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Submappers 268.8 and 268.9

This commit is contained in:
Alexey 'Cluster' Avdyukhin 2022-12-16 20:10:21 +04:00
parent 9ae27c7ded
commit f53c2470fc
1 changed files with 23 additions and 0 deletions
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23
src/boards/coolboy.cpp
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@ -99,6 +99,7 @@ static uint16 regs_base = 0;
static uint8 flag23 = 0;
static uint8 flag45 = 0;
static uint8 flag67 = 0;
static uint8 flag89 = 0;
// Macronix 256-mbit memory CFI data
const uint8 cfi_data[] =
@ -122,6 +123,25 @@ const uint8 cfi_data[] =
};
static void AA6023CW(uint32 A, uint8 V) {
if (flag89) {
/*
$xxx0
7 bit 0
---- ----
AB.C DEEE
|| | ||||
|| | |+++-- PRG offset (PRG A19, A18, A17)
|| | +----- Alternate CHR A17
|| +------- 1=Write-protect CHR-RAM
|+--------- PRG mask (PRG A17 from 0: MMC3; 1: offset)
+---------- CHR mask (CHR A17 from 0: MMC3; 1: alternate)
*/
if (EXPREGS[0] & 0b00010000)
SetupCartCHRMapping(0, VROM, CHRsize[0], 0); // write-protect CHR-RAM
else
SetupCartCHRMapping(0, VROM, CHRsize[0], 1); // allow CHR writes
}
uint32 mask = 0xFF ^ (EXPREGS[0] & 0b10000000);
if (EXPREGS[3] & 0b00010000) {
if (EXPREGS[3] & 0b01000000) { // Weird mode
@ -401,12 +421,14 @@ void CommonInit(CartInfo* info, int submapper)
case 0:
case 4:
case 6:
case 8:
regs_base = 0x6000;
break;
case 1:
case 3:
case 5:
case 7:
case 9:
regs_base = 0x5000;
break;
default:
@ -415,6 +437,7 @@ void CommonInit(CartInfo* info, int submapper)
flag23 = (submapper == 2) || (submapper == 3);
flag45 = (submapper == 4) || (submapper == 5);
flag67 = (submapper == 6) || (submapper == 7);
flag89 = (submapper == 8) || (submapper == 9);
info->Power = AA6023Power;
info->Reset = AA6023Reset;
info->Close = AA6023Close;