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apple2e: Mirror RamWorks III bank switch address according to the patent. [R. Belmont]

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This commit is contained in:
arbee 2020-05-22 22:19:42 -04:00
parent d1b062d035
commit caa034ae07
1 changed files with 3 additions and 2 deletions
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5
src/devices/bus/a2bus/a2eramworks3.cpp
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@ -6,6 +6,7 @@
Applied Engineering RamWorks III Applied Engineering RamWorks III
The AE RamWorks patent is US 4601018.
*********************************************************************/ *********************************************************************/
@ -89,8 +90,8 @@ uint8_t *a2eaux_ramworks3_device::get_auxbank_ptr()
*/ */
void a2eaux_ramworks3_device::write_c07x(uint8_t offset, uint8_t data) void a2eaux_ramworks3_device::write_c07x(uint8_t offset, uint8_t data)
{ {
// write to C073? // write to C071/3/5/7?
if (offset == 3) if ((offset & 0x9) == 1)
{ {
m_bank = 0x10000 * (data & 0x7f); m_bank = 0x10000 * (data & 0x7f);
} }