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adding tests and fix unions

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This commit is contained in:
Clément Le Bihan
2020-02-10 15:56:29 +01:00
parent dd4b260400
commit 073a2ae422
5 changed files with 217 additions and 79 deletions
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sources/PPU/PPU.cpp
+17 -25
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@@ -26,55 +26,47 @@ namespace ComSquare::PPU
{
switch (addr) {
case 0x00: //! @brief $2100 INIDISP Register (F-blank and Brightness)
//! @brief Take the first bit to set the bool.
this->_fBlank = data >> 7U;
//! @brief Take the 4 last bits representing the brightness.
this->_brightness = data & 0xFU;
this->_inidisp.raw = data;
break;
case 0x01: //! @brief $2101 OBSEL Register (Object Size and Character Address)
//! @brief The first 3 bits.
this->_objectSize = (data & 0xE0U) >> 5U;
//! @brief The last 3 bits;
this->_baseSelect = data & 0x07U;
//! @brief th 2 center bits.
this->_nameSelect = (data & 0x18U) >> 3U;
this->_obsel.raw = data;
break;
case 0x02: //! @brief $2102 OAMADDL (OAM Address low byte).
this->_oamadd.oamaddl = data;
//! @brief we recreate the oamAddress with the previous oamAddress because there is one bit missing (given by the register $2103)
this->_oamAddress = (this->_oamAddress & 0x100U) | data;
break;
case 0x03: //! @brief $2103 OAMADDH (OAM Address high bit and Obj Priority)
this->_oamadd.oamaddh = data;
//! @brief Same as $2102 we recreate the oamAddress with the previous oamAddress because there are 8 bits missing (given by the register $2102)
this->_oamAddress = (this->_oamAddress & 0xFFU) | ((data & 0x01U) << 8U);
//! @brief The objPriority is given by the first bit of the data
this->_objPriority = (data & 0x80U) >> 7U;
break;
case 0x04:
this->oamdata = data;
case 0x04: //! @brief $2104 OAMDATA (Data for OAM write).
//! @brief not implemented yet.
// throw InvalidAddress("PPU Internal Registers write", addr);
this->_oamdata = data;
break;
case 0x05:
this->bgmode.raw = data;
case 0x05: //! @brief $2105 BGMODE (BG Mode and Character Size).
this->_bgmode.raw = data;
break;
case 0x06:
this->mosaic.raw = data;
this->_mosaic.raw = data;
break;
case 0x07:
this->bg1sc.raw = data;
this->_bg1sc.raw = data;
break;
case 0x08:
this->bg2sc.raw = data;
this->_bg2sc.raw = data;
break;
case 0x09:
this->bg3sc.raw = data;
this->_bg3sc.raw = data;
break;
case 0x0A:
this->bg4sc.raw = data;
this->_bg4sc.raw = data;
break;
case 0x0B:
this->bg12nba.raw = data;
this->_bg12nba.raw = data;
break;
case 0x0C:
this->bg34nba.raw = data;
this->_bg34nba.raw = data;
break;
//TODO adding the rest of the registers. oaf !
default: