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Uploaded_9_1_2023

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MicroCoreLabs 2023-09-01 18:07:34 -07:00
parent da74153d98
commit 420b01c182
2 changed files with 8 additions and 2 deletions
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5
MCLZ8/Code/Standard_Z80/MCLZ8.ino
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@ -22,6 +22,8 @@
// Updated to only use M1 cycles for opcode fetches and not for subsequent bytes.
// Also fixed M1 signal which never was asserted low.
//
// Revision 2 1/28/2023
// Updated decode_table_0xCB to fetch_byte rather than fetch_opcode so R does not increase
//
//------------------------------------------------------------------------
//
@ -2198,7 +2200,8 @@ void decode_table_0xCB() {
if ( (prefix_dd==1) || (prefix_fd==1) ) {
cb_prefix_offset = Fetch_opcode();
//cb_prefix_offset = Fetch_opcode();
cb_prefix_offset = Fetch_byte();
opcode_byte = Fetch_opcode();
CB_opcode = opcode_byte;
}

5
MCLZ8/Code/TRS80_Emulator/MCLZ8.ino
View File

@ -18,6 +18,8 @@
// Revision 1 5/25/2022
// Initial revision
//
// Revision 2 9/1/2023
// Updated decode_table_0xCB to fetch_byte rather than fetch_opcode so R does not increase
//
//------------------------------------------------------------------------
//
@ -1999,7 +2001,8 @@ void decode_table_0xCB() {
if ( (prefix_dd==1) || (prefix_fd==1) ) {
cb_prefix_offset = Fetch_opcode();
//cb_prefix_offset = Fetch_opcode();
cb_prefix_offset = Fetch_byte();
opcode_byte = Fetch_opcode();
CB_opcode = opcode_byte;
}