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sms, improve ROM bank mapping, add some SRAM support

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This commit is contained in:
kub 2021-10-03 23:59:09 +02:00
parent 15caa286fc
commit b784d4a5f7
4 changed files with 69 additions and 11 deletions
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3
cpu/cz80/cz80.h
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@ -59,7 +59,8 @@ extern "C" {
/* Z80 core Structures & definitions */
/*************************************/
#define CZ80_FETCH_BITS 4 // [4-12] default = 8
// NB this must have at least the value of (16-Z80_MEM_SHIFT)
#define CZ80_FETCH_BITS 6 // [4-12] default = 8
#define CZ80_FETCH_SFT (16 - CZ80_FETCH_BITS)
#define CZ80_FETCH_BANK (1 << CZ80_FETCH_BITS)