T.I.M.               TI-IMAGE-MAKER is an internal console expansion board designed to be installed in your TI99/4A with a few simple tools. TINY-TIM (as some have nick-named it) upgrades your current TMS9918 video display processor to the latest state-of-the-art & fully compatible V9958 processor. This processor is also compatible with the V9938 used in other existing upgrades for your TI99 console. OPA used state-of-the-art CAD/CAE designing & top design engineers to bring you the best video upgrade for the TI in the smallest most compatible package possible. The PCBoard containing the V9958, 192K of VRAM,

S. O. B.                   This internal plug-in 2″*2″ PCBoard with a 16K EPROM and two ASICs, allows you to replace GROMs 0 & 1 in your TI console with OPA’s own fully licensed operating system featuring among other things: > 100% compatible with 99/4A operating system, and expanded on from the original licensed source files from TEXAS INSTRUMENTS themselves. > Updated to be compatible with all existing and future V9938/58 devices including of course our own O.P.A.’s TIM (TI-IMAGE-MAKER). > TRUE LOWER-CASE character set added to all your existing modules and programs.

R.A.M.B.O. Horizon upgrade kit RAMBO is a software & hardware package specially designed for HORIZON ramdisks in your TI99/4A expansion box. The standard Horizon is designed mainly to be a ramdisk, with >4000 based RAM (TI99 DSR space), a 6K DSR for ROS_8, & 2K RAM pages to allow easy reading & writing of sectors. This is fine for ramdisk operations, but using the Horizon memory for other applications was found by many software developers including OPA to be too difficult. But now, OPA in co-operation with BUD MILLS SERVICES has broken this barrier in the Horizon world by designing