admin/ci-libretro-fceumm
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Mapper 439: Add solder pad.

Browse Source
This commit is contained in:
NewRisingSun
2026-03-10 19:44:12 +01:00
parent 1d9c0d739a
commit d180d7c7ad
1 changed files with 10 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/boards/439.c
View File

@@ -26,6 +26,7 @@
#include "latch.h" #include "latch.h"
static uint8 reg[2]; static uint8 reg[2];
static uint8 pad;
static void Sync(void) static void Sync(void)
{ {
@@ -35,6 +36,11 @@ static void Sync(void)
setmirror(((latch.data >> 7) & 1) ^ 1); setmirror(((latch.data >> 7) & 1) ^ 1);
} }
static DECLFR(M439ReadPad)
{
return pad;
}
static DECLFW(M439WriteReg) static DECLFW(M439WriteReg)
{ {
reg[A & 1] = V; reg[A & 1] = V;
@@ -52,14 +58,17 @@ static DECLFW(M439WriteLatch)
static void M439Reset(void) static void M439Reset(void)
{ {
pad++;
reg[0] = reg[1] = ~0; reg[0] = reg[1] = ~0;
LatchHardReset(); LatchHardReset();
} }
static void M439Power(void) static void M439Power(void)
{ {
pad = 0;
reg[0] = reg[1] = ~0; reg[0] = reg[1] = ~0;
LatchPower(); LatchPower();
SetReadHandler(0x6000, 0x7FFF, M439ReadPad);
SetWriteHandler(0x6000, 0x7FFF, M439WriteReg); SetWriteHandler(0x6000, 0x7FFF, M439WriteReg);
SetWriteHandler(0x8000, 0xFFFF, M439WriteLatch); SetWriteHandler(0x8000, 0xFFFF, M439WriteLatch);
} }
@@ -70,4 +79,5 @@ void Mapper439_Init(CartInfo *info)
info->Power = M439Power; info->Power = M439Power;
info->Reset = M439Reset; info->Reset = M439Reset;
AddExState(reg, 2, 0, "REGS"); AddExState(reg, 2, 0, "REGS");
AddExState(&pad, 1, 0, "DIPS");
} }