PCEM V.17: Math Co-Processor Feature
▒░█▀▓▒█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▒░█▀▓▒ [Synopsis] This video is about the math co-processor feature in PCEM V.17, previous versions of PCEM does not have this feature. The math co-processor feature is important if you want to emulate the Intel 8088, 8086, 80286, 80386 SX/DX, and 486 SX processors. 486 DX processors came with math co-processors built into the CPU. 386 DX processors did not come with a math co-processor, so you had to buy one. The math co-processor for the 386 DX was called the 387 DX, and the one in this video is called the 387 SX math co-processor. Having a math co-processor allowed the cpu to perform FPU(Float Point Unit) computations. Float point means numbers with decimal points. Integer numbers are numbers without decimal points. The computer can only read binary numbers 1s and 0s, so when you turn decimal numbers to binary. Turning float point numbers to binary is more difficult than converting integer numbers to binary. Having a math co-processor can speed up float point calculations. This is useful for programs that require precise calculations, like spreadsheets, CAD(Computer Aided Drawing), flight simulators, and graphics related stuff. I did have a 386 SX-16 MHZ based computer, but I didn't have a math co-processor. I did open up my computer, and I saw a slot for a math co-processor. I never got the 387 SX math co-processor in the early 1990s. I don't remember how much it cost back in 1989 to 1992, but I couldn't afford it back then. You could find the price of one if you can find a old PC magazine. In modern terms, a math co-processor would be something like GPU(Graphics Processing Unit). The GPU takes some of the computational load off the CPU, and this is why 3d accelerators came to be in the mid to late 1990s. As a result of using a 3d accelerator or GPU, you had generate 3d images more quickly and smoothly. We do have math co-processors today, but we call them GPUs now. ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ [Links] ◙ PCEM Video directory on my website • https://he-1000-1975.com/video-directory/#PCEM ◙ PCEM Tutorial webpage on my website • https://he-1000-1975.com/pcem-emulator-tutorial/ ♠ PCEM Official website • https://pcem-emulator.co.uk/ ◙ 86Box emulator video directory on my website • https://he-1000-1975.com/video-directory #8Box ░█▄▓▒█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█░█▄▓▒
▒░█▀▓▒█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▀█▒░█▀▓▒ [Synopsis] This video is about the math co-processor feature in PCEM V.17, previous versions of PCEM does not have this feature. The math co-processor feature is important if you want to emulate the Intel 8088, 8086, 80286, 80386 SX/DX, and 486 SX processors. 486 DX processors came with math co-processors built into the CPU. 386 DX processors did not come with a math co-processor, so you had to buy one. The math co-processor for the 386 DX was called the 387 DX, and the one in this video is called the 387 SX math co-processor. Having a math co-processor allowed the cpu to perform FPU(Float Point Unit) computations. Float point means numbers with decimal points. Integer numbers are numbers without decimal points. The computer can only read binary numbers 1s and 0s, so when you turn decimal numbers to binary. Turning float point numbers to binary is more difficult than converting integer numbers to binary. Having a math co-processor can speed up float point calculations. This is useful for programs that require precise calculations, like spreadsheets, CAD(Computer Aided Drawing), flight simulators, and graphics related stuff. I did have a 386 SX-16 MHZ based computer, but I didn't have a math co-processor. I did open up my computer, and I saw a slot for a math co-processor. I never got the 387 SX math co-processor in the early 1990s. I don't remember how much it cost back in 1989 to 1992, but I couldn't afford it back then. You could find the price of one if you can find a old PC magazine. In modern terms, a math co-processor would be something like GPU(Graphics Processing Unit). The GPU takes some of the computational load off the CPU, and this is why 3d accelerators came to be in the mid to late 1990s. As a result of using a 3d accelerator or GPU, you had generate 3d images more quickly and smoothly. We do have math co-processors today, but we call them GPUs now. ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ [Links] ◙ PCEM Video directory on my website • https://he-1000-1975.com/video-directory/#PCEM ◙ PCEM Tutorial webpage on my website • https://he-1000-1975.com/pcem-emulator-tutorial/ ♠ PCEM Official website • https://pcem-emulator.co.uk/ ◙ 86Box emulator video directory on my website • https://he-1000-1975.com/video-directory #8Box ░█▄▓▒█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█▄█░█▄▓▒