val ^= BITS(4,2,1);
if (BIT(param,3)) val ^= BITS(4,3);
- if (BIT(val,3)) val = BITSWAP8(val,5,6,7,4,3,2,1,0);
+ if (BIT(val,3)) val = bitswap<8>(val,5,6,7,4,3,2,1,0);
if (BIT(val,5)) val ^= BITS(2,1);
@@ -293,14 +293,14 @@ u8 mc8123_device::decrypt_type3a(u8 val, u8 param, unsigned swap)
u8 mc8123_device::decrypt_type3b(u8 val, u8 param, unsigned swap)
{
- if (swap == 0) val = BITSWAP8(val,3,7,5,4,0,6,2,1);
- if (swap == 1) val = BITSWAP8(val,7,5,4,6,1,2,0,3);
- if (swap == 2) val = BITSWAP8(val,7,4,3,0,5,1,6,2);
- if (swap == 3) val = BITSWAP8(val,2,6,4,1,3,7,0,5);
+ if (swap == 0) val = bitswap<8>(val,3,7,5,4,0,6,2,1);
+ if (swap == 1) val = bitswap<8>(val,7,5,4,6,1,2,0,3);
+ if (swap == 2) val = bitswap<8>(val,7,4,3,0,5,1,6,2);
+ if (swap == 3) val = bitswap<8>(val,2,6,4,1,3,7,0,5);
if (BIT(val,2)) val ^= BITS(7);
- if (BIT(val,7)) val = BITSWAP8(val,7,6,3,4,5,2,1,0);
+ if (BIT(val,7)) val = bitswap<8>(val,7,6,3,4,5,2,1,0);
if (BIT(param,3)) val ^= BITS(7);
@@ -315,7 +315,7 @@ u8 mc8123_device::decrypt_type3b(u8 val, u8 param, unsigned swap)
if (BIT(param,3)) val ^= BITS(7);
if (BIT(param,2)) val ^= BITS(0);
- if (BIT(param,3)) val = BITSWAP8(val,4,6,3,2,5,0,1,7);
+ if (BIT(param,3)) val = bitswap<8>(val,4,6,3,2,5,0,1,7);
if (BIT(val,4)) val ^= BITS(1);
if (BIT(val,5)) val ^= BITS(4);