burgermsdos.h File Reference

Burgerlib functions for MSDOS. More...

Classes
struct	Burger::MSDos::Regs16_t
	Structure to contain all the registers for calling 80x86 assembly. More...

Namespaces
namespace	Burger
namespace	Burger::MSDos
	Functions specific to MS/DOS.

Functions
BURGER_INLINE uint8_t *	Burger::MSDos::zero_base (void) BURGER_NOEXCEPT
	Obtain the base pointer to the real memory.
uint32_t BURGER_API	Burger::MSDos::set_video_mode_int10h (uint32_t uMode) BURGER_NOEXCEPT
	Call interrupt 10H with AL set to the passed value.
uint32_t BURGER_API	Burger::MSDos::init_serial_port_int14h (uint32_t uPortFlags, uint32_t uPortNumber) BURGER_NOEXCEPT
	Call interrupt 14H with AL and DX set to the passed values.
uint32_t BURGER_API	Burger::MSDos::printer_port_int17h (uint32_t uPrinterCommand, uint32_t uPrinterNumber=0) BURGER_NOEXCEPT
	Call interrupt 17H with AL/AH and DL/DH set to the passed values.
int32_t BURGER_API	Burger::MSDos::real_mode_interrupt (uint32_t uInterrupt, const Regs16_t *pInput, Regs16_t *pOutput) BURGER_NOEXCEPT
	Call a MSDOS software interrupt.
int BURGER_API	Burger::MSDos::x32_call_real_proc (uint32_t pAddress, const Regs16_t *pInput, Regs16_t *pOutput) BURGER_NOEXCEPT
	Call a real mode function (16 bit)
void *BURGER_API	Burger::MSDos::real_to_protected (uint32_t pReal) BURGER_NOEXCEPT
	Convert a real mode address to a flat address.
uint32_t BURGER_API	Burger::MSDos::alloc_real (uint32_t uSize) BURGER_NOEXCEPT
	Allocate a chunk of real mode memory.
void BURGER_API	Burger::MSDos::free_real (uint32_t pReal) BURGER_NOEXCEPT
	Release real mode memory back to DOS.
uint32_t BURGER_API	Burger::MSDos::get_temp_real_buffer (void) BURGER_NOEXCEPT
	Return pointer to shared real buffer.
void *BURGER_API	Burger::MSDos::get_temp_protected_buffer (void) BURGER_NOEXCEPT
	Get the pointer to the shared protected memory buffer.
void far *BURGER_API	Burger::MSDos::get_interrupt_protected (uint32_t uInterrupt) BURGER_NOEXCEPT
	Call the dos extender to get the current protected mode IRQ vector.
void BURGER_API	Burger::MSDos::set_interrupt_protected (uint32_t uInterrupt, void far *pCode) BURGER_NOEXCEPT
	Intercept the protected IRQ vector.
uint32_t BURGER_API	Burger::MSDos::get_interrupt_real (uint32_t uInterrupt) BURGER_NOEXCEPT
	Call the dos extender to get the current real mode IRQ vector.
void BURGER_API	Burger::MSDos::set_interrupt_real (uint32_t uInterrupt, uint32_t pCode) BURGER_NOEXCEPT
	Intercept the real mode IRQ vector.
void BURGER_API	Burger::MSDos::set_interrupt_both (uint32_t uInterrupt, void far *pCode) BURGER_NOEXCEPT
	Intercept both the real the protected IRQ vectors.
void *BURGER_API	Burger::MSDos::map_physical_address (void *pInput, uint32_t uLength) BURGER_NOEXCEPT
	Map memory from a device into protected mode.

Variables
void *	_x32_zero_base_ptr
	Pointer to the MSDOS real memory.
uint16_t	_x32_zero_base_selector
	Segment to the MSDOS real memory.

Detailed Description

Burgerlib functions for MSDOS.

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This file is included on MSDOS platforms. It is not included for Windows.

See also

burgerwindows.h

Variable Documentation

_x32_zero_base_ptr

void* _x32_zero_base_ptr

Pointer to the MSDOS real memory.

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On the X32 dos extender, real memory is mapped to an address at runtime. This will retrieve that address.

Note

On DOS4GW, this is included in Burgerlib with a value of zero so code meant for X32 will work without changes on DOS4GW.

This is only available on MS/DOS

See also

_x32_zero_base_selector

_x32_zero_base_selector

uint16_t _x32_zero_base_selector

Segment to the MSDOS real memory.

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On the X32 dos extender, real memory is mapped to this segment at runtime. This will retrieve that segment value.

Note

On DOS4GW, this is included in Burgerlib with the _DATA segment so code meant for X32 will work without changes on DOS4GW.

This is only available on MS/DOS

See also

_x32_zero_base_ptr